Holmes County, Ohio

County seat: Millersburg · Population 44,970 (2025) · 423 sq mi

Holmes County is the 54th most populous of Ohio's 88 counties, with 44,970 people (2025 estimate). Its county seat is Millersburg. The map shows its 7 cities and towns and the 6 neighboring counties.

Map of Holmes County, Ohio with cities, towns and the county boundary
Holmes County, Ohio with its cities and towns, unincorporated communities (CDPs) and neighboring counties. Boundaries: U.S. Census Bureau, 2025. Free to use with attribution (CC BY 4.0).

Holmes County facts

County seat
Millersburg
Population (2025 estimate)
44,970 +1.7% since 2020
Land area
423 sq mi 50th largest of 88
Water area
1 sq mi
Population density
106 per sq mi
Established
1824
Named after
Andrew Holmes United States Army officer
Largest city
Millersburg 3,295
Median household income
$76,140
Cities and towns
7 plus 5 CDPs
ZIP codes
19
Time zone
Eastern
FIPS code
39075

Cities and towns in Holmes County

Holmes County has 7 incorporated cities, towns and villages. Populations count the people living inside Holmes County; cities that cross a county line also list the other counties.

NameTypePopulation 2025Also in
Millersburg (county seat)Village3,295
KillbuckVillage816
HolmesvilleVillage377
GlenmontVillage238
NashvilleVillage186
BalticVillage160Coshocton and Tuscarawas counties
LoudonvilleVillage71Ashland County

Unincorporated communities (CDPs)

Census-designated places are communities without their own city government; the county provides their services.

CommunityPopulationAlso in
Berlin1,232
Walnut Creek1,053
Lake Buckhorn728
Winesburg133
Mount Hope131

ZIP codes in Holmes County

19 ZIP codes reach into Holmes County. ZIP codes ignore county lines, so some also cover a neighboring county.

Population of Holmes County, 2020–2025

Holmes County grew by 747 people (+1.7%) between April 2020 and July 2025: 2,341 more births than deaths and a net loss of 1,608 people from migration.

Year (July 1)Population
202044,239
202144,381
202244,361
202344,407
202444,743
202544,970

Neighboring counties

Printable Holmes County map

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Sources

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