How many people live in Nemaha County, NE?
Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 7,000 people living in Nemaha County, NE. That makes Nemaha County the 41st-most populous county in Nebraska. It is home to 0.35% of people living in the state.
7.05K
population of Nemaha County, NE (2024)
0.35%
County share of the Nebraska population (2024)
About 7,000 people lived in Nemaha County, NE in 2024.
Population estimates, 2000–2024
What are Nemaha County, NE’s age demographics?
About 1,400 Nemaha County residents are aged 65 and older in 2024. That represents 20% of its population. For comparison, the age group represents 17.5% of Nebraska’s population and 18% in the US overall.
Another 1,600 Nemaha County, NE residents, or 22.6% of the population, were children under 18. For comparison, the age group represents 24.2% of Nebraska’s population and 21.6% in the US overall.
A lower share of Nemaha County, NE's population is aged 25–44 than the US as a whole.
Population estimates by age group, (2024)
What are Nemaha County, NE’s racial and ethnic demographics?
Non-Hispanic white residents make up 92.3% of the Nemaha County, NE population, higher than the national share of 57.5%.
In contrast, Nemaha County’s Hispanic population accounts for 3.6%, below the 20% nationwide, and the non-Hispanic Black or African American population makes up 1.5% of the county, compared with 12.6% nationally.
Racial and ethnic make up differ based on location. These figures reflect how people identified their race alone (not in combination with other races), and separate out Hispanic or Latino ethnicity, following Census reporting standards.
Nemaha County, NE has a higher share of a non-Hispanic white population than Nebraska as a whole.
Population estimates by race and ethnicity, (2024)
The largest city or town in Nemaha County, NE is Auburn with about 3,500 residents in 2024.
Cities and towns in Nemaha County, NE ranked by population
Population (2024), includes only portions within county
| City or town | Population | |
|---|---|---|
| 1. | Auburn | 3,473 |
| 2. | Peru | 683 |
| 3. | Johnson | 304 |
| 4. | Brownville | 140 |
| 5. | Brock | 118 |
| 6. | Nemaha | 110 |
| 7. | Julian | 46 |
| 8. | Balance of Nemaha County | 2,172 |
Keep exploring
Methodology
USAFacts standardizes data, in areas such as time and demographics, to make it easier to understand and compare.
The analysis was generated with the help of AI and reviewed by USAFacts for accuracy.
Page sources
USAFacts endeavors to share the most up-to-date information available. We sourced the data on this page directly from government agencies; however, the intervals at which agencies publish updated data vary.
