ZIP Codes of Uinta County, WY

Population & People
Population & People
Total Population
6,254
Household Income
Household Income
Median Income
$143,748
Housing
Housing
Total Housing Units
2,640
Business & Economy
Business & Economy
Total Businesses
170
Employment
Employment
Employment Rate
57.74%
Education
Education
Bachelor's Degree+
22.99%
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:7 ZIP Codes (4 Standard, 3 PO Box, 0 Unique) [See All]
Area Code:307
Timezone:Mountain (GMT -07:00)
Local Time:2:14:25 PM
Population:6,254 [See All]
FIPS:56041
CBSA:Evanston, WY-UT
Land Area:1,886 sq mi
Water Area:1 sq mi
Coordinates:41.2226, -110.4369
Quick Link:
https://www.zip-codes.com/county/wy-uinta.asp
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Among America's 50 wealthiest counties
#28 nationwide, average median income $143,748.

Standout ZIPs in this County


Most Populous
Evanston · 14,435 people
69.8% of county total
Highest Income
Robertson · $250,001 median
1.9× county average
Largest Land Area
Evanston · 1,017.3 sq mi
Spans the most ground
Fastest Growth
Evanston · 0.0% (10-yr)
14,433 → 14,435 residents
Most Educated
Lyman · 24.1% bachelor's+
552 of 2,293 adults 25+

Things worth knowing about Uinta County


20,689 residents live across 7 ZIPs covering 1,886 sq mi, served by 6 distinct USPS-recognized cities.

Population moved from 21,130 to 20,689 from 2014 to 2024 — a -2.1% change. 4 ZIPs gained residents, 2 lost.

The county's wealthiest ZIP 82944 (Robertson, $250,001 median) and poorest ZIP 82930 (Evanston, $81,042) are 22.9 miles apart — a 3.1× income gap across local geography.

Median home values vary 3.6× across this county — from $254,500 in 82937 (Lyman) to $910,000 in 82944 (Robertson).

Density varies across the county — from 4 people/sq mi in 82944 (Robertson) to 14 in 82930 (Evanston).

Educational attainment ranges from 9.1% bachelor's+ in 82939 (Mountain View) to 39.1% in 82944 (Robertson) — the breadth of educational profiles across the area.

Within Wyoming, this is the #22 most populous of 28 counties and ranks #2 for median household income .

On the national stage, Uinta County is ranks #28 for income .

Weighted by population, the typical household earns about $90,999 across the county — reflecting what a typical resident sees, not a simple ZIP average.

22.8% of adults age 25+ hold a bachelor's degree or higher (3,084 of 13,515 reporting).

4 Standard delivery, 3 PO Box only, 0 single-entity Unique ZIPs serve this county.

Stories about Uinta County


Two counties in one

Median household income spans 3.1× between the wealthiest and poorest ZIPs — a sign of significant intra-county inequality.

Wealthiest ZIP
Robertson
Median income: $250,001
Population: 519
Bachelor's+: 39.1%
vs
Poorest ZIP (pop >= 500)
Evanston
Median income: $81,042
Population: 14,435
Bachelor's+: 22.7%
For every $1 of household income in 82930, the typical household in 82944 earns $3.08.

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
1,886
square miles
Avg density
11.0
people per sq mi
Population
20,689
across 7 ZIPs
Evanston
1,017.3 sq mi
14,435 residents
Lyman
259.9 sq mi
3,542 residents
Lonetree
190.9 sq mi
34 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.

Evanston

Population decline

Uinta County lost 6.6% of residents between 2014 and 2024. ZIPs that shed the largest share:

Mountain View
-30.6%
2,127 → 1,476 residents

All ZIP Codes in Uinta County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
82930EvanstonStandard14,435$81,0421,017.30.0%
82937LymanStandard3,542$98,000259.9-2.8%
82939Mountain ViewPO Box1,476$98,171140.4-30.6%
82933Fort BridgerStandard683$128,819145.48.8%
82944RobertsonPO Box519$250,001132.373.6%
82936LonetreeStandard34190.9
82931EvanstonPO Box0.0

Adjacent & Nearby Counties