Derby, CT Demographics

A map of Derby's Population by Race

Derby, Connecticut has an estimated population of 12,487, a slight increase from the 12,325 recorded in the 2020 Census. The population is 57.6% White, 22.4% Hispanic, 11.3% Black, 4.1% Multiracial, 2.5% Asian, and 2.1% Native American/Other. This demographic dot map shows the population of Derby, with one dot drawn for each person counted by the Census, color-coded by race.

Derby has become more racially diverse since the 2020 Census. It is more diverse than Connecticut overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Derby, that probability was 56.4% in 2020 and 60.3% in the most recent ACS estimates.

Derby is ranked the 33rd most populous place in Connecticut, out of 215 places. This ranking is based on the Census definition of a place, which includes incorporated places like cities, towns, and villages, as well as unincorporated census-designated places (CDPs). Derby was ranked the 33rd most populous place in the 2020 Census.

Derby's White Population

7,193 residents of Derby, or 57.6% of the population, identify as White. The share of White residents in Derby is slightly lower than in Connecticut overall, where 61.9% of the population is White. Derby ranks 192nd statewide in terms of White residents as a share of the population, out of 215 places.

Since the 2020 Census, Derby's White population has declined by an estimated 5.3%. White residents' share of Derby's population has decreased from 61.6% to 57.6%.

Derby is more White than neighboring Ansonia (52.6% White). Derby is less White than neighboring Shelton (66.6% White), Orange (79.6% White), Oronoque (78.9% White), and Milford city (balance) (80.2% White).

Derby's Black Population

1,412 residents of Derby, or 11.3% of the population, identify as Black. The share of Black residents in Derby is comparable to the share in Connecticut overall, where 9.8% of the population is Black. Derby ranks 19th statewide in terms of Black residents as a share of the population, out of 215 places.

Since the 2020 Census, Derby's Black population has grown by an estimated 2.8%. Black residents' share of Derby's population has remained roughly unchanged at 11.3%.

Derby is more Black than neighboring Shelton (6.7% Black), Orange (4.7% Black), Oronoque (1.1% Black), and Milford city (balance) (3% Black). Derby is less Black than neighboring Ansonia (13.1% Black).

Derby's Asian Population

313 residents of Derby, or 2.5% of the population, identify as Asian. The share of Asian residents in Derby is slightly lower than in Connecticut overall, where 4.7% of the population is Asian. Derby ranks 107th statewide in terms of Asian residents as a share of the population, out of 215 places.

Since the 2020 Census, Derby's Asian population has declined by an estimated 6.8%. Asian residents' share of Derby's population has remained roughly unchanged at 2.5%.

Derby is more Asian than neighboring Ansonia (2% Asian), and Oronoque (0.9% Asian). Derby is less Asian than neighboring Shelton (8.7% Asian), Orange (8.4% Asian), and Milford city (balance) (3.7% Asian).

Derby's Hispanic Population

2,794 residents of Derby, or 22.4% of the population, identify as Hispanic. The share of Hispanic residents in Derby is slightly higher than in Connecticut overall, where 18.3% of the population is Hispanic. Derby ranks 19th statewide in terms of Hispanic residents as a share of the population, out of 215 places.

Since the 2020 Census, Derby's Hispanic population has grown by an estimated 9.8%. Hispanic residents' share of Derby's population has increased from 20.6% to 22.4%.

Derby is more Hispanic than neighboring Shelton (12.6% Hispanic), Orange (3.9% Hispanic), Oronoque (6.7% Hispanic), and Milford city (balance) (9.5% Hispanic). Derby is less Hispanic than neighboring Ansonia (27.7% Hispanic).

Derby's Native American/Other Population

261 residents of Derby, or 2.1% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Derby is comparable to the share in Connecticut overall, where 1% of the population is Native American/Other. Derby ranks 90th statewide in terms of Native American/Other residents as a share of the population, out of 215 places.

Since the 2020 Census, Derby's Native American/Other population has grown by an estimated 200.0%. Native American/Other residents' share of Derby's population has increased from 0.7% to 2.1%.

Derby is more Native American/Other than neighboring Ansonia (0.4% Native American/Other), Shelton (1.6% Native American/Other), Orange (0.8% Native American/Other), and Milford city (balance) (0.7% Native American/Other). Derby is less Native American/Other than neighboring Oronoque (7.1% Native American/Other).

Derby's Multiracial Population

514 residents of Derby, or 4.1% of the population, identify as Multiracial. The share of Multiracial residents in Derby is comparable to the share in Connecticut overall, where 4.3% of the population is Multiracial. Derby ranks 151st statewide in terms of Multiracial residents as a share of the population, out of 215 places.

Since the 2020 Census, Derby's Multiracial population has grown by an estimated 31.8%. Multiracial residents' share of Derby's population has increased from 3.2% to 4.1%.

Derby is more Multiracial than neighboring Shelton (3.7% Multiracial), Orange (2.6% Multiracial), and Milford city (balance) (2.9% Multiracial). Derby is less Multiracial than neighboring Ansonia (4.2% Multiracial), and Oronoque (5.4% Multiracial).

Sources: Most recent population estimates are from the 2020-2024 American Community Survey 5-Year Estimates. 2020 population counts and map data are from 2020 Census State Redistricting Data. Geographic data are from Census TIGER/Line Shapefiles.