Gallia County, OH Population

Overview

29,369

Total Population

40.7

Median age

50.63%

Female population %

97.5:100

Gender ratio (M:F)

55-59 years

Largest age group

61.1

Total dependency ratio

White

Largest racial group

408

Hispanic population

Sources: U.S. Census Bureau, American Community Survey (ACS) 2021

TABLE OF CONTENTS

Age

Gallia County's population is old compared to the rest of the country:

The median age in Gallia County is 40.7, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Gallia County's population under 18 was 23.13%, compared to the 22.51% nationwide.
Gallia County's elderly or the senior population (over 65 age) was 18.86% as compared to 16.04% nationwide.
Of the total population in Gallia County, 19.08% were under the age of 15, 18.07% aged 15 to 29, 43.99% aged 30 to 64, 16.71% aged 65 to 84, and 2.15% were 85 years of age and older.

There are 369 more females than males in Gallia County:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 50.63% females and 49.37% males in Gallia County, OH.
The Gallia County, OH gender ratio is 97.5:100 i.e. 97.5 men to 100 women (0.975).
For male population, the largest age group is 5-9 years with a population of 1,131.
For the female population, the largest age group is 55-59 years with a population of 1,098.

Gallia County's population has become increasingly diverse:

Racial distribution of Gallia County population: 93.19% are White, 2.11% are Black or African American, 0.14% are American Indian and Alaska Native, 0.79% are Asian, 0.66% are some other race and 3.10% are multiracial.
Gallia County's racial breakdown clearly shows that there is an absolute majority of White population in the county.
By ethnicity, 408 is Hispanic or Latino (of any race), and 28,961 (98.61% of the total population) is Non-Hispanic.
The largest racial group in Gallia County is White with a population of 27,368 (93.19% of the total population).

Gallia County's population has already reached its peak and is showing a trend of decline:

The peak population was 31,137 in the year 2003
From 2000 to 2010, Gallia County's population decreased by 18 (0.06%), as compared to the national growth of 9.63%.
From 2010 to 2020, Gallia County's population decreased by 1,825 (5.87%), according to Census Bureau's Population Estimates Program. For the same period, the rate of growth for the United States was 7.17%.
Between the year 2000 and 2022, Gallia County's population was lowest in year 2022 at 29,068.