County

Southeastern Connecticut County, CT

36 ZIP codes  ·  35 cities  ·  Connecticut

👥270,874Population
💰$87,337Median HH Income▲ 14% above avg
🎂41.4Median Age
🏠$290,847Median Home Value≈ Avg
🎓43.3%College Grads▲ 12% above avg
📊4.9%Unemployment≈ Avg
People & Population (ACS 2023 — weighted avg)
♂ Male 50.1% Female 49.9% ♀

Race & Ethnicity

White: 71%Hispanic: 14.9%Black: 5.3%Asian: 3.8%Other: 4.6%Race
White71.0%
Hispanic14.9%
Black5.3%
Asian3.8%
Other4.6%

Age Breakdown

Under 5
5%
5–17
15%
18–24
10%
25–44
25%
45–64
26%
65+
9%

Key Indicators

Median Age41.4 yrs
Avg HH Size2.34
Below Poverty10.2% ≈ Avg
College Grads43.3% ▲ 12% above avg
Unemployment4.9% ≈ Avg
No HS Diploma2,660 (1.5%)
HS Graduate51,098 (28.4%)
Some College22,112 (12.3%)
Associates25,098 (13.9%)
Bachelors16,643 (9.2%)
Graduate Degree62,471 (34.7%)

Education

No HS: 1.5%HS Grad: 28.4%Some College: 12.3%Associates: 13.9%Bachelors: 9.2%Graduate: 34.7%Edu
No HS1.5%
HS Grad28.4%
Some College12.3%
Associates13.9%
Bachelors9.2%
Graduate34.7%
Housing & Income

Housing Tenure

Owner: 65.3%Renter: 34.7%Tenure
Owner65.3%
Renter34.7%

Home Value Distribution

Under $50k
4%
$50k–$100k
2%
$100k–$150k
5%
$150k–$200k
10%
$200k–$300k
32%
$300k–$500k
34%
Over $500k
13%

Financials

Median HH Income$87,337 ▲ 14% above avg
Median Home Value$290,847 ≈ Avg
Home/Income Ratio3.3x (nat avg ~3.5x)
Median Rent$1,343/mo
Total Housing Units122,890
Vacant Units11,382

Income Distribution

Under $25k
14%
$25k–$50k
14%
$50k–$75k
15%
$75k–$100k
14%
$100k–$150k
19%
$150k–$200k
11%
Over $200k
13%
Employment & Commute

How People Get to Work

Drove Alone
84%
Public Transit
2%
Walked
3%
Work From Home
11%

Commute Time

Under 15 min
29%
15–30 min
40%
30–45 min
18%
Over 45 min
13%
Housing Stock

Year Built

Before 1940
2%
1940s–1950s
15%
1960s–1970s
15%
1980s–1990s
11%
2000+
57%
About Southeastern Connecticut County, CT

Southeastern Connecticut County is located in Connecticut and encompasses 36 ZIP codes spanning 35 cities and communities. The county has an estimated population of 270,874 residents. With a median age of 41.39, it is a middle-aged county.

Southeastern Connecticut County has a middle-income economic profile. The median household income of $87,336 is near the national average. Unemployment stands at 4.9%, near the national average. The poverty rate of 10.2% is near the national average.

Housing in Southeastern Connecticut County is a mid-range housing market, with a median home value of $290,847 — near the national average. Monthly median rent is approximately $1,342. Homeownership rates are high at 65.3%, reflecting a largely residential, stable population.

The residents of Southeastern Connecticut County are primarily White (70.96%). Educational attainment is well-educated — 43.3% of adults hold a bachelor's degree or higher, near the national average.

Southeastern Connecticut County, CT is a middle-income area in Connecticut. The 36 ZIP codes within the county each have their own character — browse the full list below to find the right community, whether you're looking for affordable housing, strong schools, or economic opportunity.

ZIP Codes in Southeastern Connecticut County
ZIPCityPopulationMedian IncomeMedian HomeMedian RentUnemp.College
06330 Baltic 3,311 $92,857 $266,200 $1,262 3.2% 33.6%
06415 Colchester 16,075 $119,656 $340,700 $1,398 2.0% 54.8%
06335 Gales Ferry 6,100 $126,121 $296,800 $1,893 4.1% 52.8%
06340 Groton 29,833 $77,768 $275,500 $1,492 4.5% 46.4%
06351 Jewett City 15,697 $84,107 $276,200 $1,115 4.2% 29.5%
06249 Lebanon 7,137 $106,594 $337,700 $1,449 3.7% 50.3%
06339 Ledyard 9,263 $104,963 $284,400 $1,242 1.2% 44.6%
06355 Mystic 12,223 $132,367 $416,600 $1,722 4.2% 66.4%
06320 New London 27,275 $60,224 $234,800 $1,304 6.7% 39.4%
06357 Niantic 11,315 $98,852 $369,600 $1,476 2.9% 54.1%
06254 North Franklin 1,925 $100,179 $288,200 $700 6.2% 36.9%
06359 North Stonington 5,154 $115,069 $374,800 $1,224 2.5% 50.3%
06256 North Windham 1,796 $72,386 $181,500 3.4% 25.7%
06360 Norwich 37,527 $65,848 $233,500 $1,207 7.0% 32.5%
06370 Oakdale 7,547 $100,891 $304,500 $964 2.0% 39.7%
06379 Pawcatuck 9,003 $87,352 $364,700 $1,183 3.8% 48.5%
06365 Preston 4,781 $109,441 $343,200 $1,628 6.3% 47.5%
06375 Quaker Hill 3,667 $104,427 $294,600 $998 5.3% 38.4%
06420 Salem 4,323 $118,839 $369,800 $1,495 3.3% 66.5%
06266 South Windham 278 $83,456 $225,000 11.7% 35.5%
06378 Stonington 5,408 $126,014 $576,200 $1,720 5.6% 68.2%
06380 Taftville 2,427 $44,430 $187,000 $1,177 6.5% 31.1%
06382 Uncasville 10,076 $85,021 $250,100 $1,228 5.1% 34.1%
06385 Waterford 15,900 $110,375 $334,900 $1,593 5.5% 48.7%
06226 Willimantic 19,068 $44,103 $181,100 $1,084 7.5% 31.8%
06280 Windham 3,179 $73,488 $238,200 $1,717 2.6% 35.4%