06237 ZIP Code — Columbia, CT

Tolland County, Connecticut

ZIP code 06237 is located in Columbia, Connecticut, within Tolland County. It covers approximately 21.37 square miles and serves a population of 5,280 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 860.

About ZIP code 06237

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1990s, giving the area an established character. Median home value is $295,600. Owner-occupancy is high at 86%, well above the national average.

Median household income is $124,311. The poverty rate of 6% is below the national average. SNAP benefit usage at 18% of households reflects economic stress in the area. 40% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 30 minutes is near the national average.

Educational attainment is near the national average, with 31% of residents holding a bachelor's degree or higher.

Notable community characteristics include a notable veteran presence at 13% of civilians, above the national average of 7%.

Overall, ZIP code 06237 reflects a community defined by a strong veteran community, high homeownership, a significant Social Security-dependent population, and elevated reliance on food assistance.

5,280

population

21.37

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

06237 ZIP code map

Cities in ZIP code 06237

Below are the cities the US Postal Service accepts for ZIP code 06237. Using any city not on this list may result in mail delivery delays.

City	Status
Columbia	Preferred

Nearby ZIP codes

06226 Willimantic (4.6 mi) 06232 Andover (4.8 mi) 06249 Lebanon (5.2 mi) 06248 Hebron (5.4 mi) 06231 Amston (5.8 mi) 06238 Coventry (6.3 mi) 06266 South Windham (6.8 mi) 06268 Storrs Mansfield (7.3 mi) 06250 Mansfield Center (7.8 mi) 06256 North Windham (7.9 mi) 06280 Windham (8.2 mi) 06269 Storrs Mansfield (8.4 mi)

Demographics updated 05/2026

Population
Total population	5,280
Population density	247 / sq mi
State FIPS	09
County FIPS	013

Geography
Land area	21.37 sq mi
Water area	0.61 sq mi
Latitude	41.6910
Longitude	-72.2978
Timezone	Eastern (ET)
Area code	860

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	28.5%	27.9%	32.0%
$50k – $100k	17.6%	28.1%	27.7%
$100k – $200k	41.7%	31.7%	27.1%
Over $200k	12.2%	12.3%	13.2%

Demographics & statistics

5,280

Population

247

People per sq mi

53.5

Median age

$124,311

Median household income

$53,606

Per capita income

$295,600

Median home value

$862

Median monthly rent

85.7%

Home ownership

6.2%

Poverty rate

5.4%

Unemployment

1,946

Housing units

31.3%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

136

10–14

105

15–19

20–24

454

25–34

353

312

35–44

242

407

45–54

316

302

55–59

235

244

60–64

189

497

65–74

385

180

75–84

140

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	669	12.7%
18 and over	4,611	87.3%
65 and over	1,340	25.4%
Median age	53.5 years

Race & ethnicity

White 86.8%

Two or more races 5.4%

Hispanic or Latino 3.7%

Other race 2%

Black or African American 1.8%

American Indian / Alaska Native 0.3%

Group	Count	%
White	4,759	86.8%
Two or more races	296	5.4%
Hispanic or Latino	204	3.7%
Other race	112	2%
Black or African American	98	1.8%
American Indian / Alaska Native	15	0.3%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	28.5%	27.9%	32.0%
$50k – $100k	17.6%	28.1%	27.7%
$100k – $200k	41.7%	31.7%	27.1%
Over $200k	12.2%	12.3%	13.2%

Under $10k 1.4%

$10k–$15k 0.3%

$15k–$25k 3.1%

$25k–$35k 5.0%

$35k–$50k 14.9%

$50k–$75k 5.5%

$75k–$100k 8.1%

$100k–$150k 22.6%

$150k–$200k 23.4%

$200k+ 15.8%

Range	% of households
Under $10k	1.4%
$10k–$15k	0.3%
$15k–$25k	3.1%
$25k–$35k	5.0%
$35k–$50k	14.9%
$50k–$75k	5.5%
$75k–$100k	8.1%
$100k–$150k	22.6%
$150k–$200k	23.4%
$200k+	15.8%
Median income	$124,311

Housing

Home values

Under $50k 1.7%

$50k–$100k 0.7%

$100k–$150k 0.6%

$150k–$200k 4.9%

$200k–$300k 44.5%

$300k–$500k 42.8%

$500k–$1M 4.7%

Housing overview

Metric	Value
Median home value	$295,600
Median rent / month	$862
Owner occupied	85.7%
Renter occupied	14.3%
Vacant	4.2%
Single-family detached	89.0%
Large apartment buildings	0.0%
Mobile homes	0.7%
Median rooms	6.4
Avg household size (owned)	2.54

Year built

Era	%
2020 or later	0.0%
2010–2019	4.2%
2000–2009	9.3%
1990–1999	21.5%
1980–1989	16.8%
1970–1979	13.3%
1960–1969	8.8%
1950–1959	11.6%
1940–1949	4.8%
1939 or earlier	9.7%

Bedrooms

Size	% of units
No bedroom (studio)	0.1%
1 bedroom	3.9%
2 bedrooms	21.2%
3 bedrooms	55.7%
4 bedrooms	15.2%
5+ bedrooms	3.9%

Vehicles per household

Vehicles	% of households
No vehicle	1.0%
1 vehicle	25.2%
2 vehicles	39.0%
3 or more	34.8%

Heating fuel

Fuel type	%
Utility gas	2.9%
Electricity	10.3%
Propane / LP gas	9.3%
Fuel oil	67.8%
Wood	6.5%
No fuel used	2.1%

Households & families

Household type	Count	%
Married-couple family	1,327	61.4%
Cohabiting couple	154	7.1%
Male householder, no spouse	462	21.4%
Female householder, no spouse	218	10.1%
Households with children under 18	450	20.8%
Households with seniors (65+)	912	42.2%
Average household size	2.42

Marital status

Status	Male	Female
Never married	35.3%	24.7%
Married	51.1%	62.5%
Separated	0.0%	0.0%
Widowed	2.9%	7.3%
Divorced	10.8%	5.6%

Education

Less than 9th grade 9.6%

Some HS, no diploma 2.6%

HS graduate 31.5%

Some college, no degree 18.6%

Associate's degree 6.5%

Bachelor's degree 18.7%

Graduate / professional 12.6%

Metric	%
HS diploma or higher	87.8%
Bachelor's or higher	31.3%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	31	4.8%
Kindergarten	52	8.0%
Elementary school	322	49.5%
High school	116	17.8%
College / grad school	129	19.8%

Employment

Industry of employment

Education & healthcare 27.2%

Construction 13.7%

Professional & management 11.5%

Finance & real estate 10.2%

Manufacturing 8.4%

Retail trade 6.1%

Other services 5.7%

Public administration 4.5%

Wholesale trade 4.2%

Transportation & utilities 3.2%

Arts, food & hospitality 2.8%

Information 1.3%

Agriculture & mining 1.2%

Occupation

Category	%
Management, business & arts	50.8%
Service	8.6%
Sales & office	15.8%
Natural resources & construction	15.8%
Production & transportation	9.1%

Employment type

Type	%
Private sector	80.4%
Government	13.3%
Self-employed	6.3%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	78.2%
Carpool	5.6%
Public transit	0.0%
Walk	0.9%
Work from home	15.3%
Other means	0.0%
Avg commute (minutes)	30.2

Poverty

All people 6.2%

Under 18 years 0.0%

18 and over 7.1%

Married-couple families 0.6%

Female-led households 0.0%

Income support

Source	% of households
Social Security	40.4%
Retirement income	35.4%
Supplemental Security	13.5%
Cash public assistance	11.6%
Food stamps / SNAP	17.8%

Health indicators

Condition	%
Obesity	27.9%
High blood pressure	30.2%
High cholesterol	33.1%
Diabetes	8.4%
Heart disease	5.7%
Stroke	2.3%
Asthma	10.3%
Arthritis	23.5%
Kidney disease	2.4%
Pulmonary disease	5.4%
Cancer	7.5%

Behavior / access	%
Smoking	12.1%
Binge drinking	15.4%
No physical activity	16.3%
Less than 7 hrs sleep	31.8%
Depression	20.2%
Fair or poor health	8.8%
Poor mental health	12.8%
Poor physical health	7.9%
No health insurance	6.6%
Visited doctor (checkup)	75.4%
Visited dentist	76.1%
Cholesterol screening	93.6%
Teeth loss	7.5%

Veterans & disability

Veterans	Count	%
Civilian veterans	601	13.0%

Disability	%
Any disability	19.7%
Under 18	0.0%
18–64 years	16.5%
65 and over	37.3%

Health insurance coverage

Type	%
Private insurance	80.6%
Public insurance	37.3%
No insurance	3.4%
Uninsured under 19	13.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	5,109	96.8%
Spanish	31	0.6%
Other Indo-European	19	0.4%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	5,124	97.0%
Born in same state	5,071	96.0%
Born in different state	3,592	68.0%
Foreign born	53	1.0%
Naturalized citizen	156	3.0%
Not a US citizen	156	100.0%

Ancestry

Ancestry	Count	%
French	704	13.3%
Italian	628	11.9%
Arab	360	6.8%
German	107	2%

Ancestry	Count	%
Norwegian	77	1.5%
English	29	0.5%
Irish	11	0.2%

Technology access

Metric	% of households
Computer access	40.9%
Internet access	96.9%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 06237

What city is ZIP code 06237 in?

ZIP code 06237 is primarily assigned to Columbia, Connecticut.

What county is ZIP code 06237 in?

ZIP code 06237 falls within Tolland County, Connecticut.

Does ZIP code 06237 have an older population?

25% of residents in ZIP code 06237 are 65 or older, above the national average of ~17%.

Is ZIP code 06237 mostly owner-occupied?

86% of occupied units in ZIP code 06237 are owner-occupied, well above the national average.

Does ZIP code 06237 have a large retiree population?

40% of households in ZIP code 06237 receive Social Security income, suggesting a significant retiree or disability population.

Does ZIP code 06237 have a large veteran population?

13% of civilians in ZIP code 06237 are veterans, above the national average of ~7%.

What timezone is ZIP code 06237 in?

ZIP code 06237 observes the EST timezone.