Overview
20,574
Total Population
42.5
Median age
54.76%
Female population %
82.6:100
Gender ratio (M:F)
15-19 years
Largest age group
59.1
Total dependency ratio
White
Largest racial group
1,064
Hispanic population
Sources: U.S. Census Bureau, American Community Survey (ACS) 2021
TABLE OF CONTENTS
Age
New Canaan town's population is old compared to the rest of the country:
- The median age in New Canaan town is 42.5, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
- New Canaan town's population under 18 was 28.46%, compared to the 22.51% nationwide.
- New Canaan town's elderly or the senior population (over 65 age) was 14.85% as compared to 16.04% nationwide.
- Of the total population in New Canaan town, 22.28% were under the age of 15, 16.91% aged 15 to 29, 45.95% aged 30 to 64, 12.36% aged 65 to 84, and 2.49% were 85 years of age and older.

Read more about New Canaan, Connecticut population by age ➔
Gender
There are 1,960 more females than males in New Canaan town:
- The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 54.76% females and 45.24% males in New Canaan, Connecticut.
- The New Canaan, Connecticut gender ratio is 82.6:100 i.e. 82.6 men to 100 women (0.826).
- For male population, the largest age group is 15-19 years with a population of 891.
- For the female population, the largest age group is 15-19 years with a population of 1,139.

Read more about New Canaan, Connecticut population by gender ➔
Race / Ethnicity
New Canaan town's population has become increasingly diverse:
- Racial distribution of New Canaan town population: 88.66% are White, 0.70% are Black or African American, 0.03% are American Indian and Alaska Native, 6.45% are Asian, 0.02% are some other race and 4.14% are multiracial.
- New Canaan town's racial breakdown clearly shows that there is an absolute majority of White population in the town.
- By ethnicity, 1,064 is Hispanic or Latino (of any race), and 19,51 (94.83% of the total population) is Non-Hispanic.
- The largest racial group in New Canaan town is White with a population of 18,241 (88.66% of the total population).

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Year by year
New Canaan town's population has not reached its peak yet and is showing a trend of further growth:
- The peak population was 20,732 in the year 2021
- From 2000 to 2010, New Canaan town's population increased by 366 (1.88%), as compared to the national growth of 9.63%.
- From 2010 to 2020, New Canaan town's population increased by 739 (3.73%), 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 Canaan town's population was lowest in year 2000 at 19,437.

Read more about New Canaan, Connecticut 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)