Cos Cob vs Ridgefield

A side-by-side comparison of Cos Cob and Ridgefield: population, income, housing, and more.

Cos Cob and Ridgefield are places in Connecticut. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Cos Cob has the higher population (7,354 vs 7,103 in Ridgefield). Cos Cob has the higher median household income ($176,602 vs $143,286 in Ridgefield). Cos Cob has the higher median home value ($1,149,500 vs $843,200 in Ridgefield).

Population, income & housing

	Cos Cob	Ridgefield
Population	7,354	7,103
Median age	39.3 yrs	45.7 yrs
Median household income	$176,602	$143,286
Median home value	$1,149,500	$843,200
Median gross rent	$2,574	$1,834
Housing units	2,711	3,135
Homeownership rate	65.4%	73.6%
Bachelor's degree or higher	70.3%	73.1%
Unemployment rate	6.1%	5.4%

Trends (ACS 5-year, 2019–2023)

	Cos Cob	Ridgefield
Population	6,990 → 7,354 (+5.2%)	8,244 → 7,103 (-13.8%)
Median household income	$149,375 → $176,602 (+18.2%)	$133,647 → $143,286 (+7.2%)
Median home value	$1,055,400 → $1,149,500 (+8.9%)	$663,600 → $843,200 (+27.1%)
Median gross rent	$1,979 → $2,574 (+30.1%)	$1,665 → $1,834 (+10.2%)

Cos Cob

Population

6,9907,354

Median household income

$149,375$176,602

Median home value

$1,055,400$1,149,500

Median gross rent

$1,979$2,574

Ridgefield

Population

8,2447,103

Median household income

$133,647$143,286

Median home value

$663,600$843,200

Median gross rent

$1,665$1,834

Age & race/ethnicity

Age distribution (share)

	Cos Cob	Ridgefield
Under 5	9.0%	4.0%
5 to 17	20.0%	17.0%
18 to 24	6.1%	6.9%
25 to 34	8.6%	8.5%
35 to 44	15.2%	12.0%
45 to 54	13.3%	15.8%
55 to 64	13.9%	13.9%
65 to 74	8.9%	9.8%
75 and over	4.9%	12.0%

Race & ethnicity (share)

	Cos Cob	Ridgefield
White (non-Hispanic)	67.2%	87.5%
Black or African American	2.9%	3.8%
American Indian & Alaska Native	0.4%	0.0%
Asian	5.4%	2.3%
Native Hawaiian & Pacific Islander	0.0%	0.0%
Some other race	0.8%	0.0%
Two or more races	9.2%	0.9%
Hispanic or Latino	14.2%	5.5%

Educational attainment (age 25+)

Share of adults 25+

	Cos Cob	Ridgefield
No high school diploma	3.9%	2.3%
High school graduate	15.0%	8.9%
Some college or associate's	10.8%	15.7%
Bachelor's degree	33.4%	43.4%
Graduate or professional degree	36.9%	29.7%

Commute to work

How workers get to work (share)

	Cos Cob	Ridgefield
Drove alone	54.8%	62.3%
Carpooled	4.9%	3.7%
Public transit	9.0%	5.7%
Walked	1.9%	1.5%
Bicycle	0.0%	0.0%
Worked from home	27.9%	26.3%
Other means	1.5%	0.5%

Housing

Units in structure (share)

	Cos Cob	Ridgefield
1-unit, detached	58.2%	65.1%
1-unit, attached	11.8%	2.3%
2 to 4 units	23.5%	13.0%
5 to 19 units	5.1%	10.9%
20 or more units	1.1%	8.7%
Mobile home & other	0.2%	0.0%

Poverty & households

	Cos Cob	Ridgefield
Poverty rate	5.5%	2.6%
Average household size	2.78	2.46
Mean commute (minutes)	29	35
Median year structure built	1959	1972