Colorado counties
Quick answer
Colorado has 64 counties and county equivalents holding 5,810,774 residents. The statewide sales tax base rate is 2.9%, before county and city add-ons.
All 64 counties
Ranked by population, Census 2019-2023 ACS 5-year estimates.
| County | Population | Median income | Median home value | Median rent |
|---|---|---|---|---|
| El Paso County | 736,008 | $87,470 | $431,000 | $1,609 |
| Denver County | 713,734 | $91,681 | $586,700 | $1,770 |
| Arapahoe County | 655,709 | $97,215 | $526,000 | $1,812 |
| Jefferson County | 579,715 | $107,800 | $604,400 | $1,792 |
| Adams County | 524,408 | $91,387 | $458,400 | $1,713 |
| Douglas County | 368,283 | $145,737 | $674,000 | $2,095 |
| Larimer County | 363,561 | $91,364 | $532,200 | $1,677 |
| Weld County | 340,711 | $93,287 | $444,500 | $1,469 |
| Boulder County | 328,317 | $102,772 | $713,900 | $1,893 |
| Pueblo County | 168,726 | $62,250 | $271,800 | $1,059 |
| Mesa County | 157,316 | $71,485 | $349,400 | $1,154 |
| Broomfield County | 75,110 | $121,025 | $631,600 | $2,074 |
| Garfield County | 62,034 | $86,172 | $490,600 | $1,515 |
| La Plata County | 56,088 | $85,296 | $549,100 | $1,409 |
| Eagle County | 55,374 | $103,174 | $814,700 | $2,032 |
| Fremont County | 49,394 | $61,027 | $282,100 | $1,036 |
| Montrose County | 43,272 | $66,072 | $357,900 | $1,120 |
| Delta County | 31,353 | $58,330 | $318,000 | $1,080 |
| Summit County | 30,857 | $106,255 | $850,700 | $1,851 |
| Morgan County | 29,186 | $75,407 | $299,300 | $1,092 |
| Elbert County | 27,152 | $129,477 | $664,600 | $1,436 |
| Montezuma County | 26,204 | $63,005 | $308,100 | $974 |
| Routt County | 24,990 | $104,803 | $756,200 | $1,845 |
| Teller County | 24,774 | $80,666 | $445,000 | $1,746 |
| Logan County | 21,067 | $55,074 | $228,100 | $1,027 |
| Chaffee County | 19,876 | $70,909 | $598,500 | $1,514 |
| Otero County | 18,460 | $54,897 | $160,700 | $796 |
| Park County | 17,739 | $95,450 | $489,300 | $1,942 |
| Gunnison County | 17,158 | $77,358 | $597,200 | $1,191 |
| Pitkin County | 17,119 | $100,318 | $1,131,200 | $1,880 |
| Alamosa County | 16,515 | $51,445 | $218,800 | $904 |
| Grand County | 15,794 | $84,558 | $507,200 | $1,451 |
| Las Animas County | 14,392 | $50,408 | $214,500 | $875 |
| Archuleta County | 13,730 | $76,524 | $451,400 | $1,409 |
| Moffat County | 13,258 | $70,975 | $262,500 | $1,051 |
| Prowers County | 11,931 | $57,601 | $150,900 | $741 |
| Rio Grande County | 11,394 | $62,166 | $215,400 | $782 |
| Yuma County | 9,921 | $60,051 | $215,600 | $897 |
| Clear Creek County | 9,358 | $96,667 | $572,800 | $1,230 |
| San Miguel County | 8,026 | $80,117 | $613,100 | $1,173 |
| Conejos County | 7,536 | $47,209 | $162,100 | $724 |
| Lake County | 7,411 | $93,655 | $401,300 | $1,599 |
| Kit Carson County | 7,015 | $59,810 | $221,400 | $916 |
| Huerfano County | 6,946 | $52,139 | $256,700 | $739 |
| Rio Blanco County | 6,518 | $72,620 | $243,400 | $924 |
| Saguache County | 6,511 | $54,283 | $200,000 | $746 |
| Gilpin County | 5,877 | $88,654 | $512,600 | $1,340 |
| Crowley County | 5,734 | $47,563 | $106,700 | $976 |
| Lincoln County | 5,561 | $54,257 | $232,100 | $854 |
| Bent County | 5,524 | $49,194 | $137,900 | $854 |
| Custer County | 5,073 | $72,700 | $358,800 | $1,021 |
| Ouray County | 5,024 | $84,556 | $670,100 | $1,398 |
| Washington County | 4,839 | $65,164 | $218,300 | $991 |
| Phillips County | 4,491 | $60,372 | $255,300 | $947 |
| Costilla County | 3,571 | $36,519 | $171,300 | $857 |
| Baca County | 3,460 | $40,380 | $122,000 | $490 |
| Dolores County | 2,385 | $70,490 | $231,900 | $1,688 |
| Sedgwick County | 2,346 | $52,833 | $142,700 | $728 |
| Cheyenne County | 1,732 | $67,768 | $187,100 | $862 |
| Jackson County | 1,422 | $41,809 | $250,000 | $1,484 |
| Kiowa County | 1,356 | $56,389 | $148,600 | $869 |
| Hinsdale County | 939 | $64,327 | $438,800 | $1,099 |
| Mineral County | 799 | $52,455 | $413,000 | $903 |
| San Juan County | 690 | $73,889 | $406,900 | $1,076 |
Source: US Census Bureau, ACS 2019-2023 5-year estimates · rates as published for 2019-2023 ACS 5-year
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More Colorado data.