ZIP Codes of Logan County, OH

Population & People
Population & People
Total Population
49,680
Household Income
Household Income
Median Income
$81,461
Housing
Housing
Total Housing Units
25,315
Business & Economy
Business & Economy
Total Businesses
892
Employment
Employment
Employment Rate
58.20%
Education
Education
Bachelor's Degree+
18.92%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 14 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:14 ZIP Codes (13 Standard, 1 PO Box, 0 Unique) [See All]
Area Codes:326 / 937
Timezone:Eastern (GMT -05:00)
Local Time:2:13:20 PM
Population:49,680 [See All]
FIPS:39091
CBSA:Bellefontaine, OH
Land Area:577 sq mi
Water Area:9 sq mi
Coordinates:40.3937, -83.7648
Quick Link:
https://www.zip-codes.com/county/oh-logan.asp
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Notable income spread
Median income ranges $51,426 to $136,141 across ZIPs — a 2.6× gap.

Standout ZIPs in this County


Most Populous
Bellefontaine · 20,391 people
41.0% of county total
Highest Income
East Liberty · $136,141 median
1.7× county average
Largest Land Area
Bellefontaine · 103.3 sq mi
Spans the most ground
Fastest Growth
Russells Point · 18.3% (10-yr)
1,603 → 1,897 residents
Most Educated
West Liberty · 28.0% bachelor's+
883 of 3,155 adults 25+

Things worth knowing about Logan County


49,680 residents live across 14 ZIPs covering 577 sq mi, served by 14 distinct USPS-recognized cities.

Population moved from 49,729 to 49,680 from 2014 to 2024 — a -0.1% change. 6 ZIPs gained residents, 8 lost.

The county's wealthiest ZIP 43319 (East Liberty, $136,141 median) and poorest ZIP 43348 (Russells Point, $51,426) are 19.8 miles apart — a 2.6× income gap across local geography.

Median home values vary 2.1× across this county — from $145,300 in 43331 (Lakeview) to $303,200 in 43319 (East Liberty).

Density varies 22× across the county — from 29 people/sq mi in 43333 (Lewistown) to 650 in 43348 (Russells Point).

Educational attainment ranges from 4.3% bachelor's+ in 43333 (Lewistown) to 28.0% in 43357 (West Liberty) — the breadth of educational profiles across the area.

Within Ohio, this is the #50 most populous of 88 counties and ranks #18 for median household income .

Weighted by population, the typical household earns about $74,501 across the county — reflecting what a typical resident sees, not a simple ZIP average.

18.9% of adults age 25+ hold a bachelor's degree or higher (6,571 of 34,728 reporting).

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

Stories about Logan 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
577
square miles
Avg density
86.1
people per sq mi
Population
49,680
across 14 ZIPs
Bellefontaine
103.3 sq mi
20,391 residents
West Liberty
69.0 sq mi
4,899 residents
Belle Center
66.5 sq mi
3,177 residents

All ZIP Codes in Logan County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
43311BellefontaineStandard20,391$67,914103.36.8%
43357West LibertyStandard4,899$92,44869.04.0%
43318De GraffStandard4,352$91,52064.3-15.9%
43331LakeviewStandard4,106$60,98033.1-9.0%
43310Belle CenterStandard3,177$68,38866.5-4.6%
43324HuntsvilleStandard2,733$56,46629.615.0%
43358West MansfieldStandard2,275$89,12159.8-22.5%
43348Russells PointStandard1,897$51,4262.918.3%
43360ZanesfieldStandard1,538$105,79529.7-10.9%
43343QuincyStandard1,366$63,43834.5-2.4%
43347RushsylvaniaStandard1,113$93,89329.5-20.1%
43333LewistownStandard94132.363.4%
43319East LibertyStandard851$136,14122.5-5.9%
43336MiddleburgPO Box410.0

Adjacent & Nearby Counties