Fairfield County CT Information


Fairfield County Subdivisions

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


Total Population 964,796
Daytime Population: Workers 499,809
Daytime Population: Residents 483,297
Total Daytime Population (TDP) 983,106
Ratio TDP/Total Population1 1.02
Population in Households 944,949
Population in Familes 783,456
Population in Group Qrtrs 19,847
Population Density2 1,544
Diversity Index3 65


Median Household Income $89,347
Average Household Income $138,411
Per Capita Income $50,347


Total Housing Units 373,678 (100%)
Owner Occupied HU 228,181 (61.1%)
Renter Occupied HU 119,621 (32.0%)
Vacant Housing Units 25,876 ( 6.9%)
Median Home Value $460,564
Average Home Value $571,371


Total Households 347,802
Average Household Size 2.72
Family Households 239,935
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 0.71% 0.64%
Households 0.5% 0.55%
Families 0.41% 0.49%
Median Household Income   2.54%
Per Capita Income   2.17%


Fairfield County CT - Peer Comparisons by Rank and Percentile

The table below compares Fairfield 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 # 1 100th
Population Density # 1 100th
Diversity Index # 2 88th
Median Household Income # 1 100th
Per Capita Income # 1 100th

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