Overview
12,387
Total Population
46.8
Median age
55.04%
Female population %
81.7:100
Gender ratio (M:F)
30-34 years
Largest age group
51.9
Total dependency ratio
White
Largest racial group
2,187
Hispanic population
Sources: U.S. Census Bureau, American Community Survey (ACS) 2021
TABLE OF CONTENTS
Age
Derby's population is old compared to the rest of the country:
- The median age in Derby is 46.8, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
- Derby's population under 18 was 15.77%, compared to the 22.51% nationwide.
- Derby's elderly or the senior population (over 65 age) was 21.72% as compared to 16.04% nationwide.
- Of the total population in Derby, 12.43% were under the age of 15, 15.31% aged 15 to 29, 50.54% aged 30 to 64, 19.40% aged 65 to 84, and 2.32% were 85 years of age and older.
Read more about Derby, CT population by age ➔
Gender
There are 1,249 more females than males in Derby:
- The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 55.04% females and 44.96% males in Derby, CT.
- The Derby, CT gender ratio is 81.7:100 i.e. 81.7 men to 100 women (0.817).
- For male population, the largest age group is 65-69 years with a population of 665.
- For the female population, the largest age group is 30-34 years with a population of 692.
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Race / Ethnicity
Derby's population has become increasingly diverse:
- Racial distribution of Derby population: 76.79% are White, 11.29% are Black or African American, 0.11% are American Indian and Alaska Native, 1.77% are Asian, 5.17% are some other race and 4.87% are multiracial.
- Derby's racial breakdown clearly shows that there is an absolute majority of White population in the city.
- By ethnicity, 2,187 is Hispanic or Latino (of any race), and 10,2 (82.34% of the total population) is Non-Hispanic.
- The largest racial group in Derby is White with a population of 9,512 (76.79% of the total population).
Read more about Derby, CT population by race ➔
Year by year
Derby's population has already reached its peak and is showing a trend of decline:
- The peak population was 12,878 in the year 2010
- From 2000 to 2010, Derby's population increased by 500 (4.04%), as compared to the national growth of 9.63%.
- From 2010 to 2020, Derby's population decreased by 567 (4.40%), according to Census Bureau's Population Estimates Program. For the same period, the rate of growth for the United States was 7.17%.
- Between the year 2000 and 2022, Derby's population was lowest in year 2020 at 12,311.
Read more about Derby, CT population by year ➔
References
- U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates
- U.S. Census Bureau Population Estimates Population Estimates Program (PEP)