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
Ansonia covers 6.0 sq mi of land at 3149 people per square mile.
About Ansonia, CT
Ansonia is a city in Connecticut with a population of 18,951. It ranks #26 among cities in Connecticut by population. The median age is 39.9, in line with the national median. The population is 47.8% male and 52.2% female.
The median household income in Ansonia is $80,585, above the US median of $74,580. 6.7% of residents live below the federal poverty level. Home values sit at a median of $269,300, with monthly rent averaging $1,405. The homeownership rate of 58.6% is lower than the national rate of 64.8%.
Educational attainment in Ansonia reflects 22.7% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 9.8% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 25.6 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).
More from Connecticut
Population 148,012
Population 135,806
Population 132,893
Population 119,970
Population 114,356
Full rankings of Connecticut cities by population
Statewide data for Connecticut
Population, race, income, age, and trends across Connecticut
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.