New London County CT Information


New London County Subdivisions

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


Total Population 276,496
Daytime Population: Workers 154,270
Daytime Population: Residents 123,504
Total Daytime Population (TDP) 277,774
Ratio TDP/Total Population1 1.00
Population in Households 264,437
Population in Familes 209,656
Population in Group Qrtrs 12,059
Population Density2 416
Diversity Index3 49


Median Household Income $68,767
Average Household Income $92,354
Per Capita Income $36,845


Total Housing Units 123,915 (100%)
Owner Occupied HU 70,004 (56.5%)
Renter Occupied HU 37,733 (30.5%)
Vacant Housing Units 16,178 (13.1%)
Median Home Value $261,282
Average Home Value $311,320


Total Households 107,737
Average Household Size 2.45
Family Households 69,827
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 0.12% 0.23%
Households 0.09% 0.19%
Families -0.01% 0.13%
Median Household Income   2.23%
Per Capita Income   2.48%


New London County CT - Peer Comparisons by Rank and Percentile

The table below compares New London 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 # 4 63rd
Population Density # 5 50th
Diversity Index # 4 63rd
Median Household Income # 5 50th
Per Capita Income # 6 38th

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