Population By Race and Ethnicity in Fairfield County, CT in 2018

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2018, the 945,511 population of Fairfield County, Connecticut comprised of 189,674 people who identified as Hispanic (20.06%), and 755,837 people who identified as Non-Hispanic (79.94%).

Race: The White Alone population was the largest racial group in Fairfield County, Connecticut with a population of 743,152 (78.6%); Black or African American Alone population was the second largest racial group with a population of 120,425 (12.74%); and Asian Alone was the third largest racial group with a population of 54,862 (5.8%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Fairfield County, Connecticut in 2018, with a population of 582,579 (61.62%); the second largest ethnic group was White Alone - Hispanic with a population of 160,573 (16.98%); and the third largest ethnic group was Black or African American Alone - Non Hispanic with a population of 103,797 (10.98%).

The charts and tables below shows the population and percentage of each racial and ethnicity group in Fairfield, Connecticut.

You can find similar information for other Connecticut counties, and for Connecticut.

See this for other years:
Hispanics and Non Hispanics in Fairfield County, CT in 2018
Total Population:
Race in Fairfield County, CT in 2018
Total Population:
Ethnicity in Fairfield County, CT in 2018
Total Population:
Population By Race in Fairfield , CT in 2018
Race Population Percentage
Black or African American Alone 120,425 12.74%
White Alone 743,152 78.6%
American Indian and Alaska Native Alone 5,620 0.59%
Asian Alone 54,862 5.8%
Native Hawaiian And Pacific Islander Alone 1,052 0.11%
Two Or More Races 20,400 2.16%
Population By Ethnicity in Fairfield , CT in 2018
Ethnicity Population Percentage
Black or African American Alone - Hispanic 16,628 1.76%
White Alone - Hispanic 160,573 16.98%
American Indian and Alaska Native Alone - Hispanic 4,289 0.45%
Asian Alone - Hispanic 1,231 0.13%
Native Hawaiian And Pacific Islander Alone - Hispanic 720 0.08%
Two Or More Races - Hispanic 6,233 0.66%
Black or African American Alone - Non Hispanic 103,797 10.98%
White Alone - Non Hispanic 582,579 61.62%
American Indian and Alaska Native Alone - Non Hispanic 1,331 0.14%
Asian Alone - Non Hispanic 53,631 5.67%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 332 0.04%
Two Or More Races - Non Hispanic 14,167 1.5%