• county
  • FIPS 39053
  • Largest town: Gallipolis

Gallia County, Ohio

Gallia County had 28,886 residents in the Census Vintage 2024 estimate, on 466.5 square miles of land. It ranks 74th of 88 in Ohio by population and 34th by land area.

Population
28,886
#74 of 88 in Ohio · #1,477 in US
Area
466.5 sq mi
#34 of 88 in Ohio · #2,206 in US
Density
62 / sq mi
#78 of 88 in Ohio · #1,282 in US
Median household income
$53,956
#81 of 88 in Ohio · #2,409 in US

Census Vintage 2024 estimates · SAIPE 2023 income · 2024 Gazetteer land area

Gallia County within Ohio. Pin: Columbus.

Measure from here

Tools and pages that start from Gallia County

Gallia County population, land area and income

Gallia County had 28,886 residents in the Census Vintage 2024 estimate, on 466.5 square miles of land. It ranks 74th of 88 in Ohio by population and 34th by land area. That works out to 61.9 people per square mile, below the US average of 96.3, and above the national county median.

The median county-equivalent in Ohio has 58,250 residents, so Gallia County has 50% of the typical county's population.

Its SAIPE 2023 median household income of $53,956 is in the bottom quarter among 3,143 counties with an estimate.

National rank among 3,144

Population

28,886

3144th1st

1477th of 3,144 (US)

Land area

467 sq mi

3144th1st

2206th of 3,144 (US)

Density

61.9 / sq mi

3144th1st

1282nd of 3,144 (US)

Median household income

$53,956

3143rd1st

2409th of 3,143 (US)

Rank within Ohio (88)

Population

28,886

88th1st

74th of 88 (OH)

Land area

467 sq mi

88th1st

34th of 88 (OH)

Density

61.9 / sq mi

88th1st

78th of 88 (OH)

Median household income

$53,956

88th1st

81st of 88 (OH)

How Gallia County's population changed since 2020

Gallia County lost 354 residents between the July 2020 and July 2024 estimates, a drop of 1.2%. That ranks 67th of 88 in Ohio for growth. The median Ohio county changed by -0.2%, and the state as a whole by +0.7%.

Since the April 2020 estimates base, Gallia County recorded 1,422 births and 1,871 deaths, a natural change of -449. Net international migration added +38 and net domestic migration, people moving to or from other US counties, came to +60. The largest single component was natural change, which removed 449 people.

29.2k202029.2k202129.0k202229.0k202328.9k2024
Census Vintage 2024 county estimates for July 1 of each year. The axis starts above zero so year-to-year changes are visible.

Components of change, April 2020 to July 2024

Births
1,422
Deaths
1,871
Net international migration
+38
Net domestic migration
+60
Change, July 2023 to July 2024
-78

Where Gallia County is

The Census internal point of Gallia County is at 38.817000, -82.301700. It sits in UTM zone 17N. The map shades Ohio's 88 county-equivalents by population change from 2020 to 2024, darker for faster growth, with Gallia County outlined. Dots are towns of 1,000+ people with residents in it.

Shelby County: -0.4%Defiance County: +1.0%Darke County: -0.8%Seneca County: -0.6%Wood County: +0.6%Fayette County: -0.7%Clark County: -0.7%Hocking County: -2.2%Jackson County: +0.2%Miami County: +2.7%Richland County: -0.1%Union County: +13.7%Auglaize County: -1.2%Hancock County: +0.1%Morgan County: -1.6%Van Wert County: -0.1%Hardin County: -1.0%Paulding County: -0.3%Portage County: +1.2%Delaware County: +10.6%Harrison County: -3.1%Ross County: -1.3%Crawford County: -0.9%Clinton County: -0.0%Henry County: -0.5%Pike County: -0.0%Cuyahoga County: -1.7%Highland County: +1.0%Knox County: +1.7%Ottawa County: -1.5%Huron County: -0.6%Erie County: -2.2%Holmes County: +1.0%Lawrence County: -4.0%Marion County: -0.6%Fairfield County: +5.2%Putnam County: -0.6%Guernsey County: -0.5%Vinton County: -2.1%Gallia County: -1.2%Trumbull County: -0.7%Wayne County: -0.2%Perry County: +0.6%Ashland County: -0.1%Fulton County: -1.4%Brown County: +1.4%Lucas County: -1.1%Stark County: -0.1%Medina County: +1.1%Belmont County: -2.4%Williams County: -1.4%Mahoning County: -1.0%Noble County: +1.1%Greene County: +2.5%Preble County: -0.5%Allen County: -1.2%Athens County: +1.3%Jefferson County: -2.0%Adams County: +0.8%Monroe County: -2.3%Washington County: -2.2%Logan County: -0.1%Franklin County: +2.4%Warren County: +5.3%Wyandot County: -2.1%Licking County: +3.4%Hamilton County: +0.8%Clermont County: +2.6%Butler County: +2.2%Coshocton County: +1.1%Geauga County: -0.0%Sandusky County: -0.0%Ashtabula County: -0.6%Carroll County: -0.9%Tuscarawas County: -1.2%Morrow County: +2.7%Montgomery County: +0.1%Mercer County: +0.3%Lake County: -0.1%Pickaway County: +6.0%Madison County: +3.8%Muskingum County: +0.1%Meigs County: -3.0%Columbiana County: -1.8%Lorain County: +2.7%Scioto County: -2.8%Champaign County: +0.4%Summit County: -0.3%
Change 2020 to 2024
  1. < -1.4%
  2. < -0.6%
  3. < -0.0%
  4. < +1.1%
  5. ≥ +1.1%
no data

Orange pin: Gallia County internal point. Dark pin: Columbus.

Internal point

Decimal
38.817000, -82.301700
DMS
38°49'1.20"N 82°18'6.12"W
UTM
17N 386991.6E 4297274.0N
Geohash
dnvkz4mtr
Plus code
86CVRM8X+R8

Towns in Gallia County

One incorporated place of 1,000+ people has residents in Gallia County, 3,282 people together, or 11% of the county. Each figure counts only the part of the town inside Gallia County; towns marked "part" extend into another county. The largest is Gallipolis with 3,282.

  1. 01Gallipolis3,282
Census Vintage 2024 subcounty estimates, county parts of incorporated places (SUMLEV 157).

Counties bordering Gallia County

The Census 2024 county adjacency file lists 6 neighbors for Gallia County, including 2 across a state line. The most populous is Cabell County, WV, with 91,489 residents. Distances run between Census internal points in a straight line.

Distance to Columbus and the nearest big city

Columbus is 87.5 miles NNW of Gallia County's internal point in a straight line. The nearest place of 100,000 or more is Columbus, OH (population 933,263), 88.5 miles away. The nearest place of 10,000 or more is Ironton, OH (population 10,147), 28.3 miles away.

Gallia County FIPS code

The FIPS code of Gallia County is 39053: state code 39 for Ohio plus county code 053. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $53,956.

Questions people ask

What is the population of Gallia County, Ohio?

The Census Vintage 2024 estimate for July 1, 2024 is 28,886. That is down 354 people (1.2%) from the July 2020 estimate of 29,240.

What is the FIPS code of Gallia County?

39053. The first two digits (39) are Ohio; the last three (053) identify the county.

What is the largest town in Gallia County?

Gallipolis, with 3,282 residents inside Gallia County in 2024.

Which counties border Gallia County?

6 county-equivalents border it in the Census 2024 adjacency file: Cabell County, WV; Lawrence County, OH; Jackson County, OH; Mason County, WV; Meigs County, OH; Vinton County, OH.

Sources and data as of

Data as of: Census Vintage 2024 population estimates, 2024 Gazetteer land area and internal points, SAIPE 2023 median household income.

  1. 01Census Vintage 2024 county population estimates
  2. 02Census 2024 Gazetteer, counties
  3. 03Census SAIPE 2023 state and county estimates
  4. 04Census Vintage 2024 subcounty population estimates
  5. 05Census 2024 county adjacency file
  6. 06Census 2024 cartographic boundary file, counties (1:5,000,000)

How every number is computed: methodology. Spotted a wrong figure? Report an error.