The Census Bureau has released the 2017 population estimates for all towns in Connecticut. 

From July 1, 2016 to July 1, 2017: 

  • Connecticut's net population grew by an estimated 499 people. 
  • Stamford tops the list as the town with the highest numeric increase of people, estimated at 1,170 people 
  • While Bloomfield had the highest percent increase from 2016 to 2017, with a 3.9% increase. 

The following table lists the top 15 towns with the largest numeric population increase between July 1, 2016 to July 1, 2017:

Rank Town Numeric Increase 2017 Population
1 Stamford 1,170 130,824
2 Bloomfield 802 21,406
3 Simsbury 524 24,952
4 Fairfield 408 62,105
5 Milford 292 54,508
6 New Haven 246 131,014
7 South Windsor 244 25,937
8 Stafford 143 11,949
9 Ellington 138 16,195
10 Vernon 108 29,289
11 Killingly 103 17,172
12 Norwalk 101 89,005
13 Colchester 92 16,029
14 Bethel 86 19,802
15 Granby 77 11,357

The following table lists the top 15 towns with the largest percent population increase between July 1, 2016 to July 1, 2017:

Rank Town Percent Increase 2017 Population
1 Bloomfield 3.9 21,406
2 Simsbury 2.1 24,952
3 Stafford 1.2 11,949
4 Stamford 0.9 130,824
5 South Windsor 0.9 25,937
6 Ellington 0.9 16,195
7 Fairfield 0.7 62,105
8 Granby 0.7 11,357
9 Essex 0.7 6,588
10 Beacon Falls 0.7 6,168
11 Middlebury 0.7 7,725
12 Willington 0.7 5,921
13 Colchester 0.6 16,029
14 Killingly 0.6 17,172
15 Milford 0.5 54,508

The following table lists the top 15 towns with the largest percent growth rate between July 1, 2010 to July 1, 2017. Percent Growth Rate is presented as the percentage of the 2010 population that has increased over the seven year period.

Rank Town 2010 Population 2017 Population Percent Growth Rate
1 Bethel 18,640 19,802 0.9
2 Stamford 122,839 130,824 0.9
3 Westport 26,448 28,042 0.9
4 Simsbury 23,519 24,952 0.9
5 Darien 20,778 21,887 0.8
6 Chester 4,025 4,254 0.8
7 Danbury 81,355 85,246 0.7
8 Brookfield 16,473 17,133 0.6
9 Fairfield 59,729 62,105 0.6
10 Shelton 39,629 41,397 0.6
11 Bloomfield 20,496 21,406 0.6
12 Norwalk 86,009 89,005 0.5
13 Burlington 9,318 9,640 0.5
14 Milford 52,815 54,508 0.5
15 Prospect 9,447 9,797 0.5

Some towns in Connecticut have grown in population since 2010, but some have also lost population. Take a look to see your town's Population Growth Rate below:


2010-2017 Population Growth