ZIP Codes of Rio Blanco County, CO

Population & People
Population & People
Total Population
6,417
Household Income
Household Income
Median Income
$67,388
Housing
Housing
Total Housing Units
3,227
Business & Economy
Business & Economy
Total Businesses
191
Employment
Employment
Employment Rate
61.11%
Education
Education
Bachelor's Degree+
25.05%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 2 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:2 ZIP Codes (2 Standard, 0 PO Box, 0 Unique) [See All]
Area Code:970
Timezone:Mountain (GMT -07:00)
Local Time:2:11:34 PM
Population:6,417 [See All]
FIPS:08103
Land Area:2,896 sq mi
Water Area:2 sq mi
Coordinates:40.0134, -108.3316
Quick Link:
https://www.zip-codes.com/county/co-rio-blanco.asp
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Colorado's #44 most populous county
6,417 residents across 2 ZIPs — #44 of 65 Colorado counties.

Standout ZIPs in this County


Most Populous
Meeker · 3,621 people
56.4% of county total
Highest Income
Rangely · $71,705 median
1.1× county average
Largest Land Area
Meeker · 1,714.0 sq mi
Spans the most ground
Fastest Growth
Rangely · 4.4% (10-yr)
2,677 → 2,796 residents
Most Educated
Meeker · 31.8% bachelor's+
826 of 2,601 adults 25+

Things worth knowing about Rio Blanco County


6,417 residents live across 2 ZIPs covering 2,896 sq mi, served by 2 distinct USPS-recognized cities.

Population moved from 6,280 to 6,417 from 2014 to 2024 — a +2.2% change. 2 ZIPs gained residents, 0 lost.

The county's wealthiest ZIP 81648 (Rangely, $71,705 median) and poorest ZIP 81641 (Meeker, $63,070) are 55.0 miles apart — a 1.1× income gap across local geography.

Median home values vary 1.7× across this county — from $199,300 in 81648 (Rangely) to $329,700 in 81641 (Meeker).

Density varies across the county — from 2 people/sq mi in 81641 (Meeker) to 2 in 81648 (Rangely).

Educational attainment ranges from 15.2% bachelor's+ in 81648 (Rangely) to 31.8% in 81641 (Meeker) — the breadth of educational profiles across the area.

Within Colorado, this is the #44 most populous of 65 counties and ranks #38 for median household income .

Weighted by population, the typical household earns about $66,832 across the county — reflecting what a typical resident sees, not a simple ZIP average.

25.0% of adults age 25+ hold a bachelor's degree or higher (1,095 of 4,372 reporting).

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

Stories about Rio Blanco 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
2,896
square miles
Avg density
2.2
people per sq mi
Population
6,417
across 2 ZIPs
Meeker
1,714.0 sq mi
3,621 residents
Rangely
1,181.8 sq mi
2,796 residents

All ZIP Codes in Rio Blanco County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
81641MeekerStandard3,621$63,0701,714.00.5%
81648RangelyStandard2,796$71,7051,181.84.4%

Adjacent & Nearby Counties