Derby city, Connecticut Demographics & Population 2026
As of 2026, Derby city, Connecticut has a total population of 12,359, the 33rd largest city in Connecticut, with a median household income of $76,263, which is 19% lower than the state average. The poverty rate is 9.3%.
Derby city Quick Facts
How Derby city Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A diverse community with significant representation from multiple racial and ethnic groups.
State average: 56 | National average: 60
Education
Educational Attainment (Adults 25+)
Derby city Rankings in Connecticut
Explore Connecticut Rankings
Cities Similar to Derby city
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Windsor Locks CDP | 12,555 | $90,417 | $236,800 | 26.4% | 9.6% |
| Bethel CDP | 11,606 | $88,344 | $377,500 | 38.4% | 5.9% |
| Groton city | 9,343 | $69,811 | $278,900 | 34.7% | 19.5% |
| Oakville CDP | 9,233 | $89,330 | $253,500 | 30.0% | 2.5% |
| Kensington CDP | 9,936 | $105,000 | $304,400 | 40.4% | 6.3% |
Population Overview
Derby city is a small city located in Connecticut. The total population is 12,359. It ranks as the 33rd most populous out of 215 cities and towns in Connecticut.
Age Demographics
The median age in Derby city is 46.3 years. This is 12% higher than the state median of 41.2 years.
Economy, Income & Housing
The median household income in Derby city is $76,263. This is 19% lower than the state median of $93,760. Compared to the national median of $78,538, household income here is 3% lower. The poverty rate stands at 9.3%. This is 8% lower than the state poverty rate of 10.0%. The unemployment rate is 7.0%. This is 24% higher than the state rate of 5.7%. The median home value is $242,300. Housing costs are 29% lower than the state median of $343,200. The home-value-to-income ratio is 3.2x. 62.2% of occupied housing units are owner-occupied. This homeownership rate is 6% lower than the state average of 66.2%.
Race & Ethnicity
The largest racial or ethnic group in Derby city is White (non-Hispanic), making up 58.9% of the population. Hispanic or Latino residents account for 20.9%. The Asian population (1.9%) is well below the state average of 4.7%.
Education
33.2% of residents aged 25 and older hold a bachelor's degree or higher. This is 21% lower than the state rate of 41.9%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 89.0%.
Data Sources & Methodology
All demographic data for Derby city, Connecticut is sourced from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates (2019-2023). The ACS collects data from approximately 3.5 million households annually, providing reliable estimates for communities of all sizes. Comparisons are made against Connecticut state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 215 Census-designated places in Connecticut. For official data, visit data.census.gov.
Free data download: Get all Connecticut city and county demographics as CSV. Download Cities CSV | Download Counties CSV
Frequently Asked Questions
What is the population of Derby city, Connecticut?
Derby city, Connecticut has a population of 12,359 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Derby city, CT?
The median household income in Derby city is $76,263, which is 3% lower the national median of $78,538.
What is the poverty rate in Derby city, CT?
The poverty rate in Derby city is 9.3%. This means approximately 1,138 residents live below the federal poverty line.
What is the racial makeup of Derby city, Connecticut?
Derby city's population is 58.9% White, 11.3% Black, 20.9% Hispanic/Latino, and 1.9% Asian.
What is the median home value in Derby city, CT?
The median home value in Derby city is $242,300. The home-value-to-income ratio is 3.2x.
How educated is Derby city, Connecticut?
33.2% of adults (25+) in Derby city hold a bachelor's degree or higher, and 14.7% hold a graduate or professional degree.