Population of Connecticut 2021
Population
Connecticut has 3,574,097 residents (as of the 2010 US Census), of which 71.2 percent are white (excluding Hispanics and Latinos), 13.4 percent Hispanics or Latinos, 10.1 percent are black or African-American, and 3.8 percent are Asian-Americans and 0.3 percent Indians. 322,941 residents (9.0 percent of the total population) stated in the American Community Survey in 2014 that they had German ancestors.
Religion
The religious communities with the largest number of members in 2000 were the Roman Catholic Church in the United States with 1,372,562, the United Church of Christ with 124,770 and the Anglican Episcopal Church with 73,550. Jewish communities had 108,280 members.
Top Counties by Population in Colorado
| Rank | County Name | Population | Population Density (per km²) |
| 1 | El Paso County | 622,274 | 112.87 |
| 2 | City and County of Denver | 600,169 | 1,489.25 |
| 3 | Arapahoe County | 572,014 | 274.61 |
| 4 | Jefferson County | 534,554 | 267.01 |
| 5 | Adams County | 441,614 | 144.22 |
| 6 | Larimer County | 299,641 | 43.96 |
| 7 | Boulder County | 294,578 | 153.59 |
| 8 | Douglas County | 285,476 | 130.83 |
| 9 | Weld County | 252,836 | 24.32 |
| 10 | Pueblo County | 159,074 | 25.62 |
| 11 | Mesa County | 146,734 | 16.93 |
| 12 | Garfield County | 56,400 | 7.36 |
| 13 | City and County of Broomfield | 55,900 | 642.53 |
| 14 | Eagle County | 52,208 | 11.85 |
| 15 | La Plata County | 51,345 | 11.66 |
| 16 | Fremont County | 46,835 | 11.79 |
| 17 | Montrose County | 41,287 | 7.10 |
| 18 | Delta County | 30,963 | 10.40 |
| 19 | Morgan County | 28,170 | 8.41 |
| 20 | Summit County | 28,005 | 17.47 |
| 21 | Montezuma County | 25,546 | 4.84 |
| 22 | Routt County | 23,520 | 3.84 |
| 23 | Teller County | 23,361 | 16.14 |
| 24 | Elbert County | 23,097 | 4.82 |
| 25 | Logan County | 22,720 | 4.75 |
| 26 | Otero County | 18,842 | 5.74 |
| 27 | Chaffee County | 17,820 | 6.78 |
| 28 | Pitkin County | 17,159 | 6.83 |
| 29 | Park County | 16,217 | 2.83 |
| 30 | Las Animas County | 15,518 | 1.26 |
| 31 | Alamosa County | 15,456 | 8.25 |
| 32 | Gunnison County | 15,335 | 1.82 |
| 33 | Grand County | 14,854 | 3.07 |
| 34 | Moffat County | 13,806 | 1.12 |
| 35 | Prowers County | 12,562 | 2.95 |
| 36 | Archuleta County | 12,095 | 3.45 |
| 37 | Rio Grande County | 11,993 | 5.07 |
| 38 | Yuma County | 10,054 | 1.64 |
| 39 | Clear Creek County | 9,099 | 8.86 |
| 40 | Kit Carson County | 8,281 | 1.48 |
| 41 | Conejos County | 8,267 | 2.47 |
| 42 | San Miguel County | 7,370 | 2.20 |
| 43 | Lake County | 7,321 | 7.37 |
| 44 | Huerfano County | 6,722 | 1.63 |
| 45 | Rio Blanco County | 6,677 | 0.80 |
| 46 | Bent County | 6,510 | 1.63 |
| 47 | Saguache County | 6,119 | 0.75 |
| 48 | Crowley County | 5,834 | 2.81 |
| 49 | Lincoln County | 5,478 | 0.82 |
| 50 | Gilpin County | 5,452 | 14.02 |
| 51 | Washington County | 4,825 | 0.74 |
| 52 | Phillips County | 4,453 | 2.50 |
| 53 | Ouray County | 4,447 | 3.17 |
| 54 | Custer County | 4,266 | 2.23 |
| 55 | Baca County | 3,799 | 0.57 |
| 56 | Costilla County | 3,535 | 1.11 |
| 57 | Sedgwick County | 2,390 | 1.68 |
| 58 | Dolores County | 2,075 | 0.74 |
| 59 | Cheyenne County | 1,847 | 0.40 |
| 60 | Kiowa County | 1,409 | 0.30 |
| 61 | Jackson County | 1,405 | 0.33 |
| 62 | Hinsdale County | 854 | 0.29 |
| 63 | Mineral County | 723 | 0.32 |
| 64 | San Juan County | 710 | 0.71 |
Main Cities in Connecticut by Population
Below is the 10 largest cities In Connecticut by population. Check COUNTRYAAH for a list of all towns and cities of Connecticut in alphabetical order.
