ZIP Codes of Sanpete County, UT

Population & People
Population & People
Total Population
30,024
Household Income
Household Income
Median Income
$70,711
Housing
Housing
Total Housing Units
10,607
Business & Economy
Business & Economy
Total Businesses
534
Employment
Employment
Employment Rate
53.66%
Education
Education
Bachelor's Degree+
22.96%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 15 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:15 ZIP Codes (8 Standard, 7 PO Box, 0 Unique) [See All]
Area Code:435
Timezone:Mountain (GMT -07:00)
Local Time:2:14:06 PM
Population:30,024 [See All]
FIPS:49039
Land Area:1,343 sq mi
Water Area:3 sq mi
Coordinates:39.3586, -111.6357
Quick Link:
https://www.zip-codes.com/county/ut-sanpete.asp
Need Sanpete data in your app? Look up ZIP, county, and city data with a single API call.
Try Free
Utah's #13 most populous county
30,024 residents across 15 ZIPs — #13 of 29 Utah counties.

Standout ZIPs in this County


Most Populous
Ephraim · 6,244 people
20.8% of county total
Highest Income
Centerfield · $77,778 median
1.1× county average
Largest Land Area
Fairview · 449.4 sq mi
Spans the most ground
Fastest Growth
Spring City · 43.8% (10-yr)
1,015 → 1,460 residents
Most Educated
Ephraim · 39.6% bachelor's+
1,096 of 2,769 adults 25+

Things worth knowing about Sanpete County


30,024 residents live across 15 ZIPs covering 1,343 sq mi, served by 15 distinct USPS-recognized cities.

Population moved from 28,443 to 30,024 from 2014 to 2024 — a +5.6% change. 9 ZIPs gained residents, 6 lost.

The county's wealthiest ZIP 84622 (Centerfield, $77,778 median) and poorest ZIP 84646 (Moroni, $64,324) are 27.8 miles apart — a 1.2× income gap across local geography.

Median home values vary 1.5× across this county — from $292,700 in 84634 (Gunnison) to $427,800 in 84627 (Ephraim).

Density varies 10× across the county — from 6 people/sq mi in 84629 (Fairview) to 62 in 84622 (Centerfield).

Educational attainment ranges from 8.2% bachelor's+ in 84646 (Moroni) to 39.6% in 84627 (Ephraim) — the breadth of educational profiles across the area.

Within Utah, this is the #13 most populous of 29 counties and ranks #22 for median household income with the #22 fastest decade growth .

Weighted by population, the typical household earns about $69,766 across the county — reflecting what a typical resident sees, not a simple ZIP average.

23.0% of adults age 25+ hold a bachelor's degree or higher (4,193 of 18,259 reporting).

8 Standard delivery, 7 PO Box only, 0 single-entity Unique ZIPs serve this county.

Stories about Sanpete 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
1,343
square miles
Avg density
22.4
people per sq mi
Population
30,024
across 15 ZIPs
Fairview
449.4 sq mi
2,907 residents
Mount Pleasant
156.3 sq mi
4,770 residents
Sterling
120.7 sq mi
793 residents

All ZIP Codes in Sanpete County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
84627EphraimStandard6,244$72,875109.8-2.8%
84647Mount PleasantStandard4,770$65,970156.310.7%
84634GunnisonPO Box3,747$72,13073.410.7%
84642MantiStandard3,501$66,25085.01.5%
84629FairviewStandard2,907$65,962449.4-12.4%
84646MoroniPO Box1,882$64,32494.73.6%
84632Fountain GreenPO Box1,522$72,99662.132.5%
84662Spring CityPO Box1,460$73,29553.143.8%
84622CenterfieldPO Box1,240$77,77820.0-15.8%
84665SterlingPO Box793120.796.8%
84643MayfieldPO Box650$69,87038.366.2%
84630FayetteStandard471$75,83335.973.2%
84623ChesterStandard3580.0-17.5%
84667WalesStandard355$71,25013.5-3.0%
84621AxtellStandard12430.8-47.7%

Adjacent & Nearby Counties