State 08 · CO
Colorado county map
Colorado has 64 counties. Las Animas County is the largest by land at 4,773 square miles, and El Paso County is the most populous with 752,772 residents.
- Population 2024
- 5,957,493
- #21 of 51
- Land area
- 103,637 sq mi
- #8 of 51
- Density
- 57.5 / sq mi
- #38 of 51
- Counties
- 64
- Capital: Denver
Map of all 64 counties in Colorado
Every county is labeled on Census 2024 boundaries. Download it as a PDF to print, a PNG, or an editable SVG. For blank, colored or city versions, see the printable Colorado map sheets.
Colorado population and land area
Colorado had 5,957,493 residents in the Census Vintage 2024 estimates, the sum of its counties. That ranks 21st of the 50 states and DC. Its 103,637 square miles of land rank 8th. Colorado averages 57.5 people per square mile of land, about 1.7 times sparser than the national figure of 96.3. By density it ranks 38th.
- Population, 2024
- 5,957,49321st of 51
- Land area
- 103,637 sq mi8th of 51
- Density
- 57.5 per sq mi38th of 51
- Number of counties
- 64
- Capital
- Denver39.739° N, 104.985° W
- State FIPS code
- 08
Colorado counties by population, density and income
Each shape is shaded by quintile, darker for higher values. Switch the measure above the map. Select a shape to open that county's page. The pin marks the capital, Denver.
- < 2.8
- 2.8+
- 7.3+
- 17+
- 45+
Largest county in Colorado by land area
Las Animas County ranks first at 4,773 square miles and Broomfield County last at 33 square miles. The gap is more than a hundredfold.
- 01Las Animas County4,773
- 02Moffat County4,743
- 03Weld County3,985
- 04Mesa County3,329
- 05Gunnison County3,239
- 06Rio Blanco County3,221
- 07Saguache County3,169
- 08Garfield County2,947
- 09Larimer County2,596
- 10Lincoln County2,578
Most populous county in Colorado
El Paso County ranks first at 752,772 residents and Hinsdale County last at 747 residents. The gap is more than a hundredfold.
- 01El Paso County752,772
- 02Denver County729,019
- 03Arapahoe County666,918
- 04Jefferson County578,533
- 05Adams County542,973
- 06Douglas County393,995
- 07Larimer County374,574
- 08Weld County369,745
- 09Boulder County330,262
- 10Pueblo County169,866
Least populous county in Colorado
The smallest populations, fewest first. Estimates for small counties carry more uncertainty than those for large ones.
- 01Hinsdale County747
- 02San Juan County821
- 03Mineral County933
- 04Jackson County1,273
- 05Kiowa County1,392
Most densely populated county in Colorado
Denver County ranks first at 4,762.7 people per square mile and Hinsdale County last at 0.7 people per square mile. The gap is more than a hundredfold.
- 01Denver County4,762.7
- 02Broomfield County2,375.6
- 03Arapahoe County835.9
- 04Jefferson County756.9
- 05Douglas County468.5
- 06Adams County465.4
- 07Boulder County454.6
- 08El Paso County354.0
- 09Larimer County144.3
- 10Weld County92.8
Highest median household income in Colorado
Douglas County ranks first at $144,807 and Mineral County last at $37,108. The top value is 3.9 times the bottom one.
- 01Douglas County$144,807
- 02Elbert County$123,083
- 03Broomfield County$113,162
- 04Routt County$112,377
- 05Eagle County$110,598
- 06Pitkin County$109,268
- 07Summit County$105,135
- 08Park County$103,720
- 09San Juan County$102,689
- 10Jefferson County$102,146
Towns and cities in Colorado
The Census Vintage 2024 subcounty estimates list 149 incorporated places in Colorado with 1,000 or more residents, holding 4,407,415 people together, or 74% of the state total. 79 of them have 5,000 or more. The northernmost is Julesburg at 40.985° N and the southernmost is Trinidad at 37.173° N. Among places of 5,000+, Timnath grew fastest from July 2020 to July 2024, by 60.8%.
- 01Denver729,019
- 02Colorado Springs493,554
- 03Aurora403,130
- 04Fort Collins170,924
- 05Lakewood156,868
- 06Thornton146,689
- 07Arvada121,873
- 08Westminster115,302
- 09Greeley114,363
- 10Pueblo111,166
- 11Centennial108,853
- 12Boulder106,803
Denver, the capital
89.6% of Colorado's place population, 3,950,962 of 4,407,415 people, lives in places within 100 miles of Denver. That ranks 14th of 51 for how central the capital is. The most remote town of 1,000 to 9,999 people is Burlington, 103 miles in a straight line from the nearest place of 10,000+ (Sterling).
See all states in the capital radius ranking and the most remote towns ranking. Sunrise and sunset times for Denver, month by month, are on the Denver daylight page.
States bordering Colorado
Colorado borders 7 states or districts. The nearest neighboring capital is Cheyenne, 97 miles N of Denver in a straight line.
UTM zones in Colorado
The internal points of Colorado's counties fall in UTM zones 12, 13. Zones are 6 degrees of longitude wide, numbered from 180° W: zone = floor((longitude + 180) / 6) + 1. Because Colorado spans 2 zones, no single UTM zone covers the whole state.
All 64 counties in Colorado
Sort by any column. The small orange number marks the top 3 in the state by population.
| FIPS | |||||
|---|---|---|---|---|---|
| 08041 | El Paso County | 752,772#1 | 2,126 | 354.0 | $88,794 |
| 08031 | Denver County | 729,019#2 | 153 | 4,762.7 | $93,572 |
| 08005 | Arapahoe County | 666,918#3 | 798 | 835.9 | $97,560 |
| 08059 | Jefferson County | 578,533 | 764 | 756.9 | $102,146 |
| 08001 | Adams County | 542,973 | 1,167 | 465.4 | $95,278 |
| 08035 | Douglas County | 393,995 | 841 | 468.5 | $144,807 |
| 08069 | Larimer County | 374,574 | 2,596 | 144.3 | $88,519 |
| 08123 | Weld County | 369,745 | 3,985 | 92.8 | $90,675 |
| 08013 | Boulder County | 330,262 | 726 | 454.6 | $97,170 |
| 08101 | Pueblo County | 169,866 | 2,387 | 71.2 | $63,801 |
| 08077 | Mesa County | 161,260 | 3,329 | 48.4 | $66,339 |
| 08014 | Broomfield County | 78,323 | 33 | 2,375.6 | $113,162 |
| 08045 | Garfield County | 63,167 | 2,947 | 21.4 | $94,696 |
| 08067 | La Plata County | 56,823 | 1,690 | 33.6 | $83,542 |
| 08037 | Eagle County | 54,330 | 1,684 | 32.3 | $110,598 |
| 08043 | Fremont County | 50,093 | 1,534 | 32.7 | $61,015 |
| 08085 | Montrose County | 44,806 | 2,241 | 20.0 | $67,113 |
| 08029 | Delta County | 32,215 | 1,142 | 28.2 | $57,075 |
| 08117 | Summit County | 30,882 | 608 | 50.8 | $105,135 |
| 08087 | Morgan County | 30,300 | 1,280 | 23.7 | $68,541 |
| 08039 | Elbert County | 29,382 | 1,850 | 15.9 | $123,083 |
| 08083 | Montezuma County | 26,841 | 2,029 | 13.2 | $60,809 |
| 08107 | Routt County | 25,243 | 2,362 | 10.7 | $112,377 |
| 08119 | Teller County | 24,862 | 557 | 44.6 | $88,089 |
| 08015 | Chaffee County | 20,780 | 1,013 | 20.5 | $75,298 |
| 08075 | Logan County | 20,755 | 1,839 | 11.3 | $55,415 |
| 08093 | Park County | 18,316 | 2,194 | 8.4 | $103,720 |
| 08089 | Otero County | 17,991 | 1,262 | 14.3 | $52,169 |
| 08051 | Gunnison County | 17,310 | 3,239 | 5.3 | $79,658 |
| 08003 | Alamosa County | 16,689 | 723 | 23.1 | $50,056 |
| 08097 | Pitkin County | 16,643 | 971 | 17.1 | $109,268 |
| 08049 | Grand County | 16,154 | 1,846 | 8.7 | $93,257 |
| 08071 | Las Animas County | 14,518 | 4,773 | 3.0 | $52,067 |
| 08007 | Archuleta County | 14,112 | 1,350 | 10.5 | $74,432 |
| 08081 | Moffat County | 13,142 | 4,743 | 2.8 | $73,875 |
| 08099 | Prowers County | 11,957 | 1,638 | 7.3 | $50,365 |
| 08105 | Rio Grande County | 11,132 | 912 | 12.2 | $55,574 |
| 08125 | Yuma County | 10,048 | 2,364 | 4.2 | $61,870 |
| 08019 | Clear Creek County | 9,076 | 395 | 23.0 | $94,093 |
| 08113 | San Miguel County | 7,819 | 1,287 | 6.1 | $94,927 |
| 08021 | Conejos County | 7,549 | 1,287 | 5.9 | $53,174 |
| 08065 | Lake County | 7,369 | 377 | 19.6 | $86,215 |
| 08063 | Kit Carson County | 7,080 | 2,161 | 3.3 | $55,304 |
| 08055 | Huerfano County | 6,988 | 1,591 | 4.4 | $47,855 |
| 08109 | Saguache County | 6,670 | 3,169 | 2.1 | $47,829 |
| 08103 | Rio Blanco County | 6,607 | 3,221 | 2.1 | $72,088 |
| 08047 | Gilpin County | 5,963 | 150 | 39.7 | $88,589 |
| 08011 | Bent County | 5,779 | 1,513 | 3.8 | $44,960 |
| 08025 | Crowley County | 5,600 | 787 | 7.1 | $46,979 |
| 08073 | Lincoln County | 5,598 | 2,578 | 2.2 | $58,034 |
| 08027 | Custer County | 5,553 | 739 | 7.5 | $77,137 |
| 08091 | Ouray County | 5,197 | 541 | 9.6 | $92,760 |
| 08121 | Washington County | 4,771 | 2,518 | 1.9 | $54,255 |
| 08095 | Phillips County | 4,488 | 688 | 6.5 | $59,367 |
| 08023 | Costilla County | 3,686 | 1,228 | 3.0 | $38,731 |
| 08009 | Baca County | 3,367 | 2,555 | 1.3 | $47,421 |
| 08033 | Dolores County | 2,467 | 1,067 | 2.3 | $57,701 |
| 08115 | Sedgwick County | 2,257 | 548 | 4.1 | $45,999 |
| 08017 | Cheyenne County | 1,712 | 1,778 | 1.0 | $63,177 |
| 08061 | Kiowa County | 1,392 | 1,768 | 0.8 | $55,523 |
| 08057 | Jackson County | 1,273 | 1,614 | 0.8 | $96,811 |
| 08079 | Mineral County | 933 | 876 | 1.1 | $37,108 |
| 08111 | San Juan County | 821 | 388 | 2.1 | $102,689 |
| 08053 | Hinsdale County | 747 | 1,117 | 0.7 | $71,541 |
Sources and data as of
Data as of: Census Vintage 2024 population estimates, 2024 Gazetteer land area and internal points, SAIPE 2023 median household income.
- 01Census Vintage 2024 county population estimates
- 02Census 2024 Gazetteer, counties
- 03Census SAIPE 2023 state and county estimates
- 04Census Vintage 2024 subcounty population estimates
- 05Census 2024 Gazetteer, places
- 06Census 2024 cartographic boundary file, counties (1:5,000,000)
How every number is computed: methodology. Spotted a wrong figure? Report an error.