ZIP Codes of Dolores County, CO

Population & People
Population & People
Total Population
2,471
Household Income
Household Income
Median Income
$87,940
Housing
Housing
Total Housing Units
1,497
Business & Economy
Business & Economy
Total Businesses
67
Employment
Employment
Employment Rate
61.56%
Education
Education
Bachelor's Degree+
28.25%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 3 ZIPs in this county.
Data Last Updated: July 1, 2026
ZIP Codes:3 ZIP Codes (2 Standard, 1 PO Box, 0 Unique) [See All]
Area Code:970
Timezone:Mountain (GMT -07:00)
Local Time:11:52:50 PM
Population:2,471 [See All]
FIPS:08033
Land Area:512 sq mi
Water Area:0 sq mi
Coordinates:37.7224, -108.5525
Quick Link:
https://www.zip-codes.com/county/co-dolores.asp
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Among America's 25 fastest-growing counties
#6 nationwide, +58.4% population over the decade.
Among Colorado's 5 oldest counties
Median age 56.9.

Standout ZIPs in this County


Most Populous
Dove Creek · 1,815 people
73.5% of county total
Highest Income
Rico · $104,250 median
1.2× county average
Largest Land Area
Dove Creek · 253.6 sq mi
Spans the most ground
Fastest Growth
Dove Creek · 53.7% (10-yr)
1,181 → 1,815 residents
Most Educated
Dove Creek · 22.8% bachelor's+
346 of 1,515 adults 25+

Things worth knowing about Dolores County


2,471 residents live across 3 ZIPs covering 512 sq mi, served by 3 distinct USPS-recognized cities.

Population moved from 1,560 to 2,471 from 2014 to 2024 — a +58.4% change. 3 ZIPs gained residents, 0 lost.

The county's wealthiest ZIP 81332 (Rico, $104,250 median) and poorest ZIP 81324 (Dove Creek, $71,630) are 55.1 miles apart — a 1.5× income gap across local geography.

Median home values vary 2.5× across this county — from $223,100 in 81324 (Dove Creek) to $560,400 in 81332 (Rico).

Density varies across the county — from 1 people/sq mi in 81320 (Cahone) to 7 in 81324 (Dove Creek).

Educational attainment ranges from 22.8% bachelor's+ in 81324 (Dove Creek) to 51.0% in 81332 (Rico) — the breadth of educational profiles across the area.

Within Colorado, this is the #58 most populous of 65 counties and ranks #22 for median household income with the #1 fastest decade growth .

On the national stage, Dolores County is and #6 for decade growth .

Weighted by population, the typical household earns about $77,689 across the county — reflecting what a typical resident sees, not a simple ZIP average.

28.2% of adults age 25+ hold a bachelor's degree or higher (585 of 2,071 reporting).

2 Standard delivery, 1 PO Box only, 0 single-entity Unique ZIPs serve this county.

Stories about Dolores 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
512
square miles
Avg density
4.8
people per sq mi
Population
2,471
across 3 ZIPs
Dove Creek
253.6 sq mi
1,815 residents
Cahone
194.4 sq mi
242 residents
Rico
64.5 sq mi
414 residents

Single-ZIP anchor

One ZIP holds the majority of this county's population — a sign of a county built around a single city or town.

Dove Creek

All ZIP Codes in Dolores County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
81324Dove CreekStandard1,815$71,630253.653.7%
81332RicoPO Box414$104,25064.5119.0%
81320CahoneStandard242194.427.4%

Adjacent & Nearby Counties