Estimated median household income in 2007: $146,319
| This zip code: | $146,319 | | Connecticut: | $65,967 |
Nearest zip codes: 06830, 10573, 10577, 06807, 06878, 10504.
Housing units in zip code 06831 with a mortgage: 2,484 (229 second mortgage, 425 home equity loan, 0 both second mortgage and home equity loan)
Houses without a mortgage: 1,411
Median monthly owner costs for units with a mortgage: $5,010
Median monthly owner costs for units without a mortgage: $6,058
Residents with income below the poverty level in 2007:
| This zip code: | 2.9% | | Whole state: | 7.9% |
Residents with income below 50% of the poverty level in 2007:
| This zip code: | 2.1% | | Whole state: | 3.6% |
Median number of rooms in houses and condos:
| Here: | 8.3 | | State: | 6.4 |
Median number of rooms in apartments:
| Here: | 5.2 | | State: | 4.0 |
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Notable locations in this zip code not listed on our city pages:
Notable locations in zip code 06831: Rosemary Hall (A), Round Hill (B), Round Hill Country Club (C), Stanwich Club (D), Tamarack Country Club (E), Bruce Memorial Golf Club (F), Audubon Center of Greenwich (G). Display/hide their locations on the map
Shopping Center: Stop and Shop Shopping Center (1). Display/hide its location on the map
Churches in zip code 06831 include: Stanwich Church (A), Convent of the Sacred Heart (B), North Greenwich Congregational Church (C). Display/hide their locations on the map
Cemeteries: Howe Cemetery (1), Quaker Ridge Cemetery (2), Green Cemetery (3), Hebrew Cemetery (4), Pecks Cemetery (5), Close Cemetery (6), Brown Cemetery (7). Display/hide their locations on the map
Lakes, reservoirs, and swamps: Closes Pond (A), Toll Gate Pond (B), Converse Lake (C), Wooley Pond (D), Carringtons Pond (E), F W Perry Pond (F), North Lake (G), Byram River Reservoir (H). Display/hide their locations on the map
Parks in zip code 06831 include: Pemberwick Park (1), Western Greenwich Civic Center Park (2), Wild Flower Sanctuary (3), Bruce Park (4). Display/hide their locations on the map
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Year house built: |
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- 1999 to March 2000: 12
- 1995 to 1998: 195
- 1990 to 1994: 357
- 1980 to 1989: 554
- 1970 to 1979: 855
- 1960 to 1969: 1,089
- 1950 to 1959: 1,000
- 1940 to 1949: 460
- 1939 or earlier: 1,334
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Bedrooms in owner-occupied houses in Greenwich, CT (06831): |
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- no bedroom: 0
- 1 bedrooms: 42
- 2 bedrooms: 484
- 3 bedrooms: 1,324
- 4 bedrooms: 1,221
- 5 or more bedrooms: 1,259
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Bedrooms in renter-occupied apartments and housing units: |
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- no bedroom: 12
- 1 bedrooms: 178
- 2 bedrooms: 376
- 3 bedrooms: 411
- 4 bedrooms: 109
- 5 or more bedrooms: 34
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Vehicles available in 06831 zip code in owner-occupied houses/condos: |
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- no vehicle: 101
- 1 vehicle: 742
- 2 vehicles: 2,021
- 3 vehicles: 977
- 4 vehicles: 379
- 5 or more vehicles: 110
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Vehicles available in renter-occupied apartments: |
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- no vehicle: 79
- 1 vehicle: 428
- 2 vehicles: 484
- 3 vehicles: 72
- 4 vehicles: 42
- 5 or more vehicles: 15
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Estimated household income distribution in 2007:

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Estimate of home value of owner-occupied houses/condos in 2007 in zip code 06831:
- $70,000 to $79,999: 1
- $80,000 to $89,999: 4
- $90,000 to $99,999: 3
- $150,000 to $174,999: 1
- $175,000 to $199,999: 6
- $200,000 to $249,999: 6
- $250,000 to $299,999: 30
- $300,000 to $399,999: 46
- $400,000 to $499,999: 83
- $500,000 to $749,999: 514
- $750,000 to $999,999: 717
- $1,000,000 or more: 3,043
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Rent paid by renters in 2007 in zip code 06831:
- $100 to $149: 5
- $150 to $199: 12
- $250 to $299: 5
- $400 to $449: 9
- $500 to $549: 14
- $600 to $649: 13
- $750 to $799: 25
- $800 to $899: 76
- $900 to $999: 80
- $1,000 to $1,249: 359
- $1,250 to $1,499: 569
- $1,500 to $1,999: 399
- $2,000 or more: 475
- No cash rent: 109
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Median price asked for vacant for-sale houses and condos in 2007: $1,407,572.
Estimated median house (or condo) value in 2007 for: - White Non-Hispanic householders: $1,620,893
- Black or African American householders: $1,925,282
- Asian householders: $1,654,585
- Some other race householders: $264,726
- Two or more races householders: $1,243,345
- Hispanic or Latino householders: $1,925,282
Estimated median house or condo value in 2007: $1,566,824 (it was $817,800 in 2000)
| 06831: | $1,566,824 | | Connecticut: | $309,200 |
Lower value quartile - upper value quartile: $801,501 - Over $1,821,106
Mean price in 2007:
Detached houses: $1,515,288| Here: | $1,515,288 | | State: | $418,487 |
Townhouses or other attached units: $908,702| Here: | $908,702 | | State: | $295,130 |
In 2-unit structures: $950,530| Here: | $950,530 | | State: | $295,498 |
In 3-to-4-unit structures: $1,433,460| Here: | $1,433,460 | | State: | $253,799 |
In 5-or-more-unit structures: $819,213| Here: | $819,213 | | State: | $220,717 |
Occupied boats, RVs, vans, etc.: $350,000| Here: | $350,000 | | State: | $146,879 |
Owners and renters by unit type in %
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Breakdown of mean house values by ages of householders
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Housing units in structures:
- One, detached: 4,671
- One, attached: 342
- Two: 429
- 3 or 4: 162
- 5 to 9: 124
- 10 to 19: 63
- 20 to 49: 17
- 50 or more: 33
- Mobile homes: 9
- Boats, RVs, vans, etc.: 6

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Means of transportation to work
- Drove a car alone: 4,482 (69%)
- Carpooled: 389 (6%)
- Subway or elevated: 38 (1%)
- Railroad: 772 (12%)
- Taxi: 39 (1%)
- Walked: 161 (2%)
- Other means: 46 (1%)
- Worked at home: 614 (9%)
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Travel time to work
- Less than 5 minutes: 215
- 5 to 9 minutes: 505
- 10 to 14 minutes: 1010
- 15 to 19 minutes: 737
- 20 to 24 minutes: 843
- 25 to 29 minutes: 383
- 30 to 34 minutes: 461
- 35 to 39 minutes: 108
- 40 to 44 minutes: 78
- 45 to 59 minutes: 317
- 60 to 89 minutes: 914
- 90 or more minutes: 356
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Percentage of zip code residents living and working in this county: 58.7%
Household type by relationship
Households: 14,701
- In family households: 13,116 (3,254 male householders, 855 female householders)
3,683 spouses, 4,445 children (4,309 natural, 101 adopted, 35 stepchildren), 157 grandchildren, 94 brothers or sisters, 117 parents, 134 other relatives, 377 non-relatives
- In nonfamily households: 1,585 (428 male householders (332 living alone)), 867 female householders (743 living alone)), 290 nonrelatives
- In group quarters: 304 (280 institutionalized population)
Size of family households: 1,709 2-persons, 867 3-persons, 852 4-persons, 459 5-persons, 156 6-persons, 66 7-or-more-persons.
Size of nonfamily households: 1,075 1-person, 174 2-persons, 27 3-persons, 19 4-persons.
3,328 married couples with children.
286 single-parent households (63 men, 223 women).
82.8% of residents of 06831 zip code speak English at home.
4.8% of residents speak Spanish at home (66% very well, 22% well, 8% not well, 4% not at all).
9.8% of residents speak other Indo-European language at home (73% very well, 17% well, 10% not well).
2.2% of residents speak Asian or Pacific Island language at home (67% very well, 11% well, 23% not well).
0.5% of residents speak other language at home (100% very well).
Foreign born population: 2,306 (15.2%)
(53.0% of them are naturalized citizens)
| This zip code: | 15.2% | | Whole state: | 10.9% |
Most common places of birth for the foreign-born residents:
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- United Kingdom (10%)
- Germany (7%)
- Canada (7%)
- Japan (6%)
- Italy (5%)
- Colombia (5%)
- Other Northern Europe (4%)
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Year of entry for the foreign-born population |
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- 1995 to March 2000: 486
- 1990 to 1994: 202
- 1985 to 1989: 287
- 1980 to 1984: 241
- 1975 to 1979: 186
- 1970 to 1974: 137
- 1970 to 1974: 211
- 1965 to 1969: 556
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White population: 14,211
Black population: 101
American Indian population: 12
Asian population: 556
Native Hawaiian and Other Pacific Islander population: 5
Some other race population: 118
Two or more races population: 164

First ancestries reported:
|  Italian: 2512 |
|  Other groups: 1627 |
|  Irish: 1539 |
|  English: 1347 |
|  German: 920 |
|  Polish: 861 |
|  United States or American: 742 |
|  Russian: 408 |
|  Scottish: 311 |
|  British: 284 |
|  Norwegian: 183 |
|  Scotch-Irish: 179 |
|  French (except Basque): 163 |
|  European: 122 |
|  Danish: 116 |
|  Swedish: 109 |
|  Austrian: 107 |
|  Greek: 97 |
|  Czech: 96 |
|  Dutch: 88 |
|  Subsaharan African:: 87 |
|  Canadian: 81 |
|  French Canadian: 80 |
|  Hungarian: 80 |
|  Portuguese: 78 |
|  Arab:: 78 |
|  Lithuanian: 55 |
|  South African: 45 |
|  Swiss: 43 |
|  Iranian: 40 |
|  Lebanese: 39 |
|  Finnish: 39 |
|  Slovak: 39 |
|  Armenian: 37 |
|  Eastern European: 35 |
|  West Indian (excluding Hispanic groups):: 35 |
|  Croatian: 34 |
|  Ukrainian: 33 |
|  Cape Verdean: 31 |
|  Jamaican: 29 |
|  Czechoslovakian: 25 |
|  Welsh: 24 |
|  Australian: 23 |
|  Brazilian: 20 |
|  Bulgarian: 16 |
|  Slavic: 13 |
|  Egyptian: 12 |
|  Turkish: 11 |
|  Arab/Arabic: 11 |
|  Other Arab: 10 |
|  Scandinavian: 9 |
|  Romanian: 8 |
|  Yugoslavian: 8 |
|  Northern European: 7 |
|  Sierra Leonean: 6 |
|  Iraqi: 6 |
|  Slovene: 6 |
|  West Indian: 6 |
|  Pennsylvania German: 5 |
|  African: 5 |

Housing units lacking complete plumbing facilities: 0%
Housing units lacking complete kitchen facilities: 1%
Most commonly used house heating fuel: |
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- Fuel oil, kerosene, etc. (51%)
- Utility gas (36%)
- Electricity (10%)
- Bottled, tank, or LP gas (2%)
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Place of birth for U.S.-born residents:
- This state: 4334
- Northeast: 6388
- Midwest: 800
- South: 577
- West: 316
68% of the 06831 zip code residents lived in the same house 5 years ago.
Out of people who lived in different houses, 55% lived in this county.
Out of people who lived in different counties, 5% lived in Connecticut.
Population in 1990: 14,545. Population change in the 1990s: +622 (+4.3%).
Year Householders Moved Into Unit:
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Private vs. public school enrollment:
Students in private schools in grades 1 to 8 (elementary and middle school): 625
| Here: | 34.8% | | Connecticut: | 9.9% |
Students in private schools in grades 9 to 12 (high school): 191
| Here: | 31.6% | | Connecticut: | 11.0% |
Students in private undergraduate colleges: 210
| Here: | 68.9% | | Connecticut: | 33.4% |
School Enrollment by Level of School
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Companies with federal contracts located in this zip code (GREENWICH, CT):
- BENCKISER CONSUMER PRODUCTS (FIVE AMERICAN LANE; small business): $240,986 in 3 contracts in 2000
$120,470 with Department of Defense for Food Items For Resale. Signed on 2000-06-30. Completion date: 2000-06-30.
$88,599, same as above. Signed on 2000-04-30. Completion date: 2000-04-30.
$31,917, same as above. Signed on 2000-03-31. Completion date: 2000-03-31.
- STRUCTURAL CONTOURS, INC (305 RIVER WEST; small business)
$220,644 with Air Force for Scaffolding Equipment and Concrete Forms. Signed on 2003-09-22. Completion date: 2003-12-12.
- ALMY, C M & SON INC (3 AMERICAN LANE; small business): $58,815 in 2 contracts in 2004
$55,100 with Army for Clothing, Special Purpose. Signed on 2004-08-06. Completion date: 2004-08-20.
$3,715 with Army for Ecclesiastical Equipment, Furnishings, and Supplies. Signed on 2004-06-23. Completion date: 2004-07-23.
- CROMPTON CORPORATION (1 AMERICAN LANE): $45,225 in 4 contracts from 2004 to 2005
$37,440 with Navy for Chemicals. Signed on 2005-08-02. Completion date: 2004-06-04.
$7,785, same as above. Signed on 2005-01-13. Completion date: 2005-03-30.
$0, same as above. Signed on 2005-08-02. Completion date: 2004-06-04.
$0, same as above. Signed on 2004-04-23. Completion date: 2004-06-04.
- FINE HOST CORPORATION (70 RIVERDALE AVE)
$8,125 with Army for Meat, Poultry, and Fish. Taking place in GA. Signed on 2002-08-27. Completion date: 2002-08-29.
Top industries in this zip code by the number of employees in 2005:
- Finance and Insurance: Portfolio Management (100-249 employees: 1 establishment, 50-99 employees: 1 establishment, 20-49 employees: 4 establishments, 10-19 employees: 5 establishments, 5-9 employees: 9 establishments, 1-4 employees: 15 establishments)
- Wholesale Trade: Transportation Equipment and Supplies (except Motor Vehicle) Merchant Wholesalers (250-499: 1)
- Real Estate and Rental and Leasing: Construction, Mining, and Forestry Machinery and Equipment Rental and Leasing (250-499: 1)
- Educational Services: Elementary and Secondary Schools (100-249: 1, 50-99: 2, 10-19: 1)
- Other Services (except Public Administration): Religious Organizations (100-249: 1, 20-49: 1, 10-19: 2, 5-9: 3, 1-4: 1)
- Management of Companies and Enterprises: Corporate, Subsidiary, and Regional Managing Offices (100-249: 1, 20-49: 2, 10-19: 1)
- Finance and Insurance: Investment Advice (100-249: 1, 20-49: 1, 5-9: 1, 1-4: 18)
- Health Care and Social Assistance: Nursing Care Facilities (100-249: 1, 50-99: 1)
- Health Care and Social Assistance: Offices of Physicians (except Mental Health Specialists) (50-99: 1, 20-49: 3, 10-19: 2, 5-9: 1, 1-4: 9)
- Management of Companies and Enterprises: Offices of Other Holding Companies (100-249: 1, 20-49: 1, 5-9: 1, 1-4: 2)
Age and Sex of Sensory-Disabled Residents (Noninstitutionalized)
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Age and Sex of Physically-Disabled Residents (Noninstitutionalized)
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Age and Sex of Mentally-Disabled Residents (Noninstitutionalized)
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Age and Sex of Self-Care Disabled Residents (Noninstitutionalized)
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Age and Sex of Go-Outside-Home Disabled Residents (Noninstitutionalized)
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Age and Sex of Residents with Employment Disability (Noninst.)
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People in group quarters
- 279 people in nursing homes
- 11 people in other workers' dormitories
- 7 people in homes for the mentally retarded
- 4 people in unknown juvenile institutions
- 2 people in college dormitories (includes college quarters off campus)
National Bridge Inventory (NBI) statistics
Number of bridges: 6
Total length: 63 meters
Total costs: 12,000 $
Total average daily traffic: 9,615
Total average daily truck traffic: 22
Total future (year 2025) average daily traffic: 4,808
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