Derby Flag

Derby

County Seat:
No
Area (mi²):
5.056
State:
Connecticut

Derby is a city located in Naugatuck Valley Planning Region, Connecticut. Derby has a 2025 population of 12,915 . Derby is currently growing at a rate of 3.76% annually and its population has increased by 4.9% since the most recent census, which recorded a population of 12,312 in 2020.

The median household income in Derby is $76,263 with a poverty rate of 9.25%. The median age in Derby is 46.3 years: 46.5 years for males, and 46.2 years for females. For every 100 females there are 89.5 males.

12.9K
Total Population
2,555
Density (mi²)
468 3.76%
Growth

Derby Population

Derby Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Derby includes 68.54% White, 13.35% Black or African American, 8.48% other race, and smaller percentages for Asian, Native American and multiracial populations.

Population by Race

White (68.54%)

Black or African American (13.35%)

Other race (8.48%)

Two or more races (7.39%)

Asian (1.92%)

Native American (0.32%)

Race
Population
Percentage (of total)
White8,47168.54%
Black or African American1,65013.35%
Other race1,0488.48%
Two or more races9137.39%
Asian2371.92%
Native American400.32%

Derby Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Derby's average per capita income is $55,046. Household income levels show a median of $76,263. The poverty rate stands at 9.25%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median
Mean
Married Families$114,271-
Families$107,074$119,892
Households$76,263$92,848
Non Families$38,511$55,083

$55,046

Average Income

$76,263

Median Household Income

9.25%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)