Senecaville Population

2010–2026

406

2026 projection

3.8% since 2020 (decrease)

0100200300400500201020122014201620182020202220242026

Source: U.S. Census Bureau decennial counts and annual estimates, including 2010–2020 intercensal estimates. 2026 is a projection. Values between recorded years are interpolated.

Use the left and right arrow keys to inspect population observations.

Population by year

Population estimates for Senecaville. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
2026406-10.25%
202540700.00%
2024407+20.49%
202340500.00%
2022405-30.74%
2021408-143.32%
2020422-10.24%
2019423-51.17%
2018428-20.47%
2017430-61.38%

Showing 10 of 17 years.

The 2020 row compares the April 1 Census count with the July 1, 2019 estimate (about nine months). Its Growth and Annual change therefore do not represent a full year.

Growth since 2020, compared

Senecaville has a population change lower than Guernsey County, Ohio, and the U.S.

  • United States+3.1%
  • Ohio+0.9%
  • Guernsey County−0.1%
  • Senecaville−0.7%

Change from July 1, 2020 to July 1, 2025 population estimates—not annualized growth or site projections.

Source: U.S. Census Bureau. U.S. totals are summed from the 50 states and D.C.; unavailable comparisons are omitted.

Senecaville Demographics

40.1median age

Median age

Female39.5 yrs
Male40.4 yrs

Adults

333
95 seniors (65+) · 29% of adults238 other adults

Sex

Female 43.6% · 177Male 56.4% · 229

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101

Race and ethnicity

Tap a square or a group below to highlight it.

Each square is about 1% of residents (roughly 4 people).

Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002

Senecaville Income

$52,946median household income

Median household income

$52,946

Half of households earn more, half earn less

Median earnings

$53,194

Typical yearly pay for a worker 25 or older.

Poverty rate

21.7%

About 1 in 5 residents

U.S. Census Bureau, 2024 ACS 5-year estimates · Tables S1901, S1501, S1701

Senecaville Marital Status

48% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married48%47%49%
Never married31%31%31%
Divorced18%19%16%
Widowed4%3%5%
Separated0%0%0%

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201