ZIP Codes of Carbon County, UT

Population & People
Population & People
Total Population
20,517
Household Income
Household Income
Median Income
$51,068
Housing
Housing
Total Housing Units
9,624
Business & Economy
Business & Economy
Total Businesses
493
Employment
Employment
Employment Rate
53.03%
Education
Education
Bachelor's Degree+
18.79%
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 (5 Standard, 1 PO Box, 0 Unique) [See All]
Area Code:435
Timezone:Mountain (GMT -07:00)
Local Time:2:14:05 PM
Population:20,517 [See All]
FIPS:49007
CBSA:Price, UT
Land Area:1,243 sq mi
Water Area:4 sq mi
Coordinates:39.6225, -110.6935
Quick Link:
https://www.zip-codes.com/county/ut-carbon.asp
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Wide geographic spread
ZIPs range from 591.0 sq mi down to 4.16 — a 142× sprawl ratio.

Standout ZIPs in this County


Most Populous
Price · 13,042 people
63.6% of county total
Highest Income
Wellington · $61,466 median
1.2× county average
Largest Land Area
Helper · 591.0 sq mi
Spans the most ground
Fastest Growth
Helper · 10.3% (10-yr)
3,979 → 4,388 residents
Most Educated
Price · 19.9% bachelor's+
1,654 of 8,325 adults 25+

Things worth knowing about Carbon County


20,517 residents live across 6 ZIPs covering 1,243 sq mi, served by 6 distinct USPS-recognized cities.

Population moved from 21,160 to 20,517 from 2014 to 2024 — a -3.0% change. 3 ZIPs gained residents, 3 lost.

The county's wealthiest ZIP 84542 (Wellington, $61,466 median) and poorest ZIP 84539 (Sunnyside, $36,927) are 18.4 miles apart — a 1.7× income gap across local geography.

Median home values vary 2.8× across this county — from $86,300 in 84520 (East Carbon) to $243,800 in 84501 (Price).

Density varies 270× across the county — from 3 people/sq mi in 84520 (East Carbon) to 745 in 84539 (Sunnyside).

Educational attainment ranges from 7.8% bachelor's+ in 84539 (Sunnyside) to 19.9% in 84501 (Price) — the breadth of educational profiles across the area.

Within Utah, this is the #16 most populous of 29 counties and ranks #28 for median household income .

Weighted by population, the typical household earns about $57,751 across the county — reflecting what a typical resident sees, not a simple ZIP average.

18.8% of adults age 25+ hold a bachelor's degree or higher (2,548 of 13,558 reporting).

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

Stories about Carbon 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
1,243
square miles
Avg density
16.5
people per sq mi
Population
20,517
across 6 ZIPs
Helper
591.0 sq mi
4,388 residents
Price
305.3 sq mi
13,042 residents
East Carbon
299.7 sq mi
826 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.

Price

All ZIP Codes in Carbon County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
84501PriceStandard13,042$58,617305.3-3.2%
84526HelperStandard4,388$59,850591.010.3%
84542WellingtonStandard1,624$61,4664.2-19.7%
84520East CarbonStandard826$38,482299.7-27.1%
84539SunnysidePO Box510$36,9270.79.2%
84529KenilworthStandard12741.941.1%

Adjacent & Nearby Counties