Derby, Connecticut Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Derby, Connecticut is 12,359 as of the 2023 American Community Survey, making it the 33rd-largest city in Connecticut. The median household income is $76,263, the median home value is $242,300, and the median age is 46.3.
The population has grown 0.3% since 2010 (12,878 → 12,915).
12,359
Population
2444
People / sq mi
$76,263
Median Income
$242,300
Median Home Value
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Derby covers 5.1 sq mi of land at 2444 people per square mile.
About Derby, CT
Derby skews on age — the median resident is 46.3, older than the national median. With 12,359 residents, Derby is a city in Connecticut. It ranks #33 among cities in Connecticut by population.
The typical household here earns about $76,263, near the US median of $78,538. Only 4.1% of residents live in poverty, below the national 12.4%. Homes carry a median value of $242,300, with typical rent around $1,453.
Roughly 33.2% of adults have a bachelor’s, below the national 35.0%. Around 15.3% of workers work from home, above the national 14.0%, and the average commute runs about 27 minutes each way.
The age structure shapes everything downstream in Derby — from housing demand to the mix of working-age earners reflected in the income figures above.
Derby city Population History (2010-2024)
The city of Derby city had a population of 12,878 in 2010 and 12,915 in 2024, a 0.3% growth over 14 years. The peak was 12,915 in 2024. Average annual growth rate: 0.03%.
12,915
Population (2024)
12,878
Population (2010)
12,915
Peak (2024)
0.03%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 12,878 |
| 2011 | 12,832 |
| 2012 | 12,840 |
| 2013 | 12,803 |
| 2014 | 12,772 |
| 2015 | 12,606 |
| 2016 | 12,547 |
| 2017 | 12,518 |
| 2018 | 12,402 |
| 2019 | 12,339 |
| 2020 | 12,312 |
| 2021 | 12,350 |
| 2022 | 12,376 |
| 2023 | 12,447 |
| 2024 | 12,915 |
Race & Ethnicity
| White | 68.5% |
| Black or African American | 13.4% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 0.6% |
| Two or More Races | 0.0% |
Economy & Income
$76,263
Median Household Income
$45,781
Per Capita Income
4.1%
Poverty Rate
4.4%
Unemployment Rate
Housing
$242,300
Median Home Value
$1,453
Median Rent
62.2%
Owner-Occupied
Education
89.0%
High School+
33.2%
Bachelor's+
Commute
0.3%
Drive Alone
70.1%
Public Transit
15.3%
Work From Home
27.4 min
Avg Commute
Community Profile
19.6%
Foreign Born
77.3%
Non-English at Home
7.5%
Veterans
11.2%
With Disability
96.1%
Health Insurance
87.6%
Internet Access
Employment by Industry
| Professional, Scientific & Management | 27.1% |
| Finance, Insurance & Real Estate | 12.1% |
| Manufacturing | 9.6% |
| Information | 9.4% |
| Education, Health Care & Social Services | 8.5% |
| Arts, Entertainment & Food Services | 7.3% |
| Construction | 7.2% |
| Retail Trade | 5.8% |
| Public Administration | 3.3% |
| Transportation & Warehousing | 1.5% |
Largest cities in Connecticut
Largest counties in Connecticut
Part of Connecticut
Metro areas in Connecticut
City rankings
Frequently Asked Questions
Derby, Connecticut has a population of 12,359 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 33rd-largest city in Connecticut.
The median household income in Derby, Connecticut is $76,263, with 4.1% of residents living below the federal poverty level.
The median home value in Derby, Connecticut is $242,300, with median monthly rent at $1,453 and a homeownership rate of 62.2%.
The median age in Derby, Connecticut is 46.3 years. The population is 47.2% male and 52.8% female.
The population has grown 0.3% since 2010 (12,878 → 12,915).
Where to stay in Derby
Visiting or relocating to Derby, CT? Compare hotels and short-term rentals across the metro — live availability and prices.
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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.