Ansonia, Connecticut Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Ansonia, Connecticut is 18,951 as of the 2023 American Community Survey, making it the 26th-largest city in Connecticut. The median household income is $80,585, the median home value is $269,300, and the median age is 39.9.
The population has declined 0.4% since 2010 (19,275 → 19,195).
18,951
Population
3149
People / sq mi
$80,585
Median Income
$269,300
Median Home Value
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Ansonia covers 6.0 sq mi of land at 3149 people per square mile.
About Ansonia, CT
Ansonia is defined demographically by education — 22.7% of adults hold a bachelor’s degree, below the national average. Ansonia is a city in Connecticut with a population of 18,951. It ranks #26 among cities in Connecticut by population.
Median household income is $80,585, near the US median of $78,538. Poverty runs at 6.7%, below the national 12.4%. Median home value is $269,300, with typical rent around $1,405.
Degree attainment is on the lower side for US cities: 22.7% of adults hold a bachelor’s degree, below the national 35.0%. Remote work is below the national 14.0% at 9.8%, and the average commute runs about 26 minutes each way.
Ansonia city Population History (2010-2024)
The city of Ansonia city had a population of 19,275 in 2010 and 19,195 in 2024, a -0.4% growth over 14 years. The peak was 19,275 in 2010. Average annual growth rate: -0.03%.
19,195
Population (2024)
19,275
Population (2010)
19,275
Peak (2010)
-0.03%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 19,275 |
| 2011 | 19,234 |
| 2012 | 19,230 |
| 2013 | 19,087 |
| 2014 | 19,050 |
| 2015 | 18,941 |
| 2016 | 18,828 |
| 2017 | 18,774 |
| 2018 | 18,755 |
| 2019 | 18,654 |
| 2020 | 18,896 |
| 2021 | 18,940 |
| 2022 | 18,962 |
| 2023 | 19,085 |
| 2024 | 19,195 |
Race & Ethnicity
| White | 53.9% |
| Black or African American | 18.1% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 0.9% |
| Two or More Races | 0.0% |
Economy & Income
$80,585
Median Household Income
$45,144
Per Capita Income
6.7%
Poverty Rate
5.6%
Unemployment Rate
Housing
$269,300
Median Home Value
$1,405
Median Rent
58.6%
Owner-Occupied
Education
89.4%
High School+
22.7%
Bachelor's+
Commute
2.4%
Drive Alone
70.1%
Public Transit
9.8%
Work From Home
25.6 min
Avg Commute
Community Profile
17.0%
Foreign Born
74.9%
Non-English at Home
4.8%
Veterans
11.0%
With Disability
94.0%
Health Insurance
95.4%
Internet Access
Employment by Industry
| Professional, Scientific & Management | 26.4% |
| Education, Health Care & Social Services | 13.4% |
| Manufacturing | 11.2% |
| Finance, Insurance & Real Estate | 9.0% |
| Retail Trade | 6.1% |
| Arts, Entertainment & Food Services | 6.0% |
| Information | 4.9% |
| Construction | 4.6% |
| Public Administration | 3.6% |
| Transportation & Warehousing | 0.9% |
Largest cities in Connecticut
Largest counties in Connecticut
Part of Connecticut
Metro areas in Connecticut
City rankings
Frequently Asked Questions
Ansonia, Connecticut has a population of 18,951 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 26th-largest city in Connecticut.
The median household income in Ansonia, Connecticut is $80,585, with 6.7% of residents living below the federal poverty level.
The median home value in Ansonia, Connecticut is $269,300, with median monthly rent at $1,405 and a homeownership rate of 58.6%.
The median age in Ansonia, Connecticut is 39.9 years. The population is 47.8% male and 52.2% female.
The population has declined 0.4% since 2010 (19,275 → 19,195).
Where to stay in Ansonia
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.