New Haven County CT Information


New Haven County Subdivisions

New Haven County CT Data & Demographics (As of July 1, 2015)


Total Population 864,690
Population in Households 835,032
Population in Familes 668,081
Population in Group Qrtrs 29,658
Population Density1 1,430
Diversity Index2 61


Total Households 335,606
Average Household Size 2.49
Family Households 215,739
Average Family Size 3


Total Housing Units 365,857 (100%)
Owner Occupied HU 204,246 (55.8%)
Renter Occupied HU 131,360 (35.9%)
Vacant Housing Units 30,251 ( 8.3%)
Median Home Value $233,148
Average Home Value $273,027


Median Household Income $59,840
Average Household Income $81,878
Per Capita Income $32,222
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.05% 0.08%
Households 0.06% 0.09%
Families 0.0% 0.04%
Median Household Income   3.12%
Per Capita Income   2.52%
1) Population Density = Total Population per square mile.
2) The Diversity Index is a scale of 0 to 100 that represents the likelyhood 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.
Based on Census 2010 counts, the Diversity Index for the United States was 60.6 and it is expected to increase to 64.8 by July 1, 2018.


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, 2015 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 Density1 # 2 88th
Diversity Index2 # 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.