New London County Population 2017

New London County's estimated population is 269,801 with a growth rate of -0.31% in the past year according to the most recent United States census data. New London County is the 4th largest county in Connecticut.

Year Population Growth Growth Rate
2016269,801-838-0.31%
2015270,639-1,414-0.52%
2014272,053-1,352-0.49%
2013273,405-862-0.31%
2012274,2671,0410.38%
2011273,226-846-0.31%
2010274,07219,1157.50%
1990254,95716,5486.94%
1980238,4098,0613.50%
1970230,34844,60324.01%
1960185,74540,92428.26%
1950144,82119,59715.65%
1940125,2246,2585.26%
1930118,96614,35513.72%
1920104,61113,35814.64%
191091,2538,49510.26%
190082,7586,1247.99%
189076,6343,4824.76%
188073,1526,5829.89%
187066,5704,8397.84%
186061,7319,91019.12%
185051,8217,35816.55%
184044,4632,2625.36%
183042,2016,25817.41%
182035,9431,2363.56%
181034,707-176-0.50%
180034,8831,6835.07%
179033,2000.00%

New London County Population Growth

Population Data via

New London County Race Data

Race Population Percentage
White227,11884.18%
Black or African American18,5456.87%
Asian12,0134.45%
Two or More Races9,4593.51%
American Indian and Alaska Native3,0891.14%
Native Hawaiian and Other Pacific Islander4150.15%

New London County Population Pyramid

0k2k4k6k8k10k12kNew London County Male Population0k2k4k6k8k10k12kNew London County Female Population

Population of Cities in New London County

City 2010 Census 2016 Estimated Growth Growth Rate
Norwich4049639556-940-2.32%
New London2762026984-636-2.30%
Groton93899134-255-2.72%
Jewett City34873406-81-2.32%
Stonington929900-29-3.12%
Data Sources
  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990