Connecticut Hispanic or Latino of All Races Citizen Population By County in 2018 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2018, the Hispanic or Latino of All Races citizen population for Connecticut was 144,755 and represented 4.35% of the total Connecticut citizen population.

Among all Connecticut counties, Hartford had the highest Hispanic or Latino of All Races citizen population (143.60K), followed by New Haven (132.68K), and Fairfield (131.13K).

In terms of percentages, Hartford had the highest percentage of its citizen population being Hispanic or Latino of All Races (17.22%), followed by New Haven (16.43%), and Fairfield (15.69%).

The chart and table below shows the Hispanic or Latino of All Races citizen population of each county and the percentage of each county's citizen population that were Hispanic or Latino of All Races.

You can see similar information for other states and by state for the United States.

You can also see similar information for other ethnicities.

See this for other years:
Connecticut Hispanic or Latino of All Races Citizen Population By County in 2018
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County Citizen Population % of County Citizen Population
Hartford 143595 17.22
New Haven 132675 16.43
Fairfield 131125 15.69
New London 24655 9.51
Windham 11915 10.50
Litchfield 8995 5.10
Middlesex 8850 5.60
Tolland 7555 5.16