Residential delivery area · Colorado
ZIP Code 81236: Nathrop, CO
ZIP code 81236 uses the postal name Nathrop, Colorado and lies entirely in Chaffee County (Census 2020 ZIP-county file). About 1,700 people live there (Census Bureau, ACS 2020-2024). Median household income is $98,170 (Census Bureau, ACS 2020-2024). By Census place, under 1% of its land lies in Nathrop (a census-designated place); more than 99% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2023
- ZBP2023
- IRS2022
- Town
- Nathrop · its only residential ZIP
- County
- Chaffee County
- Census places
- Nathrop census-designated place
- House district
- CO-7 119th Congress
- State
- Colorado
- Time zone
- Mountain
- Land area
- 159.8 sq mi · 11 people per sq mi
Where is ZIP code 81236?
81236 centers on 38.676°, -106.264° and covers 159.8 square miles of land plus 0.3 of water. It borders 5 ZIP codes: 81201, 81241, 81211, 81248, 81210.
The map draws ZIP code areas only. For the streets inside 81236, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 81236 compare with the rest of Chaffee County?
| Measure | 81236 | In Chaffee County | In CO |
|---|---|---|---|
| People (ACS 2020-2024) | 1,748 | 3rd of 7 | 289th of 527 |
| Median household income | $98k | 1st of 3 | 117th of 277 |
| Median home value | $745k | 1st of 3 | 46th of 311 |
Its median household income is higher than in 80% of U.S. residential ZIP codes, and it is denser than 18% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 81236?
The 2020 Census counted 1,161 people in 81236; the ACS, which samples households over 2020-2024, estimates 1,748. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 1,748±493 (90% margin)
- 2020 Census count
- 1,161
- Households
- 760
- Median age
- 49.2
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 81236?
Of the 1,748 people the ACS estimates in 81236, 23.9% are under 18 and 36.1% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (95.7%).
- Under 1823.9%
- 18 to 6440.0%
- 65 and older36.1%
- White, not Hispanic95.7%
- Hispanic or Latino4.0%
- Other or two or more0.3%
- Black, not Hispanic0.0%
- Asian, not Hispanic0.0%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 81236 earn?
Median household income is $98,170 (ACS 2020-2024), the highest of the 3 ranked ZIP codes in Chaffee County.
- Median household income
- $98,170
- Income per person
- $45,967
- Below the poverty line
- 2.7%
- Unemployed (of the labor force)
- 9.4%
- Adults 25+ with a bachelor's degree
- 70.9%
- Adjusted gross income per tax return, 2022
- $103,619680 returns; wages 34% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 81236?
- Median home value (owners' estimate)
- $745,400
- Median gross rent
- –
- Homes owned by their occupants
- 98.6%
- Housing units
- 1,219
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 81236?
40 business establishments had a location in this ZIP code in 2023, 14 more than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction8
- Professional, scientific, and technical services6
- Administrative and support and waste management and remediation services5
- Accommodation and food services5
- Other services (except public administration)4
- Retail trade3
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 81236?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 81201 | Salida | 9,294 | $80k | 11.9 mi |
| 81241 | Pitkin | 238 | – | 12.5 mi |
| 81211 | Buena Vista | 8,302 | $88k | 21.4 mi |
| 81248 | Sargents | 264 | – | 21.9 mi |
| 81210 | Almont | 664 | – | 24.1 mi |
| 81227 | Monarch | 93 | – | 8.9 mi (near) |
| 81242 | Poncha Springs | 807 | $96k | 17.5 mi (near) |
| 81237 | Ohio City | 169 | $134k | 19.7 mi (near) |
| 81239 | Parlin | 9 | – | 21.0 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.