New London County, CT Population

The population of New London County is 269,131, according to the U.S. Census Bureau ACS estimates.
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Updated Jun 23, 2023
Overview
269,131
Total Population
41.4
Median age
49.65%
Female population %
101.4:100
Gender ratio (M:F)
55-59 years
Largest age group
52.0
Total dependency ratio
White
Largest racial group
30,806
Hispanic population

Sources: U.S. Census Bureau, American Community Survey (ACS) 2021

Age

New London County's population is old compared to the rest of the country:

  • The median age in New London County is 41.4, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
  • New London County's population under 18 was 19.55%, compared to the 22.51% nationwide.
  • New London County's elderly or the senior population (over 65 age) was 18.34% as compared to 16.04% nationwide.
  • Of the total population in New London County, 15.89% were under the age of 15, 20.17% aged 15 to 29, 45.60% aged 30 to 64, 15.99% aged 65 to 84, and 2.35% were 85 years of age and older.
The graph shows New London County's population by age group, with age group on x-axis and the respective age group's percent of the total population on y-axis
New London County, CT population by age group. The largest age group was 55-59 years with a poulation of 21,261 (7.90% of the total population). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

Read more about New London County, CT population by age ➔

Gender

There are 1,897 less females than males in New London County:

  • The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 49.65% females and 50.35% males in New London County, CT.
  • The New London County, CT gender ratio is 101.4:100 i.e. 101.4 men to 100 women (1.014).
  • For male population, the largest age group is 20-24 years with a population of 11,113.
  • For the female population, the largest age group is 55-59 years with a population of 11,139.
The grouped bar chart shows New London County, CT population by age and gender across 18 age groups, defined between the age of 0 and 85 and above. The female population is shown in pink color bar and male population is shown in blue color bar. Age group is plotted on x axis and population on y axis.
California population by gender and age. Largest age group (population): Male # 20-24 years (11,113) | Female # 55-59 years (11,139). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

Read more about New London County, CT population by gender ➔

Race / Ethnicity

New London County's population has become increasingly diverse:

  • Racial distribution of New London County population: 78.47% are White, 5.98% are Black or African American, 0.53% are American Indian and Alaska Native, 4.11% are Asian, 0.01% are Native Hawaiian and other Pacific Islander, 3.71% are some other race and 7.19% are multiracial.
  • New London County's racial breakdown clearly shows that there is an absolute majority of White population in the county.
  • By ethnicity, 30,806 is Hispanic or Latino (of any race), and 238,325 (88.55% of the total population) is Non-Hispanic.
  • The largest racial group in New London County is White with a population of 211,182 (78.47% of the total population).
The bar chart shows New London County, CT population by race, in percentage. The numbers shown are based on the American Community Survey respondents self identified race. The Hispanic and Latino population is spread across the races identified and not as a separate race category.
New London County, CT population by race. The largest racial group in New London County is White with a population of 211,182 (78.47% of the total population). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

Read more about New London County, CT population by race ➔

Year by year

New London County's population has already reached its peak and is showing a trend of decline:

  • The peak population was 274,173 in the year 2012
  • From 2000 to 2010, New London County's population increased by 14,308 (5.51%), as compared to the national growth of 9.63%.
  • From 2010 to 2020, New London County's population decreased by 5,771 (2.11%), 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 2021, New London County's population was lowest in year 2000 at 259,711.
The graph shows New London County's population from 2000 to 2021, with years on x-axis and population on y-axis
New London County's population from 2000 to 2021. The estimated population at the end of 2021 was 268,805. Source: U.S. Census Bureau (Population Estimates Program)

Read more about New London County, CT population by year ➔

References

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New London County, CT Demographics

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Neilsberg Research
Neilsberg Research team are data scientists with expertise in processing, analysis and visualization of big data helping small businesses make right decisions.

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