New Haven County CT Information


New Haven County Subdivisions

New Haven County CT Data & Demographics (As of July 1, 2017)


Total Population 873,829
Daytime Population: Workers 408,597
Daytime Population: Residents 439,073
Total Daytime Population (TDP) 847,670
Ratio TDP/Total Population1 0.97
Population in Households 844,122
Population in Familes 672,322
Population in Group Qrtrs 29,707
Population Density2 1,446
Diversity Index3 63


Median Household Income $63,681
Average Household Income $90,162
Per Capita Income $35,306


Total Housing Units 365,871 (100%)
Owner Occupied HU 202,793 (55.4%)
Renter Occupied HU 132,333 (36.2%)
Vacant Housing Units 30,745 ( 8.4%)
Median Home Value $263,970
Average Home Value $310,455


Total Households 335,126
Average Household Size 2.52
Family Households 214,631
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population 0.18% 0.18%
Households 0.03% 0.09%
Families -0.07% 0.02%
Median Household Income   2.27%
Per Capita Income   2.38%


New Haven County CT - Peer Comparisons by Rank and Percentile

The table below compares New Haven County to the other 8 counties and county equivalents in Connecticut by rank and percentile using July 1, 2017 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 3 75th
Population Density # 2 88th
Diversity Index # 3 75th
Median Household Income # 7 25th
Per Capita Income # 7 25th

Additional comparisons and rankings can be made with a VERY EASY TO USE Connecticut Census Data Comparison Tool.