Housing data for Old Greenwich, CT
Old Greenwich, CT has an estimated 6,936 residents and 2,542 homes (US Census Bureau, 2020–2024 American Community Survey).
It is an unincorporated community in Western Connecticut Planning Region.
13.7% of households rent.
The median gross rent is $3,500 or more a month.
Figures last updated on .
- Residents
- 6,936 (±663)
- Housing units
- 2,542 (±222)
- Households that rent
- 13.7%
- Median gross rent
- $3,500 or more
- Residents since 2015–2019
- +1.3%
What stands out in Old Greenwich
Median home value: $1,844,700 (±$189,542) in Old Greenwich, higher than in Western Connecticut Planning Region ($652,900).
Commuting by public transportation: 16.9% (±4.6 points) in Old Greenwich, higher than in Western Connecticut Planning Region (7.0%).
Homes heated by fuel oil: 4.0% (±2.0 points) in Old Greenwich, lower than in Western Connecticut Planning Region (36.0%).
Households that rent: 13.7% (±3.9 points) in Old Greenwich, lower than in Western Connecticut Planning Region (33.6%).
- Home values in Old Greenwich
- Commute and cars in Old Greenwich
- Heating fuel in Old Greenwich
- Renters and owners in Old Greenwich
Housing in Old Greenwich at a glance
- Median rent: $3,500 or more median gross rent a month
- Rent by bedrooms: $3,458 median gross rent, 2 bedrooms
- Rent burden: 49.8% of renters pay 30% or more of income
- Renters and owners: 13.7% of households rent
- Income and affordability: $250,000 or more median household income
- Home values: $1,844,700 median home value
- Homeowner costs: $4,000 or more median monthly cost with a mortgage
- Property taxes: $10,000 or more median real estate taxes a year
- Types of homes: 10.5% of homes are in buildings of 5 or more units
- Bedrooms: 85.5% of homes have 3 or more bedrooms
- Age of homes: 60.9% of homes were built before 1980
- Vacancy rate: 9.9% rental vacancy rate (Small sample: wide margin of error)
- Heating fuel: 78.5% heat with utility gas
- Commute and cars: 34.7 minutes average trip to work
- Growth: +1.3% residents since 2015–2019
- How long people stay: 20.6% moved in since 2020
- Crowding and facilities: 0.0% of homes have more than 1 person per room (Small sample: wide margin of error)
Old Greenwich against Western Connecticut Planning Region, its state and the nation
| Old Greenwich | Western Connecticut Planning Region | Connecticut | United States | |
|---|---|---|---|---|
| Residents | 6,936 (±663) | 627,071 (exact) | 3,624,508 (exact) | 334,922,499 |
| Housing units | 2,542 (±222) | 251,530 (±140) | 1,541,822 (±276) | 143,775,355 |
| Households that rent | 13.7% (±3.9 points) | 33.6% (±0.7 points) | 33.5% (±0.3 points) | 34.8% |
| Median gross rent | $3,500 or more | $2,110 (±$34) | $1,488 (±$10) | $1,413 |
| Median household income | $250,000 or more | $128,188 (±$2,370) | $95,781 (±$732) | $80,734 |
| Median home value | $1,844,700 (±$189,542) | $652,900 (±$8,528) | $366,900 (±$1,621) | $332,700 |
| Median real estate taxes (a year) | $10,000 or more | $9,295 (±$98) | $6,643 (±$25) | $3,119 |
| Built before 1980 | 60.9% (±8.6 points) | 62.6% (±1.2 points) | 67.3% (±0.5 points) | 49.7% |
| Average commute | 34.7 minutes (±4.8) | 30.8 minutes (±0.5) | 26.5 minutes (±0.1) | 26.4 minutes |
| Households with broadband | 97.4% (±1.9 points) | 94.7% (±0.5 points) | 92.2% (±0.2 points) | 91.0% |
| Median age of residents | 40.5 years (±1.2) | 41.5 years (±0.2) | 41.1 years (±0.2) | 38.9 years |
Old Greenwich covers 2.0 square miles of land, about 3,477 residents per square mile (Census Bureau Gazetteer).
How Old Greenwich has changed since 2015–2019
| 2015–2019 | 2020–2024 | Amount of change | Verdict | |
|---|---|---|---|---|
| Residents | 6,844 (±351) | 6,936 (±663) | +1.3% | Not a measurable change |
| Housing units | 2,309 (±83) | 2,542 (±222) | +10.1% | Not a measurable change |
| Median home value | $1,561,200 (±$174,886) | $1,844,700 (±$189,542) | +18.2% | No measurable change after inflation |
| Households that rent | 15.9% (±4.4 points) | 13.7% (±3.9 points) | −2.2 percentage points | Not a measurable change |
| Rental vacancy rate | 4.1% (±4.7 points) | 9.9% (±14.9 points) | +5.8 percentage points | Not a measurable change |
The Census Bureau publishes 2015–2019 dollars in 2019 dollars and 2020–2024 dollars in 2024 dollars.
Prices (the CPI-U, US Bureau of Labor Statistics) rose 22.7% between 2019 and 2024, so a dollar figure’s verdict compares the two after raising the earlier one by that much, using the Census Bureau’s test for a difference.
The two periods do not overlap, as the Census Bureau recommends for 5-year estimates.
Crime reported to police in Western Connecticut Planning Region
Old Greenwich has no police department of its own in the FBI’s figures, so this is the figure for Western Connecticut Planning Region as a whole.
In 2025, the police departments that report for Western Connecticut Planning Region recorded 73 violent and 798 property crimes per 100,000 residents.
A county-wide figure describes the whole county, not this place; crime varies from one community to the next.
ZIP codes in Old Greenwich
| ZIP code | Share of the ZIP’s land in this place | Residents | Median gross rent | Median home value | Median household income |
|---|---|---|---|---|---|
| 06870 | 87% | 7,864 | $3,500 or more | $1,788,700 | $250,000 or more |
A ZIP code is a mail route rather than a boundary, so the Census Bureau publishes figures for ZIP Code Tabulation Areas built from census blocks; the share column says how much of each one’s land lies in this place.
Places near Old Greenwich
| Place | Distance | Median gross rent | Median home value | Households that rent |
|---|---|---|---|---|
| Riverside | 1.1 mi | $3,500 or more | $1,900,300 | 19.4% |
| Cos Cob | 2.3 mi | $3,067 | $1,210,400 | 33.3% |
| Greenwich (community) | 3.1 mi | $2,082 | $1,515,700 | 45.9% |
| Stamford | 4.3 mi | $2,276 | $624,400 | 51.2% |
| Pemberwick | 4.6 mi | — | $940,200 | 26.7% |
| Byram | 4.7 mi | $2,413 | $838,400 | 53.9% |
| Noroton | 4.8 mi | $3,500 or more | $1,620,000 | 28.5% |
| Darien | 5.1 mi | $3,500 or more | $1,822,400 | 17.6% |
HUD Fair Market Rent for Old Greenwich, fiscal year 2027
| Studio | 1 bedroom | 2 bedrooms | 3 bedrooms | 4 bedrooms |
|---|---|---|---|---|
| $1,671 | $2,071 | $2,399 | $2,878 | $3,573 |
HUD income limits for Old Greenwich, fiscal year 2026
| Household size | Extremely low (30%) | Very low (50%) | Low (80%) |
|---|---|---|---|
| 1 person | $32,950 | $54,900 | $82,000 |
| 2 people | $37,650 | $62,750 | $93,700 |
| 3 people | $42,350 | $70,600 | $105,400 |
| 4 people | $47,050 | $78,400 | $117,100 |
| 5 people | $50,850 | $84,700 | $126,500 |
| 6 people | $54,600 | $90,950 | $135,850 |
| 7 people | $58,350 | $97,250 | $145,250 |
| 8 people | $62,150 | $103,500 | $154,600 |
These are the limits HUD sets for its housing programs in the Bridgeport-Stamford-Danbury, CT MSA, where HUD’s median family income for fiscal year 2026 is $156,800.
A program can use its own limits; tax-credit and local programs often do.
Old Greenwich is a census-designated place: an unincorporated community the Census Bureau draws for statistics, with no municipal government of its own.
It lies inside Greenwich, whose figures include it.
Survey years: 2020–2024 (American Community Survey 5-year estimates), compared with 2015–2019.
Margins of error are at the 90% confidence level.
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Questions about Old Greenwich
What is the average rent in Old Greenwich, CT?
The Census Bureau publishes the median rather than the average: the median gross rent in Old Greenwich is $3,500 or more a month (2020–2024 American Community Survey), so half of renting households pay less and half pay more.
How much is a one-bedroom apartment in Old Greenwich?
The median gross rent for a one-bedroom home in Old Greenwich, CT is $2,628 (±$506) a month (2020–2024 American Community Survey).
Are renters in Old Greenwich rent-burdened?
49.8% of renting households in Old Greenwich pay 30% or more of their income in gross rent, the share housing researchers usually call rent-burdened (2020–2024 American Community Survey).
How many renters are there in Old Greenwich?
Old Greenwich has an estimated 326 (±99) renting households, 13.7% of its occupied homes (2020–2024 American Community Survey).
What is the median household income in Old Greenwich?
The median household income in Old Greenwich is $250,000 or more a year (2020–2024 American Community Survey).
What is the average home value in Old Greenwich, CT?
The Census Bureau publishes the median: $1,844,700 (±$189,542) for owner-occupied homes in Old Greenwich (2020–2024 American Community Survey).
Is Old Greenwich growing?
In Old Greenwich, the number of residents went from 6,844 in 2015–2019 to 6,936 in 2020–2024 (+1.3%), not a measurable change.
What ZIP codes are in Old Greenwich?
The ZIP code that covers Old Greenwich is 06870.
What is the median rent in ZIP code 06870?
The median gross rent in ZIP Code Tabulation Area 06870 is $3,500 or more a month (2020–2024 American Community Survey).
Sources
- Demographic and Housing Estimates (DP05), 2020–2024 ACS 5-year estimates — Old Greenwich CDP, Connecticut
- Selected Housing Characteristics (DP04), 2020–2024 ACS 5-year estimates — Old Greenwich CDP, Connecticut
- Selected Economic Characteristics (DP03), 2020–2024 ACS 5-year estimates — Old Greenwich CDP, Connecticut
- Median Real Estate Taxes Paid by Mortgage Status (B25103), 2020–2024 ACS 5-year estimates — Old Greenwich CDP, Connecticut
- Selected Social Characteristics (DP02), 2020–2024 ACS 5-year estimates — Old Greenwich CDP, Connecticut
- Total Population (B01003), 2015–2019 ACS 5-year estimates — Old Greenwich CDP, Connecticut
- Median Gross Rent (B25064), 2015–2019 ACS 5-year estimates — Old Greenwich CDP, Connecticut
- HUD Fair Market Rents, fiscal year 2027: Bridgeport-Stamford-Danbury, CT MSA
- HUD Income Limits, fiscal year 2026: Bridgeport-Stamford-Danbury, CT MSA
- US Census Bureau, American Community Survey 2020–2024 5-year estimates for ZIP Code Tabulation Areas
- Consumer Price Index for All Urban Consumers (CPI-U), US city average, all items, US Bureau of Labor Statistics: annual averages 2019 and 2024
- US Census Bureau, 2024 Gazetteer Files
To check these figures in the Census Bureau’s own API, request the variables below from the 2024 ACS 5-year data profile (acs/acs5/profile) for Old Greenwich CDP, Connecticut (place:56900, in state:09).
Each estimate (E or PE) has a margin of error beside it (M or PM).
The 2015–2019 figures are B01003_001E, B01003_001M, B25064_001E, B25064_001M from the 2019 release.
The API needs a free key.
DP05_0001E, DP05_0001M, DP04_0001E, DP04_0001M, DP04_0047PE, DP04_0047PM, DP04_0134E, DP04_0134M, DP03_0062E, DP03_0062M, DP04_0089E, DP04_0089M
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.
Figures are published by the US Census Bureau, HUD, the Bureau of Labor Statistics and the FBI; Seayora reproduces them and does not adjust them, except where a sentence says it compares dollar figures after inflation. They describe the whole place, not any one building or street, and are not an appraisal, a rent determination, a tax bill, a safety rating or legal advice.
Figures last updated on .