Marengo, Ohio Demographics & Population 2026
During the 2020–2024 ACS period, Marengo, Ohio had a total population of 220, the 1102nd largest village in Ohio, with a median household income of $68,750, which is 4% lower than the state average. The poverty rate is 20.9%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Marengo Quick Facts
How Marengo 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 | 240 | 220 | -8.3% |
| Median household income | $81,667 | $68,750 | -15.8% |
| Median home value | $193,100 | $195,800 | +1.4% |
How Marengo 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+)
Marengo Rankings in Ohio
Explore Ohio Rankings
Other Cities in Morrow County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Mount Gilead | 3,331 | $44,643 | 17.7% | $174,300 |
| Cardington | 1,928 | $70,260 | 10.3% | $155,000 |
| Candlewood Lake | 1,053 | $87,159 | 10.8% | $324,200 |
| Iberia | 499 | $80,179 | 13.8% | $209,500 |
| Fulton | 378 | $48,125 | 12.4% | $125,000 |
| Edison | 351 | $58,021 | 15.3% | $141,900 |
| Chesterville | 184 | $56,375 | 9.0% | $167,900 |
| Sparta | 139 | $71,167 | 2.9% | $125,000 |
Cities Similar to Marengo
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Leesville | 221 | $70,208 | $79,100 | 0.0% | 15.8% |
| Gordon | 222 | $71,250 | $129,900 | 7.2% | 9.0% |
| Buckland | 226 | $67,500 | $104,800 | 4.6% | 4.9% |
| Bowersville | 216 | $72,500 | $176,000 | 23.6% | 7.9% |
| Brandt | 210 | N/A | N/A | 0.0% | 18.6% |
A note before these figures: with a population of 220, Marengo'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
Marengo is a small community located in Ohio, within Morrow County. The total population is 220. It ranks as the 1102nd most populous out of 1,264 Census-designated places in Ohio.
Age Demographics
The median age in Marengo is 32.3 years. This is 19% lower than the state median of 39.7 years.
Economy, Income & Housing
The median household income in Marengo is $68,750. This is 4% lower than the state median of $71,389. It is also 15% lower than the national median of $80,734. The poverty rate stands at 20.9%. This is 57% higher than the state poverty rate of 13.3%. With more than one in five residents living below the poverty line, economic hardship is a significant challenge for the community. The unemployment rate is 6.7%. This is 40% higher than the state rate of 4.8%. The median home value is $195,800. Housing costs are 9% lower than the state median of $214,800. With a home-value-to-income ratio of just 2.8x, Marengo is one of the most affordable housing markets in the area. 50.0% of occupied housing units are owner-occupied. This homeownership rate is 26% lower than the state average of 67.2%.
Race & Ethnicity
The largest racial or ethnic group in Marengo is White (non-Hispanic), making up 82.7% of the population. Black or African American residents account for 6.4%.
Education
29.0% of residents aged 25 and older hold a bachelor's degree or higher. This is 8% 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 88.4%.
Data Sources & Methodology
All demographic data for Marengo, 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 Marengo, Ohio?
Marengo, Ohio has a population of 220 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Marengo, OH?
The median household income in Marengo is $68,750, which is 15% lower than the national median of $80,734.
What is the poverty rate in Marengo, OH?
The poverty rate in Marengo is 20.9%. This means approximately 46 residents live below the federal poverty line.
What is the racial makeup of Marengo, Ohio?
Marengo's population is 82.7% White, 6.4% Black, 4.5% Hispanic/Latino, and 0.0% Asian.
What is the median home value in Marengo, OH?
The median home value in Marengo is $195,800. The home-value-to-income ratio is 2.8x.
How educated is Marengo, Ohio?
29.0% of adults (25+) in Marengo hold a bachelor's degree or higher, and 7.2% hold a graduate or professional degree.