Estimated zip code population in 2022: 7,789 Zip code population in 2010: 5,164 Zip code population in 2000: 5,460
Houses and condos: 2,437 Renter-occupied apartments: 31
% of renters here:
1%
State:
32%
March 2022 cost of living index in zip code 21770: 158.0 (very high, U.S. average is 100)
Land area: 11.0 sq. mi. Water area: 0.0 sq. mi.
Population density: 708 people per square mile
(low).
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Real estate property taxes paid for housing units in 2022:
This zip code:
0.8% ($4,815)
Maryland:
0.9% ($3,777)
Median real estate property taxes paid for housing units with mortgages in 2022: $4,791 (0.8%) Median real estate property taxes paid for housing units with no mortgage in 2022: $4,938 (1.0%)
Estimated median house/condo value in 2022: $596,365
21770:
$596,365
Maryland:
$398,100
According to our research of Maryland and other state lists, there were 4 registered sex offenders living in 21770 zip code as of May 19, 2024. The ratio of all residents to sex offenders in zip code 21770 is 1,315 to 1. The ratio of registered sex offenders to all residents in this zip code is lower than the state average.
Median resident age:
This zip code:
42.0 years
Maryland median age:
39.7 years
Average household size:
This zip code:
3.2 people
Maryland:
2.5 people
Averages for the 2020 tax year for zip code 21770, filed in 2021:
Average Adjusted Gross Income (AGI) in 2020: $112,084 (Individual Income Tax Returns)
Here:
$112,084
State:
$86,905
Salary/wage: $104,271 (reported on 84.4% of returns)
Here:
$104,271
State:
$73,953
(% of AGI for various income ranges: 1168.7% for AGIs below $25k, 3597.8% for AGIs $25k-50k, 6433.7% for AGIs $50k-75k, 9140.0% for AGIs $75k-100k, 20696.4% for AGIs $100k-200k, 62681.0% for AGIs over 200k)
Taxable interest for individuals: $935 (reported on 50.0% of returns)
This zip code:
$935
Maryland:
$1,528
(% of AGI for various income ranges: 18.9% for AGIs below $25k, 25.3% for AGIs $25k-50k, 49.3% for AGIs $50k-75k, 60.4% for AGIs $75k-100k, 77.0% for AGIs $100k-200k, 371.4% for AGIs over 200k)
Ordinary dividends: $3,770 (reported on 29.6% of returns)
Here:
$3,770
State:
$8,028
(% of AGI for various income ranges: 31.3% for AGIs below $25k, 53.6% for AGIs $25k-50k, 67.0% for AGIs $50k-75k, 124.1% for AGIs $75k-100k, 196.0% for AGIs $100k-200k, 983.8% for AGIs over 200k)
Net capital gain/loss in AGI: +$9,930 (reported on 28.1% of returns)
Here:
+$9,930
State:
+$25,238
(% of AGI for various income ranges: 18.3% for AGIs below $25k, 16.4% for AGIs $25k-50k, 110.3% for AGIs $50k-75k, 235.2% for AGIs $75k-100k, 289.3% for AGIs $100k-200k, 3666.7% for AGIs over 200k)
Profit/loss from business: +$14,656 (reported on 17.3% of returns)
Here:
+$14,656
State:
+$11,398
(% of AGI for various income ranges: 136.2% for AGIs below $25k, 246.9% for AGIs $25k-50k, 165.7% for AGIs $50k-75k, 346.3% for AGIs $75k-100k, 316.2% for AGIs $100k-200k, 2236.7% for AGIs over 200k)
Taxable individual retirement arrangement distribution: $19,203 (reported on 9.4% of returns)
21770:
$19,203
Maryland:
$20,944
(% of AGI for various income ranges: 44.9% for AGIs below $25k, 151.4% for AGIs $25k-50k, 238.0% for AGIs $50k-75k, 278.9% for AGIs $75k-100k, 458.5% for AGIs $100k-200k, 731.0% for AGIs over 200k)
Self-employed (Keogh) retirement plans: $16,600 (reported on 0.8% of returns)
21770:
$16,600
Maryland:
$29,558
(% of AGI for various income ranges: 68.2% for AGIs $100k-200k)
Total itemized deductions: $29,444 (reported on 33.4% of returns)
Here:
$29,444
State:
$30,672
(% of AGI for various income ranges: 159.4% for AGIs below $25k, 366.1% for AGIs $25k-50k, 917.0% for AGIs $50k-75k, 1538.5% for AGIs $75k-100k, 2355.5% for AGIs $100k-200k, 5906.7% for AGIs over 200k)
Charity contributions: $5,652 (reported on 25.5% of returns)
Here:
$5,652
State:
$9,065
(% of AGI for various income ranges: 42.2% for AGIs $25k-50k, 95.0% for AGIs $50k-75k, 141.5% for AGIs $75k-100k, 343.7% for AGIs $100k-200k, 1106.7% for AGIs over 200k)
Taxes paid: $9,164 (reported on 33.4% of returns)
21770:
$9,164
State:
$8,475
(% of AGI for various income ranges: 30.2% for AGIs below $25k, 89.7% for AGIs $25k-50k, 292.7% for AGIs $50k-75k, 525.2% for AGIs $75k-100k, 784.7% for AGIs $100k-200k, 1674.3% for AGIs over 200k)
Earned income credit: $1,805 (reported on 4.8% of returns)
Here:
$1,805
State:
$2,151
(% of AGI for various income ranges: 40.2% for AGIs below $25k, 42.8% for AGIs $25k-50k)
Percentage of individuals using paid preparers for their 2020 taxes: 90.8%
Here:
91%
State:
90%
(% for various income ranges: 86.7% for AGIs below $25k, 89.8% for AGIs $25k-50k, 88.6% for AGIs $50k-75k, 89.7% for AGIs $75k-100k, 93.8% for AGIs $100k-200k, 93.0% for AGIs over 200k)
Averages for the 2012 tax year for zip code 21770, filed in 2013:
Average Adjusted Gross Income (AGI) in 2012: $79,965 (Individual Income Tax Returns)
Here:
$79,965
State:
$72,703
Salary/wage: $73,129 (reported on 84.6% of returns)
Here:
$73,129
State:
$62,228
(% of AGI for various income ranges: 71.3% for AGIs below $25k, 74.0% for AGIs $25k-50k, 68.2% for AGIs $50k-75k, 76.8% for AGIs $75k-100k, 80.2% for AGIs $100k-200k, 77.8% for AGIs over 200k)
Taxable interest for individuals: $837 (reported on 53.7% of returns)
This zip code:
$837
Maryland:
$1,413
(% of AGI for various income ranges: 1.2% for AGIs below $25k, 0.5% for AGIs $25k-50k, 0.7% for AGIs $50k-75k, 0.8% for AGIs $75k-100k, 0.5% for AGIs $100k-200k, 0.3% for AGIs over 200k)
Ordinary dividends: $2,790 (reported on 30.9% of returns)
Here:
$2,790
State:
$6,933
(% of AGI for various income ranges: 1.4% for AGIs below $25k, 1.0% for AGIs $25k-50k, 1.1% for AGIs $50k-75k, 1.0% for AGIs $75k-100k, 1.0% for AGIs $100k-200k, 1.4% for AGIs over 200k)
Net capital gain/loss in AGI: +$3,333 (reported on 22.4% of returns)
Here:
+$3,333
State:
+$14,830
(% of AGI for various income ranges: 0.5% for AGIs $75k-100k, 0.7% for AGIs $100k-200k, 2.8% for AGIs over 200k)
Profit/loss from business: +$14,760 (reported on 16.2% of returns)
Here:
+$14,760
State:
+$12,606
(% of AGI for various income ranges: 8.9% for AGIs below $25k, 5.1% for AGIs $25k-50k, 3.5% for AGIs $50k-75k, 2.4% for AGIs $75k-100k, 2.4% for AGIs $100k-200k, 2.5% for AGIs over 200k)
Taxable individual retirement arrangement distribution: $12,829 (reported on 10.8% of returns)
21770:
$12,829
Maryland:
$17,065
(% of AGI for various income ranges: 3.4% for AGIs below $25k, 2.2% for AGIs $25k-50k, 1.6% for AGIs $50k-75k, 1.8% for AGIs $75k-100k, 1.7% for AGIs $100k-200k, 1.4% for AGIs over 200k)
Self-employment retirement plans: $14,700 (reported on 1.2% of returns)
21770:
$14,700
Maryland:
$24,439
Total itemized deductions: $26,709 (23% of AGI, reported on 58.7% of returns)
Here:
$26,709
State:
$27,886
Here:
22.9% of AGI
State:
22.8% of AGI
(% of AGI for various income ranges: 17.6% for AGIs below $25k, 16.2% for AGIs $25k-50k, 20.9% for AGIs $50k-75k, 23.2% for AGIs $75k-100k, 20.8% for AGIs $100k-200k, 15.5% for AGIs over 200k)
Charity contributions: $3,137 (reported on 49.0% of returns)
Here:
$3,137
State:
$4,452
(% of AGI for various income ranges: 1.0% for AGIs below $25k, 1.3% for AGIs $25k-50k, 1.7% for AGIs $50k-75k, 2.2% for AGIs $75k-100k, 2.2% for AGIs $100k-200k, 1.7% for AGIs over 200k)
Taxes paid: $11,691 (reported on 58.7% of returns)
21770:
$11,691
State:
$11,690
(% of AGI for various income ranges: 3.8% for AGIs below $25k, 4.7% for AGIs $25k-50k, 7.7% for AGIs $50k-75k, 9.2% for AGIs $75k-100k, 9.5% for AGIs $100k-200k, 8.9% for AGIs over 200k)
Earned income credit: $1,806 (reported on 6.2% of returns)
Here:
$1,806
State:
$2,199
(% of AGI for various income ranges: 2.8% for AGIs below $25k, 0.4% for AGIs $25k-50k)
Percentage of individuals using paid preparers for their 2012 taxes: 47.5%
Here:
47%
State:
52%
(% for various income ranges: 39.2% for AGIs below $25k, 47.5% for AGIs $25k-50k, 54.8% for AGIs $50k-75k, 54.8% for AGIs $75k-100k, 48.5% for AGIs $100k-200k, 53.3% for AGIs over 200k)
Averages for the 2004 tax year for zip code 21770, filed in 2005:
Average Adjusted Gross Income (AGI) in 2004: $72,704 (Individual Income Tax Returns)
Here:
$72,704
State:
$60,339
Salary/wage: $64,557 (reported on 88.8% of returns)
Here:
$64,557
State:
$52,211
(% of AGI for various income ranges: 117.0% for AGIs below $10k, 71.8% for AGIs $10k-25k, 75.9% for AGIs $25k-50k, 76.2% for AGIs $50k-75k, 84.0% for AGIs $75k-100k, 77.9% for AGIs over 100k)
Taxable interest for individuals: $1,170 (reported on 64.0% of returns)
This zip code:
$1,170
Maryland:
$1,701
(% of AGI for various income ranges: 3.2% for AGIs below $10k, 3.5% for AGIs $10k-25k, 0.9% for AGIs $25k-50k, 1.0% for AGIs $50k-75k, 0.7% for AGIs $75k-100k, 1.0% for AGIs over 100k)
Taxable dividends: $2,414 (reported on 36.5% of returns)
Here:
$2,414
State:
$4,235
(% of AGI for various income ranges: 3.0% for AGIs below $10k, 1.9% for AGIs $10k-25k, 1.1% for AGIs $25k-50k, 0.8% for AGIs $50k-75k, 1.1% for AGIs $75k-100k, 1.3% for AGIs over 100k)
Net capital gain/loss: +$7,541 (reported on 27.2% of returns)
Here:
+$7,541
State:
+$15,888
(% of AGI for various income ranges: 3.0% for AGIs below $10k, -0.6% for AGIs $10k-25k, -0.2% for AGIs $25k-50k, 0.2% for AGIs $50k-75k, 0.2% for AGIs $75k-100k, 4.7% for AGIs over 100k)
Profit/loss from business: +$11,861 (reported on 15.9% of returns)
Here:
+$11,861
State:
+$12,221
(% of AGI for various income ranges: 1.5% for AGIs below $10k, 7.2% for AGIs $10k-25k, 4.9% for AGIs $25k-50k, 3.0% for AGIs $50k-75k, 3.0% for AGIs $75k-100k, 1.9% for AGIs over 100k)
IRA payment deduction: $3,538 (reported on 4.2% of returns)
21770:
$3,538
Maryland:
$2,968
(% of AGI for various income ranges: 0.4% for AGIs $25k-50k, 0.4% for AGIs $50k-75k, 0.3% for AGIs $75k-100k, 0.1% for AGIs over 100k)
Self-employed pension: $6,419 (reported on 1.2% of returns)
Here:
$6,419
Maryland:
$17,155
Total itemized deductions: $22,929 (22% of AGI, reported on 62.5% of returns)
Here:
$22,929
State:
$22,960
Here:
22.1% of AGI
State:
23.3% of AGI
(% of AGI for various income ranges: 9.0% for AGIs below $10k, 22.3% for AGIs $10k-25k, 21.8% for AGIs $25k-50k, 23.8% for AGIs $50k-75k, 23.8% for AGIs $75k-100k, 17.4% for AGIs over 100k)
Charity contributions deductions: $2,826 (3% of AGI, reported on 56.5% of returns)
Here:
$2,826
State:
$4,031
Here:
2.6% of AGI
State:
3.9% of AGI
(% of AGI for various income ranges: 2.1% for AGIs $10k-25k, 2.0% for AGIs $25k-50k, 2.5% for AGIs $50k-75k, 2.8% for AGIs $75k-100k, 2.0% for AGIs over 100k)
Total tax: $10,768 (reported on 84.4% of returns)
21770:
$10,768
State:
$10,167
(% of AGI for various income ranges: 3.5% for AGIs below $10k, 5.0% for AGIs $10k-25k, 7.2% for AGIs $25k-50k, 8.4% for AGIs $50k-75k, 9.0% for AGIs $75k-100k, 15.5% for AGIs over 100k)
Earned income credit: $1,268 (reported on 3.8% of returns)
Here:
$1,268
State:
$1,700
Percentage of individuals using paid preparers for their 2004 taxes: 46.7%
Here:
47%
State:
55%
(% for various income ranges: 34.6% for AGIs below $10k, 45.3% for AGIs $10k-25k, 50.1% for AGIs $25k-50k, 57.5% for AGIs $50k-75k, 49.9% for AGIs $75k-100k, 46.2% for AGIs over 100k)
Household received Food Stamps/SNAP in the past 12 months: 32 Household did not receive Food Stamps/SNAP in the past 12 months: 2,345
Women who had a birth in the past 12 months: 59 (59 now married, 0 unmarried) Women who did not have a birth in the past 12 months: 1,553 (988 now married, 565 unmarried)
Housing units in zip code 21770 with a mortgage: 1,973 (180 second mortgage, 6 home equity loan, 164 both second mortgage and home equity loan) Houses without a mortgage: 26
Median monthly owner costs for units with a mortgage: $2,702 Median monthly owner costs for units without a mortgage: $791
Median number of rooms in houses and condos:
Here:
10.0
State:
7.3
Median number of rooms in apartments:
Here:
3.3
State:
4.2
Notable locations in this zip code not listed on our city pages
Notable locations in zip code 21770: Intercoastal Industrial Center (A), Frederick County Volunteer Fire and Rescue Station 25 New Market - Green Valley (B). Display/hide their locations on the map
In group quarters: 1 (-1 institutionalized population)
Size of family households: 784 2-persons, 317 3-persons, 525 4-persons, 401 5-persons, 29 6-persons, 68 7-or-more-persons
Size of nonfamily households: 161 1-person, 95 2-persons
1,322 married couples with children.
100 single-parent households (8 men, 92 women).
88.9% of residents of 21770 zip code speak English at home.
1.1% of residents speak Spanish at home (89% very well, 11% well).
2.1% of residents speak other Indo-European language at home (62% very well, 28% well, 10% not well).
6.2% of residents speak Asian or Pacific Island language at home (85% very well, 6% well, 9% not well).
1.3% of residents speak other language at home (100% very well).
Foreign born population: 1,083 (13.9%) (71.2% of them are naturalized citizens)
This zip code:
13.9%
Whole state:
16.7%
28%Bhutan
14%St. Vincent and the Grenadines
10%Malaysia
6%Liberia
6%Japan
5%Cabo Verde
4%Algeria
18%English
12%Trinidadian and Tobagonian
9%German
9%Irish
8%American
4%Ghanaian
3%Welsh
Year of entry for the foreign-born population
3412010 or later
2952000 to 2009
1461990 to 1999
317Before 1990
Facilities with environmental interests located in this zip code:
AMERICAN TELEPHONE & TELEGRAPH (11026 FINGERBOARD ROAD in MONROVIA, MD)
AIR MINOR (AIRS/AFS) STATE MASTER (Maryland Permits tracking) - NPDES NON-MAJOR National Pollutant Discharge Elimination System NON-MAJOR (Tracking pollutant discharge elimination systems) - permit Conditionally Exempt Small Quantity Generators, less than 100 kg/month of hazardous waste (Resource Conservation and Recovery Act (tracking hazardous waste)) - notification Business SIC classification: TELEPHONE COMMUNICATIONS, EXCEPT RADIOTELEPHONE Organizations: OPERNAME (CONTACT/OPERATOR)
, AT & T (CONTACT/OWNER)
Alternative names: A T & T - MONROVIA, AT & T, AT&T-MONROVIA, (WWTP)
PROSTART PERFORMANCE (4937C GREEN VALLEY RD in MONROVIA, MD)
AIR MINOR (AIRS/AFS) STATE MASTER (Maryland Air Emissions Database) - AIR MINOR Small Quantity Generators, between 100 kg and 1000 kg of hazardous waste/month (Resource Conservation and Recovery Act (tracking hazardous waste)) - notification Business SIC classification: TOP, BODY, AND UPHOLSTERY REPAIR SHOPS AND PAINT SHOPS Organizations: MT AIRY BLD CO (CONTACT/OWNER)
Alternative names: CLASSIC COACH WORKS INC
CITGO (11791 FINGERBOARD RD. in MONROVIA, MD)
AIR MINOR (AIRS/AFS) STATE MASTER (Maryland Air Emissions Database) - AIR MINOR Business SIC classification: GASOLINE SERVICE STATIONS Alternative names: CITGO - 11791 FINGERBOARD ROAD
MONROVIA WWTP (EAST OF GREEN VALLEY ROAD INTERCOASTAL INDUSTRIAL in MONROVIA, MD)
STATE MASTER (Maryland Permits tracking) - NPDES NON-MAJOR National Pollutant Discharge Elimination System NON-MAJOR (Tracking pollutant discharge elimination systems) - permit Business SIC classification: SEWERAGE SYSTEMS Alternative names: FREDERICK CO. WATER & SEWER, MONROVIA WASTEWATER TREATMENT PLANT
56.4%Electricity
33.3%Utility gas
5.0%Fuel oil, kerosene, etc.
2.4%Bottled, tank, or LP gas
1.7%Wood
0.8%Other fuel
Population in 1990: 5,033. Population change in the 1990s: +427 (+8.5%).
Place of birth for U.S.-born residents:
This state: 3,102
Northeast: 1,087
Midwest: 850
South: 1,251
West: 383
74% of the 21770 zip code residents lived in the same house 5 years ago. Out of people who lived in different houses, 22% lived in this county. Out of people who lived in different counties, 50% lived in Maryland.
97% of the 21770 zip code residents lived in the same house 1 year ago. Out of people who lived in different houses, 15% moved from this county. Out of people who lived in different houses, 77% moved from different county within same state. Out of people who lived in different houses, 34% moved from different state.
Private vs. public school enrollment:
Students in private schools in grades 1 to 8 (elementary and middle school): 44
Here:
6.3%
Maryland:
15.2%
Students in private schools in grades 9 to 12 (high school):
Here:
0.0%
Maryland:
14.4%
Students in private undergraduate colleges: 47
Here:
10.6%
Maryland:
20.2%
Occupation by median earnings in the past 12 months ($)
160,948Health diagnosing and treating practitioners and other technical occupations
131,957Health technologists and technicians
121,227Architecture and engineering occupations
120,795Life, physical, and social science occupations
100,870Management occupations
98,625Business and financial operations occupations
Companies with federal contracts located in this zip code:
EHS SERVICES, INC (4975 TALL OAKS DRIVE in MONROVIA, MD; small business) : $242,658 in 5 contractsfrom 1999 to 2005
Contracts for Maintenance, Repair and Rebuilding of Equipment -- Instruments and Laboratory Equipment, Certifications and Accreditations for products and institutions other than educational institutions, Other Professional Services, Engineering and Technical Services by Navy Signed by year:2000: $50,000; 2001: $37,994; 2002: $0; 2003: $65,939; 2004: $0; 2005: $39,028; 2006: $0.
Biggest contracts:
$65,939 with Navy for Maintenance, Repair and Rebuilding of Equipment -- Instruments and Laboratory Equipment. Signed on 2003-12-04. Completion date: 2004-09-30.
$50,000 with Navy for Certifications and Accreditations for products and institutions other than educational institutions. Signed on 2000-08-24. Completion date: 2000-10-31.
$49,697, same as above.Signed on 1999-12-16. Completion date: 2000-10-01.
$39,028 with Navy for Other Professional Services. Signed on 2005-01-24. Completion date: 2005-09-30.
RICHARD ESPINOSA (12102 HARDROCK CIRCLE in MONROVIA, MD; small business)
$5,200 with Navy for Lectures For Training. Signed on 2004-11-19. Completion date: 2004-11-22.
Top industries in this zip code by the number of employees in 2005:
Health Care and Social Assistance: Child Day Care Services (20-49 employees: 3 establishments, 1-4 employees: 2 establishments)
Administrative and Support and Waste Management and Remediation Services: Landscaping Services (20-49: 1, 5-9: 1, 1-4: 9)
Construction: New Single-Family Housing Construction (except Operative Builders) (20-49: 1, 10-19: 1)
Detailed PMIC statistics for the following Tracts:7520.00
, 7521.00
2002 - 2018 National Fire Incident Reporting System (NFIRS) incidents
According to the data from the years 2002 - 2018 the average number of fires per year is 38. The highest number of reported fires - 85 took place in 2007, and the least - 12 in 2014. The data has a rising trend.
When looking into fire subcategories, the most incidents belonged to: Structure Fires (49.4%), and Outside Fires (29.3%).
Fire incident types reported to NFIRS in Zip Code 21770