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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.

CountyPopulationMedian incomeMedian home valueMedian rent
El Paso County736,008$87,470$431,000$1,609
Denver County713,734$91,681$586,700$1,770
Arapahoe County655,709$97,215$526,000$1,812
Jefferson County579,715$107,800$604,400$1,792
Adams County524,408$91,387$458,400$1,713
Douglas County368,283$145,737$674,000$2,095
Larimer County363,561$91,364$532,200$1,677
Weld County340,711$93,287$444,500$1,469
Boulder County328,317$102,772$713,900$1,893
Pueblo County168,726$62,250$271,800$1,059
Mesa County157,316$71,485$349,400$1,154
Broomfield County75,110$121,025$631,600$2,074
Garfield County62,034$86,172$490,600$1,515
La Plata County56,088$85,296$549,100$1,409
Eagle County55,374$103,174$814,700$2,032
Fremont County49,394$61,027$282,100$1,036
Montrose County43,272$66,072$357,900$1,120
Delta County31,353$58,330$318,000$1,080
Summit County30,857$106,255$850,700$1,851
Morgan County29,186$75,407$299,300$1,092
Elbert County27,152$129,477$664,600$1,436
Montezuma County26,204$63,005$308,100$974
Routt County24,990$104,803$756,200$1,845
Teller County24,774$80,666$445,000$1,746
Logan County21,067$55,074$228,100$1,027
Chaffee County19,876$70,909$598,500$1,514
Otero County18,460$54,897$160,700$796
Park County17,739$95,450$489,300$1,942
Gunnison County17,158$77,358$597,200$1,191
Pitkin County17,119$100,318$1,131,200$1,880
Alamosa County16,515$51,445$218,800$904
Grand County15,794$84,558$507,200$1,451
Las Animas County14,392$50,408$214,500$875
Archuleta County13,730$76,524$451,400$1,409
Moffat County13,258$70,975$262,500$1,051
Prowers County11,931$57,601$150,900$741
Rio Grande County11,394$62,166$215,400$782
Yuma County9,921$60,051$215,600$897
Clear Creek County9,358$96,667$572,800$1,230
San Miguel County8,026$80,117$613,100$1,173
Conejos County7,536$47,209$162,100$724
Lake County7,411$93,655$401,300$1,599
Kit Carson County7,015$59,810$221,400$916
Huerfano County6,946$52,139$256,700$739
Rio Blanco County6,518$72,620$243,400$924
Saguache County6,511$54,283$200,000$746
Gilpin County5,877$88,654$512,600$1,340
Crowley County5,734$47,563$106,700$976
Lincoln County5,561$54,257$232,100$854
Bent County5,524$49,194$137,900$854
Custer County5,073$72,700$358,800$1,021
Ouray County5,024$84,556$670,100$1,398
Washington County4,839$65,164$218,300$991
Phillips County4,491$60,372$255,300$947
Costilla County3,571$36,519$171,300$857
Baca County3,460$40,380$122,000$490
Dolores County2,385$70,490$231,900$1,688
Sedgwick County2,346$52,833$142,700$728
Cheyenne County1,732$67,768$187,100$862
Jackson County1,422$41,809$250,000$1,484
Kiowa County1,356$56,389$148,600$869
Hinsdale County939$64,327$438,800$1,099
Mineral County799$52,455$413,000$903
San Juan County690$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

More Colorado data.