County ZIP codes · Colorado · FIPS 08005
Arapahoe County, CO ZIP Codes
Arapahoe County, Colorado has 41 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 30 residential and 11 for PO boxes or a single organization. 17 of the residential ones lie mainly in Arapahoe County and 13 mainly in a neighboring county; 21 cross the county line. Median household income ranges from $63,579 in 80010 to $150,492 in 80016 (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
Where are the ZIP codes of Arapahoe County?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
How different are its ZIP codes?
The middle half of its ranked ZIP codes (1,000+ people living in households) report median household incomes between $80,524 and $121,436.
They carry 9 postal town names.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).
All 30 residential ZIP codes in Arapahoe County
17 ZIP codes lie mainly in Arapahoe County; 13 more reach into it from a neighboring county and follow the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 80013 | Aurora | 73,248 | 5,252 | $101k | $474k | 100% |
| 80015 | Aurora | 72,316 | 4,446 | $125k | $586k | 100% |
| 80016 | Aurora | 68,268 | 2,113 | $151k | $762k | 95% |
| 80012 | Aurora | 51,052 | 6,717 | $73k | $430k | 100% |
| 80010 | Aurora | 42,439 | 8,258 | $64k | $425k | 51% |
| 80017 | Aurora | 40,584 | 4,427 | $81k | $427k | 100% |
| 80014 | Aurora | 39,496 | 5,513 | $73k | $416k | 90% |
| 80112 | Englewood | 36,816 | 2,063 | $109k | $659k | 73% |
| 80122 | Littleton | 32,195 | 4,526 | $129k | $634k | 100% |
| 80111 | Englewood | 31,561 | 2,897 | $136k | $917k | 100% |
| 80120 | Littleton | 29,725 | 3,553 | $94k | $628k | 99% |
| 80110 | Englewood | 23,825 | 3,734 | $86k | $497k | 97% |
| 80113 | Englewood | 22,976 | 2,995 | $97k | $709k | 100% |
| 80018 | Aurora | 19,072 | 539 | $137k | $588k | 100% |
| 80121 | Littleton | 18,029 | 2,500 | $142k | $708k | 100% |
| 80105 | Deer Trail | 2,182 | 6 | $80k | $374k | 59% |
| 80137 | Watkins | 1,689 | 16 | $135k | $669k | 60% |
Partly in Arapahoe County
| In this county | ||||||
|---|---|---|---|---|---|---|
| 80247 | Denver | 29,760 | 10,216 | $65k | $318k | 46% |
| 80011 | Aurora | 53,695 | 2,629 | $74k | $409k | 45% |
| 80231 | Denver | 35,883 | 7,350 | $77k | $501k | 42% |
| 80102 | Bennett | 6,690 | 23 | $113k | $543k | 36% |
| 80246 | Denver | 13,097 | 7,838 | $67k | $716k | 34% |
| 80103 | Byers | 3,215 | 9 | $103k | $502k | 33% |
| 80123 | Littleton | 44,549 | 3,706 | $106k | $620k | 31% |
| 80136 | Strasburg | 6,144 | 29 | $112k | $555k | 31% |
| 80222 | Denver | 23,838 | 6,232 | $87k | $623k | 15% |
| 80128 | Littleton | 36,712 | 2,923 | $121k | $586k | 10% |
| 80230 | Denver | 10,449 | 3,793 | $100k | $829k | 9% |
| 80236 | Denver | 16,863 | 5,250 | $86k | $532k | 4% |
| 80224 | Denver | 19,352 | 5,902 | $86k | $604k | 2% |
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; county shares by land area (Census 2020 ZCTA-county relationship file).
Which ZIP codes cross the county line?
21 ZIP codes of Arapahoe County extend into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In Arapahoe | Elsewhere |
|---|---|---|
| 80016 | 95% | Douglas County5% |
| 80011 | 45% | Adams County55% |
| 80123 | 31% | Jefferson County50%; Denver County19% |
| 80010 | 51% | Adams County49% |
| 80014 | 90% | Denver County10% |
| 80112 | 73% | Douglas County27% |
| 80128 | 10% | Jefferson County90% |
| 80231 | 42% | Denver County58% |
| 80247 | 46% | Denver County54% |
| 80120 | 99% | Douglas County1% |
| 80222 | 15% | Denver County85% |
| 80110 | 97% | Denver County3% |
| 80224 | 2% | Denver County98% |
| 80236 | 4% | Denver County96% |
| 80246 | 34% | Denver County66% |
| 80230 | 9% | Denver County91% |
| 80102 | 36% | Adams County49%; Elbert County15% |
| 80136 | 31% | Adams County69% |
| 80103 | 33% | Adams County67% |
| 80105 | 59% | Elbert County28%; Adams County13% |
| 80137 | 60% | Adams County40% |
Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).
PO Box and single-organization ZIP codes
Source: GeoNames postal codes (CC BY 4.0).
Which first three digits do Arapahoe County's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Arapahoe County's ZIP codes use 3 prefixes: 800, 801 and 802.
| Prefix | Sectional center | Here | All codes |
|---|---|---|---|
| 800 | Denver, CO (SCF 800) | 13 | 40 |
| 801 | Denver, CO (SCF 800) | 21 | 44 |
| 802 | Denver, CO (SCF 800) | 7 | 67 |
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.