Hennepin, Oklahoma Demographics & Population 2026
During the 2020–2024 ACS period, Hennepin, Oklahoma had a total population of 126, the 634th largest community in Oklahoma. The poverty rate is 0.0%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Hennepin Quick Facts
How Hennepin 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 | 141 | 126 | -10.6% |
| Median home value | $127,000 | $131,900 | +3.9% |
How Hennepin 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: 58 | National average: 61
Education
Educational Attainment (Adults 25+)
Hennepin Rankings in Oklahoma
Explore Oklahoma Rankings
Other Cities in Garvin County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Pauls Valley | 6,062 | $50,357 | 24.4% | $98,200 |
| Lindsay | 2,884 | $52,000 | 16.0% | $112,200 |
| Davis | 2,814 | $51,875 | 18.3% | $109,700 |
| Wynnewood | 1,756 | $40,156 | 22.1% | $111,600 |
| Stratford | 1,331 | $41,302 | 26.5% | $100,500 |
| Elmore City | 882 | $35,694 | 30.8% | $84,100 |
| Paoli | 660 | $57,083 | 19.8% | $87,000 |
| Katie | 429 | $56,375 | 9.6% | $155,000 |
| Foster | 254 | $74,712 | 10.6% | $244,200 |
| Erin Springs | 31 | N/A | 12.9% | N/A |
Cities Similar to Hennepin
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Bradley | 126 | $24,344 | $23,100 | 3.8% | 44.4% |
| Cottonwood | 126 | $48,333 | $82,700 | 10.8% | 24.6% |
| Twin Lakes | 127 | N/A | $63,900 | 44.1% | 18.9% |
| Spaulding | 125 | $40,625 | N/A | 25.6% | 17.6% |
| Hanna | 128 | $41,250 | $49,400 | 9.6% | 59.4% |
A note before these figures: with a population of 126, Hennepin'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
Hennepin is a small community located in Oklahoma, within Garvin County. The total population is 126. It ranks as the 634th most populous out of 834 Census-designated places in Oklahoma.
Age Demographics
The median age in Hennepin is 39.0 years. This is 5% higher than the state median of 37.0 years.
Economy, Income & Housing
The ACS records no residents below the poverty line in Hennepin. In a community this small the estimate rests on very few survey responses, so it should be read as an absence of measurement rather than a measured absence of poverty. The survey records no unemployed residents in Hennepin, which reflects the size of the sample rather than a labor market without joblessness. The median home value is $131,900. Housing costs are 34% lower than the state median of $199,800. 100.0% of occupied housing units are owner-occupied. This homeownership rate is 52% higher than the state average of 65.8%.
Race & Ethnicity
The largest racial or ethnic group in Hennepin is White (non-Hispanic), making up 78.6% of the population.
Education
11.5% of residents aged 25 and older hold a bachelor's degree or higher. This is 59% lower than the state rate of 28.3%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 96.5%.
Data Sources & Methodology
All demographic data for Hennepin, Oklahoma 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 Oklahoma state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 834 Census-designated places in Oklahoma. 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 Hennepin, Oklahoma?
Hennepin, Oklahoma has a population of 126 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Hennepin, OK?
The Census Bureau does not publish a reliable median household income estimate for Hennepin — the community is too small for the ACS sample. The national median is $80,734.
What is the poverty rate in Hennepin, OK?
The ACS sample for Hennepin recorded no residents below the federal poverty line. Because the community is small, this indicates that the survey did not capture poverty here rather than that no poverty exists — the estimate carries a wide margin of error.
What is the racial makeup of Hennepin, Oklahoma?
Hennepin's population is 78.6% White, 0.0% Black, 0.0% Hispanic/Latino, and 0.0% Asian.
What is the median home value in Hennepin, OK?
The median home value in Hennepin is $131,900.
How educated is Hennepin, Oklahoma?
11.5% of adults (25+) in Hennepin hold a bachelor's degree or higher, and 11.5% hold a graduate or professional degree.