Overview
67,077
Total Population
44.2
Median age
48.50%
Female population %
106.2:100
Gender ratio (M:F)
55-59 years
Largest age group
56.4
Total dependency ratio
White
Largest racial group
738
Hispanic population
Sources: U.S. Census Bureau, American Community Survey (ACS) 2021
TABLE OF CONTENTS
Age
Belmont County's population is old compared to the rest of the country:
- The median age in Belmont County is 44.2, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
- Belmont County's population under 18 was 19.02%, compared to the 22.51% nationwide.
- Belmont County's elderly or the senior population (over 65 age) was 20.67% as compared to 16.04% nationwide.
- Of the total population in Belmont County, 15.40% were under the age of 15, 17.28% aged 15 to 29, 46.65% aged 30 to 64, 18.11% aged 65 to 84, and 2.57% were 85 years of age and older.

Read more about Belmont County, OH population by age ➔
Gender
There are 2,017 less females than males in Belmont County:
- The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 48.50% females and 51.50% males in Belmont County, OH.
- The Belmont County, OH gender ratio is 106.2:100 i.e. 106.2 men to 100 women (1.062).
- For male population, the largest age group is 55-59 years with a population of 2,737.
- For the female population, the largest age group is 60-64 years with a population of 2,752.

Read more about Belmont County, OH population by gender ➔
Race / Ethnicity
Belmont County's population has become increasingly diverse:
- Racial distribution of Belmont County population: 92.67% are White, 3.11% are Black or African American, 0.09% are American Indian and Alaska Native, 0.59% are Asian, 0.07% are Native Hawaiian and other Pacific Islander, 0.54% are some other race and 2.92% are multiracial.
- Belmont County's racial breakdown clearly shows that there is an absolute majority of White population in the county.
- By ethnicity, 738 is Hispanic or Latino (of any race), and 66,339 (98.90% of the total population) is Non-Hispanic.
- The largest racial group in Belmont County is White with a population of 62,162 (92.67% of the total population).

Read more about Belmont County, OH population by race ➔
Year by year
Belmont County's population has already reached its peak and is showing a trend of decline:
- The peak population was 70,337 in the year 2010
- From 2000 to 2010, Belmont County's population increased by 168 (0.24%), as compared to the national growth of 9.63%.
- From 2010 to 2020, Belmont County's population decreased by 4,054 (5.76%), 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, Belmont County's population was lowest in year 2022 at 65,509.

Read more about Belmont County, OH population by year ➔
References
- U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates
- U.S. Census Bureau Population Estimates Population Estimates Program (PEP)