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 2026 population of 13,071. Derby is currently growing at a rate of 1.13% annually and its population has increased by 6.17% since the most recent census, which recorded a population of 12,311 in 2020.

The median household income in Derby is $79,500 with a poverty rate of 10.76%. The median age in Derby is 46.4 years: 43.7 years for males, and 47 years for females. For every 100 females there are 93.6 males.

13.1K
Total Population
2,585
Density (mi²)
146 1.13%
Growth

Derby Population

Derby Population

Year ↓
Population
Growth
Annual Change
202613,0711461.13%
202512,925300.23%
202412,8954553.66%
202312,440610.49%
202212,379280.23%
202112,351400.32%
202012,311-16-0.13%
201912,326-74-0.6%
201812,400-119-0.95%
201712,519-31-0.25%
201612,550-60-0.48%
201512,610-166-1.3%
201412,776-32-0.25%
201312,808-34-0.26%
201212,84290.07%
201112,833-45-0.35%
201012,878-24-0.19%
200012,3911921.57%
199012,199-147-1.19%
198012,346-253-2.01%
197012,5994673.85%
196012,1321,87318.26%
195010,259-28-0.27%
194010,287-501-4.64%
193010,788-450-4%
192011,2382,24724.99%
19108,9911,06113.38%
19007,93000%

Median Age

Overall: 46.4 years
Female: 47 years
Male: 43.7 years

Derby Adults

There are 10,662 adults, (2,632 of whom are seniors) in Derby.

Sex Ratio

Female: 6,451 (51.7%)
Male: 6,036 (48.3%)

Demographics

The racial composition of Derby includes 64.84% White, 12.36% other race, 12% Black or African American, and smaller percentages for Asian, Native American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White8,09764.84%
Other race1,54412.36%
Black or African American1,49812%
Two or more races1,0038.03%
Asian3132.51%
Native American320.26%
Race
Population ↓
Percentage (of total)
Other race1,29710.39%
White9047.24%
Two or more races4893.92%
Black or African American860.69%
Native American180.14%
Race
Population ↓
Percentage (of total)
White7,19357.6%
Black or African American1,41211.31%
Two or more races5144.12%
Asian3132.51%
Other race2471.98%
Native American140.11%

Derby Marital Status

Economics and Income Statistics

Derby's average per capita income is $54,069. Household income levels show a median of $79,500. The poverty rate stands at 10.76%.

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$126,107-
Families$108,566$117,486
Households$79,500$94,431
Non Families$46,176$61,961

$54,069

Average Income

$79,500

Median Household Income

10.76%

Poverty Rate

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)