ZIP Codes of La Plata County, CO

Population & People
Population & People
Total Population
5,571
Household Income
Household Income
Median Income
$63,860
Housing
Housing
Total Housing Units
2,546
Business & Economy
Business & Economy
Total Businesses
2,470
Employment
Employment
Employment Rate
56.08%
Education
Education
Bachelor's Degree+
21.94%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 1 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:7 ZIP Codes (5 Standard, 2 PO Box, 0 Unique) [See All]
Area Codes:505 / 970
Timezone:Mountain (GMT -07:00)
Local Time:2:11:33 PM
Population:5,571 [See All]
FIPS:35045
CBSA:Farmington, NM
Land Area:1,910 sq mi
Water Area:23 sq mi
Coordinates:37.1081, -107.6572
Quick Link:
https://www.zip-codes.com/county/co-la-plata.asp
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Striking education divide
Bachelor's share spans 21.9% to 59.7% — a 38-point gap.

Standout ZIPs in this County


Most Populous
Durango · 29,774 people
52.2% of county total
Highest Income
Bayfield · $93,714 median
1.1× county average
Largest Land Area
Durango · 736.3 sq mi
Spans the most ground
Fastest Growth
Durango · 31.2% (10-yr)
7,799 → 10,236 residents
Most Educated
Durango · 59.7% bachelor's+
12,952 of 21,699 adults 25+

Things worth knowing about La Plata County


57,040 residents live across 7 ZIPs covering 1,910 sq mi, served by 5 distinct USPS-recognized cities.

Population moved from 52,755 to 57,040 from 2014 to 2024 — a +8.1% change. 4 ZIPs gained residents, 1 lost.

The county's wealthiest ZIP 81122 (Bayfield, $93,714 median) and poorest ZIP 81137 (Ignacio, $63,860) are 20.7 miles apart — a 1.5× income gap across local geography.

Median home values vary 2.1× across this county — from $335,300 in 81137 (Ignacio) to $695,800 in 81301 (Durango).

Density varies 10× across the county — from 7 people/sq mi in 81326 (Hesperus) to 64 in 81303 (Durango).

Educational attainment ranges from 21.9% bachelor's+ in 81137 (Ignacio) to 59.7% in 81301 (Durango) — the breadth of educational profiles across the area.

Within Colorado, this is the #48 most populous of 65 counties and ranks #42 for median household income .

Weighted by population, the typical household earns about $84,065 across the county — reflecting what a typical resident sees, not a simple ZIP average.

48.9% of adults age 25+ hold a bachelor's degree or higher (20,454 of 41,870 reporting).

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

Stories about La Plata County


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
1,910
square miles
Avg density
29.9
people per sq mi
Population
57,040
across 7 ZIPs
Durango
736.3 sq mi
29,774 residents
Bayfield
419.6 sq mi
8,838 residents
Hesperus
390.4 sq mi
2,621 residents

All ZIP Codes in La Plata County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
81301DurangoStandard29,774$83,943736.31.7%
81303DurangoStandard10,236$88,103159.931.2%
81122BayfieldStandard8,838$93,714419.611.7%
81137IgnacioStandard5,571$63,860203.6-2.3%
81326HesperusStandard2,621$80,089390.427.0%
81302DurangoPO Box0.0
81329MarvelPO Box0.0

Adjacent & Nearby Counties