St. Henry, Ohio Demographics & Population 2026
During the 2020–2024 ACS period, St. Henry, Ohio had a total population of 2,741, the 422nd largest village in Ohio, with a median household income of $115,653, which is 62% higher than the state average. The poverty rate is 2.8%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Household income is 62% above the state average — one of the wealthiest communities in Ohio.
- An exceptionally low poverty rate of 2.8% — among the lowest in Ohio.
- Housing is very affordable with a home-value-to-income ratio of just 2.5x.
St. Henry Quick Facts
How St. Henry Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 2,812 | 2,741 | -2.5% |
| Median household income | $113,629 | $115,653 | +1.8% |
| Median home value | $273,100 | $287,000 | +5.1% |
How St. Henry Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 41 | National average: 61
Education
Educational Attainment (Adults 25+)
St. Henry Rankings in Ohio
Explore Ohio Rankings
Other Cities in Mercer County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Celina | 10,903 | $62,849 | 11.4% | $164,100 |
| Coldwater | 4,191 | $68,009 | 2.4% | $232,200 |
| Fort Recovery | 1,729 | $66,563 | 2.7% | $162,500 |
| Maria Stein | 1,305 | $94,141 | 0.0% | $339,100 |
| Rockford | 1,008 | $57,833 | 10.8% | $135,400 |
| Mendon | 713 | $66,250 | 8.6% | $100,000 |
| Chickasaw | 394 | $101,250 | 1.3% | $296,900 |
| Montezuma | 117 | $80,833 | 4.3% | $110,900 |
Cities Similar to St. Henry
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Lithopolis | 2,522 | $115,208 | $350,000 | 39.2% | 7.5% |
| Greentown | 2,993 | $114,355 | $336,500 | 55.1% | 2.2% |
| Devola | 2,688 | $99,702 | $235,800 | 34.5% | 2.1% |
| Newtown | 2,685 | $99,434 | $401,400 | 55.1% | 5.9% |
| Shawnee Hills | 2,534 | $108,750 | $198,900 | 34.7% | 2.5% |
Population Overview
St. Henry is a small community located in Ohio, within Mercer County. The total population is 2,741. It ranks as the 422nd most populous out of 1,264 Census-designated places in Ohio.
Age Demographics
The median age in St. Henry is 33.3 years. This is 16% lower than the state median of 39.7 years. With 33.7% of the population under 18, St. Henry has a notably young demographic profile, suggesting a family-oriented community.
Economy, Income & Housing
The median household income in St. Henry is $115,653. This is 62% higher than the state median of $71,389. It is also 43% higher than the national median of $80,734. The poverty rate stands at 2.8%. This is 79% lower than the state poverty rate of 13.3%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The survey records no unemployed residents in St. Henry, which reflects the size of the sample rather than a labor market without joblessness. The median home value is $287,000. Housing costs are 34% higher than the state median of $214,800. With a home-value-to-income ratio of just 2.5x, St. Henry is one of the most affordable housing markets in the area. 87.0% of occupied housing units are owner-occupied. This homeownership rate is 29% higher than the state average of 67.2%.
Race & Ethnicity
St. Henry has a predominantly White (non-Hispanic) population, comprising 94.0% of all residents. Hispanic or Latino residents account for 5.1%. The Asian population (0.3%) is well below the state average of 2.5%.
Education
35.7% of residents aged 25 and older hold a bachelor's degree or higher. This is 13% higher 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 95.9%.
Data Sources & Methodology
All demographic data for St. Henry, 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.
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Frequently Asked Questions
What is the population of St. Henry, Ohio?
St. Henry, Ohio has a population of 2,741 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in St. Henry, OH?
The median household income in St. Henry is $115,653, which is 43% higher than the national median of $80,734.
What is the poverty rate in St. Henry, OH?
The poverty rate in St. Henry is 2.8%. This means approximately 76 residents live below the federal poverty line.
What is the racial makeup of St. Henry, Ohio?
St. Henry's population is 94.0% White, 0.0% Black, 5.1% Hispanic/Latino, and 0.3% Asian.
What is the median home value in St. Henry, OH?
The median home value in St. Henry is $287,000. The home-value-to-income ratio is 2.5x.
How educated is St. Henry, Ohio?
35.7% of adults (25+) in St. Henry hold a bachelor's degree or higher, and 10.8% hold a graduate or professional degree.