Nemaha County, Kansas Demographics 2026
Nemaha County, Kansas has a population of 10,160, the 38th most populous county in Kansas. The median household income is $77,348 and the median home value is $217,200. The poverty rate is 9.3%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Nemaha County Quick Facts
How Nemaha County 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 | 10,213 | 10,160 | -0.5% |
| Median household income | $77,375 | $77,348 | -0.0% |
| Median home value | $196,100 | $217,200 | +10.8% |
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: 45 | National average: 61
Education
Educational Attainment (Adults 25+)
Cities & Places in Nemaha County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Sabetha | 2,471 | $70,464 | 10.6% | $170,800 |
| Seneca | 2,090 | $76,750 | 8.0% | $235,100 |
| Centralia | 501 | $67,188 | 5.5% | $86,400 |
| Wetmore | 342 | $69,375 | 5.9% | $88,400 |
| Corning | 187 | $93,750 | 8.0% | $135,000 |
| Oneida | 137 | $65,000 | 24.8% | $45,000 |
| Bern | 136 | $62,500 | 5.1% | $127,300 |
| Goff | 133 | N/A | 68.4% | $50,000 |
| Baileyville | 126 | N/A | 0.0% | $447,700 |
| St. Benedict | 36 | N/A | 30.6% | N/A |
| Kelly | 1 | N/A | 0.0% | N/A |
Explore Kansas Rankings
Population Overview
Nemaha County is located in Kansas with a total population of 10,160. It is the 38th most populous county out of 105 in Kansas. The county encompasses 11 Census-designated places.
Age Demographics
The median age in Nemaha County is 40.1 years. This is 7% higher than the state median of 37.4 years.
Economy, Income & Housing
The median household income in Nemaha County is $77,348. This is 4% higher than the state median of $74,275. It is also 4% lower than the national median of $80,734. The poverty rate stands at 9.3%. This is 18% lower than the state poverty rate of 11.3%. The unemployment rate is 1.5%. This is 61% lower than the state rate of 3.9%. The median home value is $217,200. Housing costs are about the same as the state median of $217,200. With a home-value-to-income ratio of just 2.8x, Nemaha County is one of the most affordable housing markets in the area. 78.0% of occupied housing units are owner-occupied. This homeownership rate is 16% higher than the state average of 67.2%.
Race & Ethnicity
Nemaha County has a predominantly White (non-Hispanic) population, comprising 93.3% of all residents. Hispanic or Latino residents account for 2.6%. The Black or African American population (1.2%) is well below the state average of 5.1%. The Hispanic or Latino population (2.6%) is well below the state average of 13.6%. The Asian population (0.5%) is well below the state average of 2.9%.
Education
29.9% of residents aged 25 and older hold a bachelor's degree or higher. This is 16% lower than the state rate of 35.6%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 94.2%.
Data Sources & Methodology
All figures for Nemaha County come from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates, with comparisons drawn against Kansas and national averages from the same dataset. See our methodology page for how each metric is defined, or data.census.gov for official tables with margins of error.
Frequently Asked Questions
What is the population of Nemaha County, Kansas?
Nemaha County has a population of 10,160, making it the 38th most populous county in Kansas.
What is the median income in Nemaha County?
The median household income in Nemaha County is $77,348 with a poverty rate of 9.3%.
How many cities are in Nemaha County, Kansas?
Nemaha County contains 11 Census-designated places.