Sinking Spring, Ohio Demographics & Population 2026

A note before these figures: with a population of 319, Sinking Spring's ACS estimates come from a small number of survey responses and carry wide margins of error. Individual percentages below — particularly rates that round to 0% or 100% — are approximations, not precise measurements. See data.census.gov for the published margins of error.

Population Overview

Sinking Spring is a small community located in Ohio, within Highland County. The total population is 319. It ranks as the 999th most populous out of 1,264 Census-designated places in Ohio.

Age Demographics

The median age in Sinking Spring is 31.3 years. This is 21% lower than the state median of 39.7 years. With 37.0% of the population under 18, Sinking Spring has a notably young demographic profile, suggesting a family-oriented community.

Economy, Income & Housing

The median household income in Sinking Spring is $108,090. This is 51% higher than the state median of $71,389. It is also 34% higher than the national median of $80,734. The poverty rate stands at 11.0%. This is 17% lower than the state poverty rate of 13.3%. The unemployment rate is 10.5%. This is 120% higher than the state rate of 4.8%. The median home value is $151,600. Housing costs are 29% lower than the state median of $214,800. With a home-value-to-income ratio of just 1.4x, Sinking Spring is one of the most affordable housing markets in the area. 94.1% of occupied housing units are owner-occupied. This homeownership rate is 40% higher than the state average of 67.2%.

Race & Ethnicity

Sinking Spring has a predominantly White (non-Hispanic) population, comprising 92.2% of all residents. Hispanic or Latino residents account for 1.6%. The Hispanic or Latino population (1.6%) is well below the state average of 4.8%.

Education

1.1% of residents aged 25 and older hold a bachelor's degree or higher. This is among the lowest rates in the state, which may correlate with employment and income patterns. This is 96% lower than the state rate of 31.5%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 91.4%.

Data Sources & Methodology

All demographic data for Sinking Spring, Ohio is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against Ohio state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,264 Census-designated places in Ohio. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.