Southeastern Connecticut Planning Region, Connecticut Demographics
Population trends, housing costs, income, commuting, and health, all on one page.
Southeastern Connecticut Planning Region, CT Population Density Map and Area Scores
Area Score
Health, income and education, each graded from F to A+. Explore interactive maps for deeper analysis.
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B
Health Around average
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B
Income Around average
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B
Education Around average
Source: Map AI Methodology
Population: density and quick facts
| Metric | Southeastern Connecticut Planning Region | Connecticut Avg | U.S. Average |
|---|---|---|---|
| Population | 252,265 | 3,347,044 | 337,468,954 |
| Population density (per sq mi) | 369.8 | 603.7 | 86.4 |
| Population growth (%/yr) | -1.01% | -0.35% | 0.59% |
| Median age | 41.1 | 42.1 | 37.3 |
| Households | 103,737 | 1,316,506 | 130,235,071 |
Population in Southeastern Connecticut Planning Region declined by 6.0% from 2009 to 2024, reaching 252,265 in 2024.
Population Growth 2009–2024
Race & Ethnicity
Age & Sex
The largest generation in Southeastern Connecticut Planning Region is Gen Z, aged 13–28, at 21.7% of residents. That is 1.6 points above Connecticut as a whole.
- Gen Z 13–28 54,830 21.7% +1.6 pts
- Millennials 29–44 50,409 20.0% -0.5 pts
- Gen X 45–60 54,795 21.7% -0.6 pts
- Boomers 61–79 46,458 18.4% -0.1 pts
Residents by birth cohort, from the 2025 age distribution. The right-hand figure is how far each cohort's share sits above or below Connecticut, in percentage points. Children younger than Gen Z and the generations before the Boomers are counted in the population but not shown here, so these shares do not add up to 100%.
Male and female share
Women are 50.0% of the people living in Southeastern Connecticut Planning Region and men 50.0%.
- Women 50.0% Connecticut 51.0%
- Men 50.0% Connecticut 49.0%
How many residents match a customer profile?
Residents matching this profile
100% of everyone living in Southeastern Connecticut Planning Region
Pick an age range and a women/men split and the figure above answers with how many residents that profile reaches.
Economy
Southeastern Connecticut Planning Region has a the economy index of B, which means it is quite prosperous.
| Metric | Southeastern Connecticut Planning Region | Connecticut Avg | U.S. Average |
|---|---|---|---|
| Median household income | $86,956 | $97,098 | $80,455 |
| Income growth (%/yr) | 3.76% | 3.67% | 4.80% |
| Unemployment rate | 4.7% | 5.5% | 5.2% |
The median household income in Southeastern Connecticut Planning Region is about 10% lower than in Connecticut.
Housing
| Metric | Southeastern Connecticut Planning Region | Connecticut Avg | U.S. Average |
|---|---|---|---|
| Median home price | $291,357 | $281,244 | $248,835 |
| Median rent | $1,362 | $1,481 | $1,407 |
| Homeownership rate | 64.7% | 67.4% | 65.2% |
The median home price in Southeastern Connecticut Planning Region is about 17.8 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $1,362 per month for that long.
Commute Time & Mobility
Commuters in Southeastern Connecticut Planning Region spend about 41 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 172 hours, about 7.2 full days, spent commuting.
| Metric | Southeastern Connecticut Planning Region | Connecticut Avg | U.S. Average |
|---|---|---|---|
| One-way commute (min) | 20.6 | 22.1 | 22.4 |
| Round-trip commute (min) | 41.2 | 44.2 | 44.8 |
| Yearly time spent (hours) | 172 | 184 | 187 |
| Estimated yearly cost | $5,326 | $5,704 | $5,790 |
| Work from home | 11.7% | 16.2% | 15.0% |
| Highway traffic (vehicles/day) | 7,405 | 10,657 | 8,813 |
| Local road traffic (vehicles/day) | 1,328 | 1,748 | 1,355 |
Fastest commutes among counties in
Connecticut:
Southeastern Connecticut Planning Region (20.6 min), South Central Connecticut Planning Region (20.9 min), Capitol Planning Region (21.4 min).
Slowest:
Northeastern Connecticut Planning Region (26.0 min), Greater Bridgeport Planning Region (23.9 min), Naugatuck Valley Planning Region (23.5 min).
The average commute time in Southeastern Connecticut Planning Region is 21 minutes, shorter than the 22 minutes in Connecticut.
Estimated yearly cost applies a single national wage rule of thumb (U.S. Bureau of Labor Statistics average hourly earnings), not a measurement of wages in this area. Traffic volume figures come from proprietary Ticon and TrafficZoom data.
Education & Households
Southeastern Connecticut Planning Region has a education index of B, which means it is quite educated.
| Metric | Southeastern Connecticut Planning Region | Connecticut Avg | U.S. Average |
|---|---|---|---|
| Bachelor's degree or higher | 31.5% | 38.6% | 31.6% |
| Average household size | 2.32 | 2.47 | 2.53 |
Highest education index among counties in
Connecticut:
Western Connecticut Planning Region (0.4), Lower Connecticut River Valley Planning Region (0.4), Capitol Planning Region (0.3).
Lowest:
Northeastern Connecticut Planning Region (0.3), Naugatuck Valley Planning Region (0.3), Southeastern Connecticut Planning Region (0.3).
Health
Southeastern Connecticut Planning Region has a health index of B, which means it is quite healthy.
| Metric | Southeastern Connecticut Planning Region | Connecticut Avg | U.S. Average |
|---|---|---|---|
| Life expectancy (years) | 79.3 | 80.1 | 78.3 |
| Self-rated poor health | 11.6% | 12.0% | 16.3% |
| Smokers | 16.4% | 15.2% | 19.0% |
Highest health index among counties in
Connecticut:
Western Connecticut Planning Region (0.8), Lower Connecticut River Valley Planning Region (0.8), Northwest Hills Planning Region (0.8).
Lowest:
Naugatuck Valley Planning Region (0.8), South Central Connecticut Planning Region (0.8), Capitol Planning Region (0.8).
Southeastern Connecticut Planning Region, CT Compared With Nearby Counties
Southeastern Connecticut Planning Region, CT is the 2nd largest of the 6 counties compared here, 252,265 residents against a local median of 163,295. Where Southeastern Connecticut Planning Region, CT breaks from the counties next to it is median home price, sitting 25% above the local median of $232,901 at $291,357.
The counties themselves spread $282,430 on median home price, so Southeastern Connecticut Planning Region, CT sits at one end of an already wide local range rather than apart from it. Southeastern Connecticut Planning Region, CT has the 3rd highest median home price of the 6 areas compared here.
| Area | Population | Median household income | Median home price | Commute |
|---|---|---|---|---|
| Southeastern Connecticut Planning Region, CT | 252,265 | $86,956 #6/6 | $291,357 #3/6 | 20.6 min #1/6 |
| Northeastern Connecticut Planning Region, CT | 78,384 | $92,667 | $198,249 | 26.0 min |
| Lower Connecticut River Valley Planning Region, CT | 163,295 | $107,450 | $222,692 | 22.8 min |
| Washington County, RI | 130,338 | $108,800 | $480,679 | 22.8 min |
| Kent County, RI | 171,061 | $94,069 | $327,059 | 22.5 min |
| Capitol Planning Region, CT | 920,648 | $94,231 | $232,901 | 21.4 min |
Frequently Asked Questions
Common questions about Southeastern Connecticut Planning Region, Connecticut.
What is the population of Southeastern Connecticut Planning Region, Connecticut?
About 252,265 people live in Southeastern Connecticut Planning Region, Connecticut, in 103,737 households of 2.3 people on average. The median age is 41.1, so residents are older than the U.S. median of 37.3 by about 4 years.
Is Southeastern Connecticut Planning Region, Connecticut urban or rural?
Averaged over its land area, Southeastern Connecticut Planning Region, Connecticut has 370 people per square mile, a density typical of a mix of suburbs, small towns and farmland. That is about 4.3 times the U.S. average of 86.
How affordable is housing in Southeastern Connecticut Planning Region, Connecticut?
The median home costs 3.4 times the median household income ($291,357 against $86,956), compared with 3.1 times nationally. A ratio of about 3 is traditionally considered affordable. Median rent of $1,362 a month takes about 19% of the median household's income, below the 30% level at which HUD considers renters cost-burdened.
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