Johnson County's 2026 population is estimated at 5,227, reflecting a 0.08% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Johnson County is the 54th largest county in Nebraska. The 2010 population was 5,233 and has grown -0.11% since 2010.
Data after 2023 is projected based on recent change
Overall: 41.1 years
Female: 46 years
Male: 39.4 years
There are 4,224 adults, (983 of whom are seniors) in Johnson County.
Female: 2,057 (39.1%)
Male: 3,204 (60.9%)
The racial composition of Johnson County includes 78.94% White, 7.62% other race, 4.68% Black or African American, and smaller percentages for Native American, Asian and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 4,153 | 78.94% |
| Other race | 401 | 7.62% |
| Two or more races | 288 | 5.47% |
| Black or African American | 246 | 4.68% |
| Native American | 129 | 2.45% |
| Asian | 44 | 0.84% |
Johnson County 's average per capita income is $45,313. Household income levels show a median of $57,632. The poverty rate stands at 9.72%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $94,773 | - |
| Families | $80,144 | $105,857 |
| Households | $57,632 | $84,405 |
| Non Families | $35,958 | $44,657 |
Average Income
Median Household Income
Poverty Rate
