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ZIP Code 81138
San Acacio, CO, Costilla County
Population
17
Land area
20.1sq mi
People per sq mi
1
City
San Acacio
ZIP 81138 and nearby ZIP codes
ZIP 81138 at a glance
- ZIP 81138 (San Acacio) is 99% less dense than Colorado as a whole.
Economy and federal money
Businesses, pandemic loans and political donations
PPP loans
$20.8K
1 loan
Campaign donations
$50
100% D, 0% R, 2026 cycle
Environment and hazard risk
ZIP 81138, from FEMA, NOAA and EPA
Natural hazard risk
Very Low
Top: landslide
Storm events since 1996
1,144
Countywide, mostly winter storm
Flood insurance policies
10
0.4% of homes, county
July high / Jan low
82° / 6°F
9.0 inches of rain a year
Health statistics
Share of adults in ZIP 81138, CDC PLACES estimates
Obesity
31.8%
U.S. 33.3% -1.5 pts
Diabetes
18.6%
U.S. 12.1% +6.5 pts
Smoking
16.1%
U.S. 12.8% +3.3 pts
Uninsured (18-64)
14.3%
U.S. 11.1% +3.2 pts
Frequently asked questions
- What city is ZIP code 81138?
- ZIP code 81138 is in San Acacio, CO (Costilla County).
- What county is ZIP code 81138 in?
- ZIP code 81138 is mostly in Costilla County, Colorado.
- How many people live in ZIP code 81138?
- About 17 people live in the 81138 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.
Source: U.S. Census Bureau (ZIP Code Tabulation Areas, American Community Survey) · Data as of 12/31/2023. ZIP Code Tabulation Areas closely match, but are not identical to, USPS ZIP code delivery areas.