St. Clairsville Flag

St. Clairsville

County:
Belmont County
County Seat:
Yes
Area (mi²):
2.422
State:
Ohio

St. Clairsville is a city located in Belmont County, Ohio. St. Clairsville has a 2026 population of 4,894. It is also the county seat of Belmont County. St. Clairsville is currently declining at a rate of -0.61% annually and its population has decreased by -3.55% since the most recent census, which recorded a population of 5,074 in 2020.

The median household income in St. Clairsville is $76,480 with a poverty rate of 11.63%. The median age in St. Clairsville is 40.4 years: 34.9 years for males, and 51.3 years for females. For every 100 females there are 102.8 males.

4.9K
Total Population
2,020
Density (mi²)
-30 -0.61%
Growth

St. Clairsville Population

St. Clairsville Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20264,894-30-0.61%
20254,924-30-0.61%
20244,954-21-0.42%
20234,975-37-0.74%
20225,012-32-0.63%
20215,044-46-0.9%
20205,074-76-1.48%
20195,1501322.63%
20185,018-43-0.85%
20175,061-35-0.69%
20165,096-10-0.2%
20155,106-26-0.51%
20145,132-11-0.21%
20135,143-5-0.1%
20125,148-34-0.66%
20115,182-15-0.29%
20105,197130.25%
20005,057-105-2.03%
19905,162-290-5.32%
19805,45269814.68%
19704,75488923%
19603,86582527.14%
19503,0402438.69%
19402,79700%

Median Age

Overall: 40.4 years
Female: 51.3 years
Male: 34.9 years

St. Clairsville Adults

There are 4,013 adults, (1,454 of whom are seniors) in St. Clairsville.

Sex Ratio

Female: 2,467 (49.3%)
Male: 2,536 (50.7%)

Demographics

The racial composition of St. Clairsville includes 84.57% White, and smaller percentages for Black or African American, other race, Asian and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White4,23184.57%
Two or more races50210.03%
Black or African American1352.7%
Other race881.76%
Asian470.94%
Race
Population ↓
Percentage (of total)
Two or more races1312.62%
Other race881.76%
White350.7%
Race
Population ↓
Percentage (of total)
White4,19683.87%
Two or more races3717.42%
Black or African American1352.7%
Asian470.94%

St. Clairsville Marital Status

Economics and Income Statistics

St. Clairsville 's average per capita income is $48,699. Household income levels show a median of $76,480. The poverty rate stands at 11.63%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median ↓
Mean
Married Families$115,854-
Families$108,697$125,006
Households$76,480$95,180
Non Families$40,400$49,977

$48,699

Average Income

$76,480

Median Household Income

11.63%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)