Gage County's 2026 population is estimated at 21,787, reflecting a 0.23% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Gage County is the 15th largest county in Nebraska. The 2010 population was 22,269 and has grown -2.16% since 2010.
Data after 2023 is projected based on recent change
Overall: 42.6 years
Female: 44.9 years
Male: 40.9 years
There are 16,741 adults, (4,776 of whom are seniors) in Gage County.
Female: 10,639 (49.2%)
Male: 10,990 (50.8%)
The racial composition of Gage County includes 93.59% White, and smaller percentages for other race, Asian, Black or African American, Native American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 20,242 | 93.59% |
| Two or more races | 843 | 3.9% |
| Other race | 161 | 0.74% |
| Asian | 144 | 0.67% |
| Black or African American | 140 | 0.65% |
| Native American | 99 | 0.46% |
Gage County 's average per capita income is $46,506. Household income levels show a median of $67,247. The poverty rate stands at 12.6%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $101,318 | - |
| Families | $92,513 | $103,498 |
| Households | $67,247 | $83,338 |
| Non Families | $39,745 | $49,357 |
Average Income
Median Household Income
Poverty Rate