119th Congress · CT-3
Connecticut's 3rd Congressional District
Connecticut's 3rd Congressional District (CT-3) has a population of 718,781. The median household income is $87,886 and the median age is 40.9.
718,781
Population
1517
People / sq mi
$87,886
Median Income
40.9
Median Age
CT-3 covers 474 sq mi of land at 1516.6 people per square mile.
Race & Ethnicity
| White | 65.1% |
| Black or African American | 14.0% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.1% |
Economy & Income
$87,886
Median Household Income
$47,773
Per Capita Income
6.6%
Poverty Rate
3.8%
Unemployment
Housing
$326,700
Median Home Value
$1,473
Median Rent
63.2%
Homeownership
Education
91.8%
High School+
39.8%
Bachelor's+
Other Connecticut Congressional Districts
Largest cities in Connecticut
Largest counties in Connecticut
State rankings
Frequently Asked Questions
Connecticut's 3rd Congressional District (CT-3) has a population of 718,781 according to the latest Census ACS 5-Year estimates. Each US Congressional District is drawn to be roughly equal in population (~760K people).
The median household income in Connecticut's 3rd Congressional District is $87,886, with a per capita income of $47,773.
Connecticut's 3rd Congressional District is 65.1% White, 14.0% Black, 0.0% Asian, and 1.1% Hispanic or Latino, per Census ACS data.
More from Connecticut
Data for Connecticut's 3rd Congressional District (119th Congress) from the American Community Survey 5-Year estimates. Land area from the Census Gazetteer files. Congressional districts are redrawn after each decennial Census; the 119th Congress (current) uses post-2020 boundaries.
this entity is one of the data points covered by this site’s U.S. population demographics dataset. The detail above comes directly from the U.S. Census Bureau ACS and decennial files; the context that follows situates the headline numbers against the broader distribution across U.S. states, metros, cities, and ZIPs.
The methodology behind every numeric value on this page is publicly documented on the the U.S. Census Bureau ACS and decennial files portal and described in detail on this site’s methodology page. Refresh cadence varies by underlying series; the page surfaces the as-of date for each number so readers can trace any figure back to the source release.
Practical use of this page is in combination with the comparison and ranking pages elsewhere on the site, which surface the same data for this entity’s peers within U.S. states, metros, cities, and ZIPs. A single-entity reading without peer context can be misleading when an entity is an outlier on one axis but typical on another.
Source: U.S. Census Bureau ACS, 2026.