ZIP Codes of Chaffee County, CO

Population & People
Population & People
Total Population
20,244
Household Income
Household Income
Median Income
$90,592
Housing
Housing
Total Housing Units
11,508
Business & Economy
Business & Economy
Total Businesses
1,081
Employment
Employment
Employment Rate
52.87%
Education
Education
Bachelor's Degree+
46.88%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 6 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:6 ZIP Codes (4 Standard, 2 PO Box, 0 Unique) [See All]
Area Code:719
Timezone:Mountain (GMT -07:00)
Local Time:2:11:32 PM
Population:20,244 [See All]
FIPS:08015
Land Area:1,058 sq mi
Water Area:2 sq mi
Coordinates:38.6962, -106.2025
Quick Link:
https://www.zip-codes.com/county/co-chaffee.asp
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Wide geographic spread
ZIPs range from 464.8 sq mi down to 9.20 — a 51× sprawl ratio.
Striking education divide
Bachelor's share spans 39.0% to 70.9% — a 32-point gap.

Standout ZIPs in this County


Most Populous
Salida · 9,294 people
45.9% of county total
Highest Income
Nathrop · $98,170 median
1.1× county average
Largest Land Area
Buena Vista · 464.8 sq mi
Spans the most ground
Fastest Growth
Buena Vista · 12.7% (10-yr)
7,364 → 8,302 residents
Most Educated
Nathrop · 70.9% bachelor's+
942 of 1,329 adults 25+

Things worth knowing about Chaffee County


20,244 residents live across 6 ZIPs covering 1,058 sq mi, served by 6 distinct USPS-recognized cities.

Population moved from 18,138 to 20,244 from 2014 to 2024 — a +11.6% change. 4 ZIPs gained residents, 1 lost.

The county's wealthiest ZIP 81236 (Nathrop, $98,170 median) and poorest ZIP 81201 (Salida, $80,248) are 11.2 miles apart — a 1.2× income gap across local geography.

Median home values vary 1.5× across this county — from $482,500 in 81242 (Poncha Springs) to $745,400 in 81236 (Nathrop).

Density varies 32× across the county — from 11 people/sq mi in 81236 (Nathrop) to 349 in 81242 (Poncha Springs).

Educational attainment ranges from 34.4% bachelor's+ in 81242 (Poncha Springs) to 70.9% in 81236 (Nathrop) — the breadth of educational profiles across the area.

Within Colorado, this is the #25 most populous of 65 counties and ranks #20 for median household income with the #16 fastest decade growth .

Weighted by population, the typical household earns about $85,656 across the county — reflecting what a typical resident sees, not a simple ZIP average.

46.9% of adults age 25+ hold a bachelor's degree or higher (7,765 of 16,565 reporting).

4 Standard delivery, 2 PO Box only, 0 single-entity Unique ZIPs serve this county.

Stories about Chaffee County


Higher-education hub

1 ZIP in this county where more than 60% of adults 25+ hold a bachelor's degree — typically college campuses, research enclaves, or tech corridors.

Nathrop
70.9%
1,748 residents

Big & sparse

A frontier county — vast land area with only a few residents per square mile. Daily life looks very different here than in the country's denser counties.

Total area
1,058
square miles
Avg density
19.1
people per sq mi
Population
20,244
across 6 ZIPs
Buena Vista
464.8 sq mi
8,302 residents
Salida
422.1 sq mi
9,294 residents
Nathrop
160.0 sq mi
1,748 residents

All ZIP Codes in Chaffee County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
81201SalidaStandard9,294$80,248422.14.6%
81211Buena VistaStandard8,302$88,083464.812.7%
81236NathropStandard1,748$98,170160.096.6%
81242Poncha SpringsPO Box807$95,8652.3-18.1%
81227MonarchPO Box930.0675.0%
81228GraniteStandard09.2

Adjacent & Nearby Counties