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State ProfileCO

Colorado

Population: 5,773,714ZIP codes: 636Cities: 393Counties: 64

Demographics

Source: U.S. Census Bureau (ACS/Decennial). See data sources

People
Total population
5,773,714
People
Median age
38
Housing
Total households
2,479,892
Income
Median household income
$97,113
Housing
Total housing units
2,662,111
Employment
Employment rate
64.9%
Education
Bachelor’s degree or higher
47.8%
Healthcare
Insured population
92.1%
Colorado details
CapitalDenver
State CodeCO
TimezoneMountain Time (MT)
Coordinates39.55, -105.78
Land area104,094 sq mi(269,602.4 km²)

Map of Colorado ZIP codes

Map of Colorado ZIP codes

Major cities in Colorado

Browse major cities in CO with population and key demographic indicators.

CityPopulation
Median incomeHousehold
ZIP codes
715,522$94,71864ZIPs
478,961$84,81852ZIPs
386,261$88,36817ZIPs
169,810$85,0709ZIPs
141,867$103,0881ZIPs
124,402$117,3487ZIPs
116,317$100,2724ZIPs
111,876$56,66412ZIPs
108,795$69,8816ZIPs
108,250$87,49311ZIPs
98,885$90,6714ZIPs
76,378$84,6043ZIPs
74,112$123,8744ZIPs
73,158$145,1973ZIPs
65,560$70,0807ZIPs
62,418$111,9722ZIPs
58,512$133,3692ZIPs
45,652$98,83916ZIPs
40,083$107,6793ZIPs
33,659$86,8007ZIPs
32,716$127,0282ZIPs
32,398$90,5642ZIPs
30,411$119,0401ZIPs
30,038$173,3491ZIPs
29,802$86,2421ZIPs
22,165$75,5631ZIPs
21,226$147,3191ZIPs
20,413$52,1001ZIPs
20,399$98,5824ZIPs
20,291$70,3863ZIPs

Most Populated Colorado ZIP Codes

A quick overview of the largest ZIP code areas in Colorado. Browse the table below to see which local communities and cities have the highest concentration of residents.

ZIPCity
Median incomeHousehold
Population (ZIP)
80134Parker$146,77876,369
80013Aurora$101,19175,099
80015Aurora$124,70271,466
80634Greeley$82,74265,980
80016Aurora$150,49265,406
80219Denver$68,41561,585
80504Longmont$113,64360,183
80022Commerce City$104,39657,432
80525Fort Collins$91,63655,901
80011Aurora$74,02254,254
80229Denver$84,20354,153
80631Greeley$54,59152,336
80020Broomfield$117,24352,141
80012Aurora$73,00049,897
80538Loveland$86,67149,084
80233Denver$88,88048,050
80918Colorado Springs$87,68547,453
80123Littleton$105,93247,302
80239Denver$98,14846,177
80526Fort Collins$88,68645,624

Available counties in Colorado

Explore regional data for Colorado counties, including population metrics, median income, and total ZIP codes.

CountyPopulation
Median incomeHousehold
ZIP codes
El Paso730,395$90,36365ZIPs
Denver715,522$94,71864ZIPs
Arapahoe655,070$101,08744ZIPs
Jefferson582,910$110,65622ZIPs
Adams519,572$94,57114ZIPs
Larimer359,066$93,76522ZIPs
Douglas357,978$149,59410ZIPs
Boulder330,758$103,99425ZIPs
Weld328,981$97,09739ZIPs
Pueblo168,162$64,01017ZIPs
Mesa155,703$73,65819ZIPs
Broomfield74,112$123,8744ZIPs
Garfield61,685$91,1318ZIPs
Eagle55,731$104,09612ZIPs
La Plata55,638$86,0567ZIPs
Fremont48,939$62,66411ZIPs
Montrose42,679$72,1209ZIPs
Delta31,196$57,7748ZIPs
Summit31,055$109,7735ZIPs
Morgan29,111$73,2788ZIPs
Elbert26,062$132,6856ZIPs
Montezuma25,849$65,2448ZIPs
Routt24,829$106,48910ZIPs
Teller24,710$85,3616ZIPs
Logan21,528$51,8298ZIPs
Chaffee19,476$84,1326ZIPs
Otero18,690$54,0376ZIPs
Park17,390$103,67010ZIPs
Pitkin17,358$102,6456ZIPs
Gunnison16,918$84,52711ZIPs
Alamosa16,376$55,3974ZIPs
Grand15,717$88,6128ZIPs
Las Animas14,555$52,0749ZIPs
Archuleta13,359$83,0654ZIPs
Moffat13,292$73,8497ZIPs
Prowers11,999$53,5085ZIPs
Rio Grande11,539$64,4113ZIPs
Yuma9,988$60,5457ZIPs
Clear Creek9,397$94,5775ZIPs
San Miguel8,072$79,0245ZIPs
Conejos7,461$50,9787ZIPs
Lake7,436$96,5751ZIPs
Kit Carson7,087$70,2596ZIPs
Huerfano6,820$52,5263ZIPs
Rio Blanco6,529$65,4732ZIPs
Saguache6,368$50,0826ZIPs
Crowley5,922$48,8265ZIPs
Gilpin5,808$95,3613ZIPs
Lincoln5,675$62,8616ZIPs
Bent5,650$50,1794ZIPs
Ouray4,874$91,0202ZIPs
Washington4,817$67,1676ZIPs
Custer4,704$72,6742ZIPs
Phillips4,530$64,6744ZIPs
Baca3,506$46,2156ZIPs
Costilla3,499$36,8615ZIPs
Sedgwick2,404$52,3863ZIPs
Dolores2,326$64,9073ZIPs
Cheyenne1,748$70,8654ZIPs
Kiowa1,446$58,6184ZIPs
Jackson1,379$47,6674ZIPs
Mineral865$56,2501ZIPs
Hinsdale788$75,9721ZIPs
San Juan705$77,8241ZIPs

Data Sources & Citations

The geographic and demographic information presented on this site is compiled from publicly available, authoritative sources, including:

  • United States Census BureauDemographic, population, housing, and socioeconomic data sourced from Census Bureau datasets, including the Decennial Census and the American Community Survey (ACS).Census Data
  • United States Postal Service (USPS)ZIP code classifications, delivery types, and postal designations used for reference purposes. USPS ZIP codes are intended for mail delivery and may not always align exactly with Census geographic boundaries.USPS