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Southeastern Connecticut Planning Region, Connecticut Demographics 2026

Southeastern Connecticut Planning Region, Connecticut has a population of 279,971, the 6th most populous county in Connecticut. The median household income is $86,586 and the median home value is $323,400. The poverty rate is 10.7%.

Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes

Southeastern Connecticut Planning Region Quick Facts

Population 279,971
Median Household Income $86,586
Median Home Value $323,400
Poverty Rate 10.7%
Unemployment Rate 5.0%
Median Age 41.1 years
Homeownership Rate 65.1%
Affordability Ratio 3.7x
Bachelor's Degree+ 35.8%
High School Graduation 92.8%
Cities/Places 0
Population 279,971 6th of 9
Median Income $86,586 10% lower than state
Poverty Rate 10.7%
Unemployment 5.0%

How Southeastern Connecticut Planning Region Changed

Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.

Metric2019–20232020–2024Change
Population279,025279,971+0.3%
Median household income$84,185$86,586+2.9%
Median home value$293,900$323,400+10.0%

Economy & Housing

Household Income Distribution

Under $25K 13.1%
$25K-$50K 15.9%
$50K-$100K 28.1%
$100K+ 42.9%
Detailed income brackets
Under $10K
4.0%
$10K-$15K
3.1%
$15K-$20K
3.2%
$20K-$25K
2.8%
$25K-$30K
3.0%
$30K-$35K
3.3%
$35K-$40K
3.2%
$40K-$45K
3.4%
$45K-$50K
3.0%
$50K-$60K
6.0%
$60K-$75K
8.3%
$75K-$100K
13.8%
$100K-$125K
10.1%
$125K-$150K
8.4%
$150K-$200K
11.6%
$200K+
12.8%

Employment

5.0% Unemployment Rate State: 5.6%|National: 5.2%
64.0% Labor Force Participation

Housing Overview

Owner 65.1%
Renter 34.9%
Affordability Index Affordable
3.7x home value to income ratio
Median gross rent $1,365/mo 18.9% of median household income annually

People & Demographics

Diversity Index

47out of 100
Moderate Diversity

Moderate diversity with one or two groups making up the majority.

State average: 57 | National average: 61

Education

Explore Connecticut Rankings

Cities by Population All cities ranked by size Richest Cities Ranked by median income Most Educated By bachelor's degree rate Most Affordable By housing affordability

Population Overview

Southeastern Connecticut Planning Region is located in Connecticut with a total population of 279,971. It is the 6th most populous county out of 9 in Connecticut.

Age Demographics

The median age in Southeastern Connecticut Planning Region is 41.1 years. This is about the same as the state median of 41.1 years.

Economy, Income & Housing

The median household income in Southeastern Connecticut Planning Region is $86,586. This is 10% lower than the state median of $95,781. It is also 7% higher than the national median of $80,734. The poverty rate stands at 10.7%. This is 6% higher than the state poverty rate of 10.0%. The unemployment rate is 5.0%. This is 10% lower than the state rate of 5.6%. The median home value is $323,400. Housing costs are 12% lower than the state median of $366,900. The home-value-to-income ratio is 3.7x. 65.1% of occupied housing units are owner-occupied. This homeownership rate is 2% lower than the state average of 66.5%.

Race & Ethnicity

The largest racial or ethnic group in Southeastern Connecticut Planning Region is White (non-Hispanic), making up 70.6% of the population. Hispanic or Latino residents account for 15.0%. The Black or African American population (4.9%) is well below the state average of 9.8%.

Education

35.8% of residents aged 25 and older hold a bachelor's degree or higher. This is 16% lower than the state rate of 42.5%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 92.8%. Notably, 16.0% of adults hold a graduate or professional degree, indicating a highly educated workforce.

Data Sources & Methodology

All figures for Southeastern Connecticut Planning Region come from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates, with comparisons drawn against Connecticut and national averages from the same dataset. See our methodology page for how each metric is defined, or data.census.gov for official tables with margins of error.

Frequently Asked Questions

What is the population of Southeastern Connecticut Planning Region, Connecticut?

Southeastern Connecticut Planning Region has a population of 279,971, making it the 6th most populous county in Connecticut.

What is the median income in Southeastern Connecticut Planning Region?

The median household income in Southeastern Connecticut Planning Region is $86,586 with a poverty rate of 10.7%.

How many cities are in Southeastern Connecticut Planning Region, Connecticut?

Southeastern Connecticut Planning Region contains 0 Census-designated places.