County outline
Where Logan County is located
Area breakdown
Land accounts for 98.2% of Logan County’s measured area and water for 1.8%. Its combined area converts to 1,209.1 square kilometers or approximately 298,780 acres.
Green: land · blue: water
| Measurement | Square miles | Square kilometers | Acres |
|---|---|---|---|
| Land | 458.508 | 1,187.53 | 293,445.1 |
| Water | 8.335 | 21.588 | 5,334.4 |
| Total | 466.843 | 1,209.118 | 298,779.5 |
How Logan County compares
By original Census land area, Logan County ranks #38 of 88 in Ohio and #2232 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.
Its land area is 1.052 times the Ohio county-equivalent median of 436 square miles. It accounts for 1.1% of the combined county land area in the state.
See the complete Ohio ranking · What counts as a county equivalent?
Population and density of Logan County
The Census Bureau estimates that 46,302 people lived in Logan County on July 1, 2025. That ranks #1,083 of 3,222 county equivalents nationally and #52 of 88 in Ohio. Since the April 1, 2020 estimates base of 46,148, the population has grown by 154 (+0.3%), compared with +0.9% for Ohio as a whole.
With 458.5 square miles of land, that is 101 people per square mile (39 per km²), placing Logan County #987 nationally for density and #54 in Ohio. The median county equivalent has 47 people per square mile; the Ohio median is 120. Put another way, there are about 6.3 acres of land per resident.
| July 1 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|---|
| Estimate | 46,117 | 46,166 | 46,067 | 46,064 | 46,072 | 46,302 |
| Change | — | +49 | −99 | −3 | +8 | +230 |
U.S. Census Bureau, Vintage 2025 population estimates. Estimates are revised each year and are not decennial census counts. Density divides the whole population by the whole county’s land area, so it describes an average, not how settlement is distributed within the county. Population sources and methods.
Cities and towns in Logan County
13 incorporated places lie at least partly in Logan County. Together they are home to 23,274 people (50.3%); the other 23,028 (49.7%) live outside any incorporated place, in unincorporated communities and rural areas.
The largest is Bellefontaine city, with 14,151 residents in the county. Among places with at least 1,000 residents in 2020, Lakeview village grew fastest since then (+4.1%).
| Incorporated place | Population 2025 | Since 2020 | Land mi² |
|---|---|---|---|
| Bellefontaine cityCounty seat | 14,151 | +0.2% | 10.2 |
| West Liberty village | 1,756 | −0.5% | 1.217 |
| Russells Point village | 1,323 | 0% | 0.93 |
| De Graff village | 1,256 | +0.3% | 1.003 |
| Lakeview village | 1,232 | +4.1% | 0.708 |
| Belle Center village | 802 | −0.5% | 0.698 |
| West Mansfield village | 766 | +1.3% | 0.832 |
| Quincy village | 548 | +1.3% | 1.121 |
| Rushsylvania village | 497 | +1.4% | 0.783 |
| Huntsville village | 412 | +1.7% | 0.303 |
| Valley Hi village | 229 | +0.9% | 0.622 |
| Zanesfield village | 192 | +1.6% | 0.106 |
| Ridgeway villageAlso in 1 other county | 110 | +0.9% | 0.566 |
Population: U.S. Census Bureau Vintage 2025 subcounty estimates, counting only the part of each place inside Logan County. Land: 2026 Census Gazetteer, for the whole place even where it extends into other counties. How communities are listed.
Metropolitan area
Logan County is a central county of the Bellefontaine, OH Micropolitan Statistical Area. Logan County is the area’s only county equivalent, so the micro area has the same 458.5 square miles of land. By combined land it ranks #454 of 542 micropolitan areas, and #256 by population. It belongs to the Columbus-Marion-Zanesville, OH Combined Statistical Area.
ZIP codes
19 ZIP Code Tabulation Areas have land in Logan County; 13 of them have most of their land inside the county, and the others mainly cover neighboring areas.
43060430674331043311433184331943324433314333343336433434334543347433484335743358433604533445895
ZIP Code Tabulation Areas are the Census Bureau’s approximations of USPS ZIP Code service areas, from the 2020 Census relationship files. Lighter codes have less than half of their land in this county. Post-office-box and single-address ZIP Codes have no tabulation area.
Counties bordering Logan County
Logan County shares a land border with 5 county equivalents. It has more land than 4 of them. The largest neighbor is Hardin County (470.3 mi²) and the smallest is Auglaize County (401.4 mi²). Together with its neighbors, Logan County forms a block of 2,598.6 mi² of land, of which it holds 17.6%.
| Bordering county equivalent | Land mi² | Size vs. Logan | Compare |
|---|---|---|---|
| Hardin County | 470.3 | about the same | Compare |
| Union County | 431.7 | 1.1× smaller | Compare |
| Champaign County | 429 | 1.1× smaller | Compare |
| Shelby County | 407.7 | 1.1× smaller | Compare |
| Auglaize County | 401.4 | 1.1× smaller | Compare |
How big is Logan County compared with U.S. states?
Logan County has less land than any of the 50 states. Rhode Island, the smallest state by land area, has 1,033.9 mi², about 2.3 times as much. Ohio’s county land could hold about 89 areas the size of Logan County.
Another way to picture it: the same land area would fill a square about 21.4 miles (34.5 km) on each side. Real county shapes are rarely square, so this is a scale reference rather than a width or driving distance.
State figures are the sums of each state’s county-equivalent land measurements in the same Census release, so states and counties are compared on the same basis. Published state totals can differ slightly because of rounding. Compare all states · Counties bigger than entire states.
What stands out about Logan County?
Logan County has more land than 990 of the other 3,221 county equivalents in the dataset.
A median is the middle county-equivalent measurement, not the average of the largest and smallest. All three bars use the same linear scale. Very small areas may appear as a thin sliver; the labels retain their values.
Does including water change its rank?
Using land plus water places Logan County at #2,297 nationally by total area, 65 places farther from the top than its land rank. Other county equivalents gain more area when their water measurements are included.
Its water share is 1.8%, compared with a national county-equivalent median of 1.2% — 0.6 percentage points higher. This describes the statistical geography’s land/water mix, not flood exposure or developable land.
Closest positions in the national land ranking
These entries sit immediately beside Logan County in the national ranking. They can be in different states and are not necessarily geographic neighbors.
| Land rank | County equivalent | Land mi² | Comparison |
|---|---|---|---|
| #2231 | Stewart County, Georgia | 458.8 | Compare |
| #2232 | Logan County, Ohio | 458.5 | This county |
| #2233 | Daviess County, Kentucky | 458.4 | Compare |
Calculated from the same Census release as the area table. Total-area order uses original ALAND + AWATER; water shares and chart labels use published square miles. Calculation details.
Representative coordinates
The Census internal point is 40.387553, -83.766343. It represents a location inside the geography; it is not necessarily the centroid or the address of a courthouse.
Source and precision
U.S. Census Bureau, 2026 Gazetteer Files, Counties. Original ALAND: 1,187,529,026 m²; AWATER: 21,588,084 m². Rankings use ALAND; exact ties use ascending GEOID. Tables preserve Census-published square miles to three decimals, with conversions based on those values.
Common questions
How big is Logan County?
Logan County, Ohio has 458.5 square miles (1,187.5 km²) of land and 8.335 square miles of water, for a total area of 466.8 square miles. It ranks #2232 of 3,222 U.S. county equivalents by land area.
Is Logan County the largest county in Ohio?
No. Logan County ranks #38 of 88 in Ohio by land area. The largest is Ashtabula County, with 702.4 square miles of land.
What counties border Logan County?
Logan County shares a land border with Champaign County, Union County, Hardin County, Shelby County, and Auglaize County.
What is the population of Logan County?
The Census Bureau estimates Logan County had 46,302 residents on July 1, 2025, ranking #1,083 of 3,222 county equivalents. That is 101 people per square mile of land.
What is the county seat of Logan County?
The county seat of Logan County is Bellefontaine.
What cities and towns are in Logan County?
Logan County has 13 incorporated places. The most populous five are Bellefontaine city, West Liberty village, Russells Point village, De Graff village, and Lakeview village; 23,028 residents live outside any incorporated place.
Is Logan County part of a metropolitan area?
Yes. It is a central county of the Bellefontaine, OH Micropolitan Statistical Area.
How many ZIP codes are in Logan County?
19 ZIP Code Tabulation Areas have land in Logan County, and 13 of them have most of their land inside the county. Census ZIP Code Tabulation Areas approximate USPS ZIP Code areas.
How does Logan County compare with U.S. states?
It has less land than every state. Rhode Island, the smallest, has 2.3 times as much land.
How many acres of land are in Logan County?
The land measurement converts to approximately 293,445 acres. Including water, total area is approximately 298,780 acres. One square mile equals 640 acres.
Why might another source show a different area?
Check whether it reports land or total area, its Census vintage, and its rounding. Our guide explains how to reconcile county area figures.
Can this establish a property boundary?
No. Statistical measurements and generalized maps do not establish property lines. Consult the relevant local surveying or land-records authority.