Residential delivery area · Colorado
ZIP Code 81637: Gypsum, CO
ZIP code 81637 uses the postal name Gypsum, Colorado and lies mostly in Garfield County (54% of its land) with the rest in Eagle County (Census 2020 ZIP-county file). About 11,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $109,209 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Gypsum (1%) and Dotsero (under 1%); 99% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Gypsum · its only residential ZIP
- County
- Garfield County (54%); Eagle County (46%)
- Census places
- Gypsum (1%); Dotsero (under 1%) census-designated place
- Micro area
- Rifle, CO
- House districts
- CO-3 (77%), CO-2 (23%) 119th Congress, by share of land
- State
- Colorado
- Time zone
- Mountain
- Land area
- 787.3 sq mi · 14 people per sq mi
Where is ZIP code 81637?
81637 centers on 39.778°, -107.106° and covers 787.3 square miles of land plus 4.8 of water. It borders 9 ZIP codes: 80426, 81601, 80479, 81631, 80463, 80483, 81621, 81623, 81641.
The map draws ZIP code areas only. For the streets inside 81637, 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 81637 compare with the rest of Garfield County?
| Measure | 81637 | In Garfield County | In CO |
|---|---|---|---|
| People (ACS 2020-2024) | 10,744 | 4th of 8 | 173rd of 527 |
| Median household income | $109k | 2nd of 8 | 82nd of 277 |
| Median home value | $616k | 3rd of 8 | 98th of 311 |
Its median household income is higher than in 86% of U.S. residential ZIP codes, and it is denser than 20% 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 81637?
The 2020 Census counted 9,845 people in 81637; the ACS, which samples households over 2020-2024, estimates 10,744. Between the 2010 and 2020 censuses its population grew 27.5% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 10,744
- 2020 Census count
- 9,845+27.5% since 2010 (7,721)
- Households
- 3,348
- Median age
- 33.6
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 81637?
Of the 10,744 people the ACS estimates in 81637, 31.1% are under 18 and 10.2% are 65 or older. The largest group by race and Hispanic origin is Hispanic or Latino (53.2%), then White (not Hispanic) (44.6%).
- Under 1831.1%
- 18 to 6458.7%
- 65 and older10.2%
- Hispanic or Latino53.2%
- White, not Hispanic44.6%
- Other or two or more1.7%
- Asian, not Hispanic0.5%
- Black, 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 81637 earn?
Median household income is $109,209 (ACS 2020-2024), the 2nd highest of the 8 ranked ZIP codes in Garfield County. It is not measurably different from 2015-2019 ($98,109 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $109,209±$15,102
- Income per person
- $42,009
- Below the poverty line
- 8.4%
- Unemployed (of the labor force)
- 1.5%
- Adults 25+ with a bachelor's degree
- 30.3%
- Adjusted gross income per tax return, 2022
- $80,4944,380 returns; wages 74% 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 81637?
FHFA's house price index for 81637, built from repeat sales and appraisals of the same homes, rose 120% from 2015 to 2025 and rose 58% from 2020 to 2025, and moved −5.0% in 2025.
- Median home value (owners' estimate)
- $616,200
- Median gross rent
- $2,140
- Homes owned by their occupants
- 71.8%
- Housing units
- 3,565
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 81637?
417 business establishments had a location in this ZIP code in 2023, 96 more than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction166
- Transportation and warehousing35
- Real estate and rental and leasing31
- Administrative and support and waste management and remediation services30
- Professional, scientific, and technical services28
- Other services (except public administration)25
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 81637?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 80426 | Burns | 102 | $96k | 9.1 mi |
| 81601 | Glenwood Springs | 16,844 | $109k | 18.1 mi |
| 80479 | Toponas | 32 | – | 20.2 mi |
| 81631 | Eagle | 8,958 | $114k | 20.6 mi |
| 80463 | McCoy | 100 | $193k | 23.2 mi |
| 80483 | Yampa | 455 | $85k | 23.5 mi |
| 81621 | Basalt | 6,550 | $105k | 30.2 mi |
| 81623 | Carbondale | 15,067 | $110k | 36.9 mi |
| 81641 | Meeker | 3,621 | $63k | 44.1 mi |
| 81655 | Wolcott | 227 | $126k | 22.4 mi (near) |
| 81647 | New Castle | 6,882 | $78k | 26.5 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.