US Census Data

New Canaan vs Old Greenwich

A side-by-side comparison of New Canaan and Old Greenwich: population, income, housing, and more.

New Canaan and Old Greenwich are places in Connecticut. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

New Canaan has the higher population (7,032 vs 6,904 in Old Greenwich). Old Greenwich has the higher median household income ($250,001 vs $163,355 in New Canaan). Old Greenwich has the higher median home value ($1,668,200 vs $1,115,600 in New Canaan).

Population, income & housing

New CanaanOld Greenwich
Population7,0326,904
Median age44.6 yrs40.5 yrs
Median household income$163,355$250,001
Median home value$1,115,600$1,668,200
Median gross rent$3,501$3,501
Housing units2,9932,482
Homeownership rate64.2%85.4%
Bachelor's degree or higher76.6%84.3%
Unemployment rate10.3%4.7%

Trends (ACS 5-year, 2019–2023)

New CanaanOld Greenwich
Population7,256 → 7,032 (-3.1%)6,844 → 6,904 (+0.9%)
Median household income$138,736 → $163,355 (+17.7%)$222,794 → $250,001 (+12.2%)
Median home value$973,900 → $1,115,600 (+14.5%)$1,561,200 → $1,668,200 (+6.9%)
Median gross rent$2,281 → $3,501 (+53.5%)$2,127 → $3,501 (+64.6%)

New Canaan

Population
7,2567,032
Median household income
$138,736$163,355
Median home value
$973,900$1,115,600
Median gross rent
$2,281$3,501

Old Greenwich

Population
6,8446,904
Median household income
$222,794$250,001
Median home value
$1,561,200$1,668,200
Median gross rent
$2,127$3,501

Age & race/ethnicity

Age distribution (share)

New CanaanOld Greenwich
Under 55.2%8.1%
5 to 1717.7%25.3%
18 to 2411.5%5.8%
25 to 344.3%2.2%
35 to 4411.9%17.6%
45 to 5413.6%12.5%
55 to 6416.4%14.1%
65 to 746.1%7.5%
75 and over13.3%6.9%

Race & ethnicity (share)

New CanaanOld Greenwich
White (non-Hispanic)84.3%77.5%
Black or African American1.6%0.5%
American Indian & Alaska Native0.0%0.0%
Asian7.6%8.4%
Native Hawaiian & Pacific Islander0.0%0.0%
Some other race0.9%0.2%
Two or more races2.6%5.8%
Hispanic or Latino3.0%7.6%

Educational attainment (age 25+)

Share of adults 25+

New CanaanOld Greenwich
No high school diploma1.2%1.2%
High school graduate7.9%6.6%
Some college or associate's14.3%7.9%
Bachelor's degree39.6%43.7%
Graduate or professional degree37.0%40.6%

Commute to work

How workers get to work (share)

New CanaanOld Greenwich
Drove alone43.9%38.3%
Carpooled4.7%2.0%
Public transit13.8%19.8%
Walked9.9%1.1%
Bicycle0.0%0.3%
Worked from home26.9%38.0%
Other means0.7%0.4%

Housing

Units in structure (share)

New CanaanOld Greenwich
1-unit, detached38.6%81.3%
1-unit, attached23.8%3.6%
2 to 4 units17.4%2.6%
5 to 19 units14.1%2.9%
20 or more units6.1%9.6%
Mobile home & other0.0%0.0%

Poverty & households

New CanaanOld Greenwich
Poverty rate4.2%3.3%
Average household size2.572.98
Mean commute (minutes)3837
Median year structure built19681967

Full profiles

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