What are the fastest-growing counties in Nebraska?
Sarpy County is the fastest-growing county in Nebraska: its population grew 1.73% a year from 2020 to 2025, to 208,303 residents (Census PEP Vintage 2025). Saunders County (1.17%) and Otoe County (0.78%) follow. Nebraska as a whole grew 0.55% a year to 2,018,006 residents.
Data as of 2026-09-23. Population, growth and migration: PEP Vintage 2025 · 2020–2025. Income migration: IRS SOI 2022–2023 (2-yr lag).
Top 10 counties in Nebraska by population growth, 2020 to 2025
| Rank | County | Population | Growth (% per year) | Net domestic migration | Net international migration | IRS net AGI migration |
|---|---|---|---|---|---|---|
| 1 | Sarpy County | 208,303 | 1.73% | +9,421 | +2,554 | +$37.5M |
| 2 | Saunders County | 23,702 | 1.17% | +1,170 | +19 | +$20.1M |
| 3 | Otoe County | 16,531 | 0.78% | +275 | +349 | +$0.7M |
| 4 | Cass County | 27,657 | 0.77% | +1,026 | +59 | +$3.4M |
| 5 | Platte County | 35,649 | 0.77% | -1,141 | +1,838 | -$15.5M |
| 6 | Douglas County | 606,460 | 0.71% | -10,739 | +16,094 | -$159.6M |
| 7 | Colfax County | 10,934 | 0.70% | -1,050 | +892 | -$1.7M |
| 8 | Lancaster County | 334,049 | 0.66% | -1,757 | +7,364 | -$38.3M |
| 9 | York County | 14,564 | 0.66% | +372 | +95 | -$3.8M |
| 10 | Wayne County | 10,020 | 0.64% | +34 | +128 | -$1.7M |
Where are people moving in Nebraska?
Sarpy County gained the most people from elsewhere in the United States: net domestic migration of +9,421 from 2020 to 2025 (Census PEP Vintage 2025). The table ranks every Nebraska place with 10,000 or more residents by that figure; the IRS column shows net adjusted gross income migration for 2022 to 2023.
| Rank | County | Population | Growth (% per year) | Net domestic migration | Net international migration | IRS net AGI migration |
|---|---|---|---|---|---|---|
| 1 | Sarpy County | 208,303 | 1.73% | +9,421 | +2,554 | +$37.5M |
| 2 | Saunders County | 23,702 | 1.17% | +1,170 | +19 | +$20.1M |
| 3 | Cass County | 27,657 | 0.77% | +1,026 | +59 | +$3.4M |
| 4 | Gage County | 21,711 | 0.05% | +557 | +18 | +$2.9M |
| 5 | York County | 14,564 | 0.66% | +372 | +95 | -$3.8M |
| 6 | Seward County | 18,032 | 0.46% | +342 | +22 | -$0.5M |
| 7 | Otoe County | 16,531 | 0.78% | +275 | +349 | +$0.7M |
| 8 | Washington County | 21,302 | 0.35% | +241 | +26 | -$5.3M |
| 9 | Dodge County | 38,057 | 0.51% | +90 | +841 | -$1.0M |
| 10 | Wayne County | 10,020 | 0.64% | +34 | +128 | -$1.7M |
Go past the headline numbers
The interactive Demographics map layer and the full report for a single place are part of paid plans.
Get the Demographics Report for Sarpy CountyFrequently asked questions
- What are the fastest-growing counties in Nebraska?
- By population growth from 2020 to 2025, the fastest are Sarpy County (1.73% a year), Saunders County (1.17% a year), Otoe County (0.78% a year), Cass County (0.77% a year) and Platte County (0.77% a year) (Census PEP Vintage 2025). Only places with 10,000 or more residents are ranked.
- Where are people moving in Nebraska?
- By net domestic migration from 2020 to 2025, the largest gains are Sarpy County (+9,421), Saunders County (+1,170) and Cass County (+1,026) (Census PEP Vintage 2025).
- How fast is Nebraska growing overall?
- Nebraska grew 0.55% a year from 2020 to 2025, to 2,018,006 residents, with net migration of +27,026 people (Census PEP Vintage 2025).
- Where does this Nebraska data come from, and how current is it?
- Population, growth and migration come from the U.S. Census Bureau Population Estimates Program (PEP Vintage 2025 · 2020–2025). Income migration comes from IRS Statistics of Income (IRS SOI 2022–2023 (2-yr lag)). Counties with fewer than 10,000 residents are not ranked (66 of 93 in Nebraska). Data last loaded 2026-09-23.
Data as of 2026-09-23: sources and periods
- Population, growth and migration
- U.S. Census Bureau, Population Estimates Program: PEP Vintage 2025 · 2020–2025. census.gov/programs-surveys/popest
- Income migration (net AGI)
- Internal Revenue Service, Statistics of Income migration data: IRS SOI 2022–2023 (2-yr lag). irs.gov/statistics/soi-tax-stats-migration-data
How to read the table
- Population is the Census July 1 estimate of the latest vintage.
- Growth is the compound annual rate over 2020 to 2025.
- Net domestic and international migration are cumulative people over 2020 to 2025.
- IRS net AGI migration is adjusted gross income that moved in, less what moved out, for 2022 to 2023. A plus sign means a net inflow.
- Places with fewer than 10,000 residents are left out of the rankings.