MAPIFYSTATS / ANIMATED MAPS / 01
Idaho: Human Rivers
Where Americans move, one year at a time. Follow state-to-state tax-return migration, separate incoming and outgoing moves, and compare households, people proxies and reported income.
Source: IRS SOI state migration; U.S. Census Bureau Vintage 2024 population estimates and 2024 Gazetteer. · Source release, rights & limitations
Idaho: 40,273 returns reported into the state in 2019–2020. Largest reported connection: California (11,528).
| Place / record | Value | Definition |
|---|---|---|
| California | 11,528 returns | |
| Washington | 6,799 returns | |
| Oregon | 3,287 returns | |
| Utah | 3,159 returns | |
| Arizona | 1,542 returns | |
| Nevada | 1,492 returns | |
| Colorado | 1,415 returns | |
| Texas | 1,392 returns | |
| Montana | 1,021 returns | |
| Florida | 665 returns | |
| Wyoming | 660 returns | |
| Alaska | 512 returns | |
| Illinois | 400 returns | |
| Virginia | 380 returns | |
| New York | 378 returns | |
| North Carolina | 378 returns | |
| Minnesota | 302 returns | |
| North Dakota | 294 returns | |
| Georgia | 275 returns | |
| Missouri | 271 returns | |
| Pennsylvania | 268 returns | |
| Hawaii | 264 returns | |
| New Mexico | 262 returns | |
| Michigan | 248 returns | |
| Tennessee | 239 returns | |
| Wisconsin | 229 returns | |
| Ohio | 221 returns | |
| Oklahoma | 195 returns | |
| Kansas | 187 returns | |
| Indiana | 184 returns | |
| Iowa | 166 returns | |
| South Carolina | 159 returns | |
| Maryland | 152 returns | |
| Nebraska | 132 returns | |
| South Dakota | 132 returns | |
| Arkansas | 131 returns | |
| New Jersey | 118 returns | |
| Massachusetts | 113 returns | |
| Louisiana | 109 returns | |
| Alabama | 100 returns | |
| Kentucky | 97 returns | |
| Mississippi | 64 returns | |
| Connecticut | 60 returns | |
| Maine | 57 returns | |
| District of Columbia | 54 returns | |
| West Virginia | 44 returns | |
| Delaware | 43 returns | |
| New Hampshire | 40 returns | |
| Vermont | 35 returns | |
| Rhode Island | 20 returns |
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Source: IRS SOI state migration; U.S. Census Bureau Vintage 2024 population estimates and 2024 Gazetteer. · Source release, rights & limitations
Florida's incoming streams and outgoing streams describe different groups of matched tax returns. Switch direction to see both.
Source: IRS SOI state migration; U.S. Census Bureau Vintage 2024 population estimates and 2024 Gazetteer. · Source release, rights & limitations
Synchronized comparison
Both maps share replay progress and geographic scale. Source periods appear in each title.
What the map shows
Idaho: 40,273 returns reported into the state in 2019–2020. Largest reported connection: California (11,528).
Drag to explore; manual map movement releases guided following. Particle movement and travel progress are illustrative. Attribution stays with every exported image.
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Accessible source values
| Place / record | Value | Definition |
|---|---|---|
| California | 11,528 returns | |
| Washington | 6,799 returns | |
| Oregon | 3,287 returns | |
| Utah | 3,159 returns | |
| Arizona | 1,542 returns | |
| Nevada | 1,492 returns | |
| Colorado | 1,415 returns | |
| Texas | 1,392 returns | |
| Montana | 1,021 returns | |
| Florida | 665 returns | |
| Wyoming | 660 returns | |
| Alaska | 512 returns | |
| Illinois | 400 returns | |
| Virginia | 380 returns | |
| New York | 378 returns | |
| North Carolina | 378 returns | |
| Minnesota | 302 returns | |
| North Dakota | 294 returns | |
| Georgia | 275 returns | |
| Missouri | 271 returns | |
| Pennsylvania | 268 returns | |
| Hawaii | 264 returns | |
| New Mexico | 262 returns | |
| Michigan | 248 returns | |
| Tennessee | 239 returns | |
| Wisconsin | 229 returns | |
| Ohio | 221 returns | |
| Oklahoma | 195 returns | |
| Kansas | 187 returns | |
| Indiana | 184 returns | |
| Iowa | 166 returns | |
| South Carolina | 159 returns | |
| Maryland | 152 returns | |
| Nebraska | 132 returns | |
| South Dakota | 132 returns | |
| Arkansas | 131 returns | |
| New Jersey | 118 returns | |
| Massachusetts | 113 returns | |
| Louisiana | 109 returns | |
| Alabama | 100 returns | |
| Kentucky | 97 returns | |
| Mississippi | 64 returns | |
| Connecticut | 60 returns | |
| Maine | 57 returns | |
| District of Columbia | 54 returns | |
| West Virginia | 44 returns | |
| Delaware | 43 returns | |
| New Hampshire | 40 returns | |
| Vermont | 35 returns | |
| Rhode Island | 20 returns |
Accessible comparison values
Sources, rights & limitations
Source: IRS SOI state migration; U.S. Census Bureau Vintage 2024 population estimates and 2024 Gazetteer. Basemap: Natural Earth (public domain), U.S. Census Bureau/us-atlas (public domain). Ancient Earth uses the reconstructed source-model land instead.
Data release: 2026-10-04. Retrieved 2026-10-04T00:00:00Z. Commercial use: approved. Export rights: approved.
- https://www2.census.gov/geo/docs/maps-data/data/gazetteer/2024_Gazetteer/2024_Gaz_state_national.zip
- https://www2.census.gov/programs-surveys/popest/datasets/2020-2024/state/totals/NST-EST2024-ALLDATA.csv
- https://www.irs.gov/pub/irs-soi/stateoutflow1920.csv
- https://www.irs.gov/pub/irs-soi/stateinflow1920.csv
- https://www.irs.gov/pub/irs-soi/stateoutflow2021.csv
- https://www.irs.gov/pub/irs-soi/stateinflow2021.csv
- https://www.irs.gov/pub/irs-soi/stateoutflow2122.csv
- https://www.irs.gov/pub/irs-soi/stateinflow2122.csv
- https://www.irs.gov/pub/irs-soi/stateoutflow2223.csv
- https://www.irs.gov/pub/irs-soi/stateinflow2223.csv
License: https://www.irs.gov/about-irs/use-of-content-from-irsgov
- These are filing-year address changes on matched tax returns, not a complete census of movers. Mailing addresses may differ from residences.
- Returns approximate households; exemptions/individuals approximate people. AGI is year-2 reported adjusted gross income, includes deficits, and is not wealth or money transported.
- Bilateral streams use outflow records once. Inflow and outflow AGI can differ by $1,000 due to source rounding; published direction totals retain their own values.
- Suppressed (-1) and absent bilateral cells remain unknown. The 2022–2023 archive omits six bilateral cells. Published totals are not permission to infer their values.
- 2019–2020 through 2021–2022 use the prior matching series. 2022–2023 is a new series: enhanced matching adds about 5% of returns, and disclosure procedures changed; do not interpret that break as migration growth.
- Per-capita figures divide by the selected state's July 1 population in the destination filing year from Census Vintage 2024, per 10,000 residents. They compare tax-record flows with all residents and are not the percentage of residents who moved.
- Foreign flows, same-state county moves and nonmigrants are separate source categories and are excluded from the state-to-state streams. Curves are illustrative, not travel routes.
Units: returns: matched returns (household proxy) · exemptions: reported individuals (people proxy) · agi: nominal USD, year-2 reported AGI · population: residents, July 1, Census Vintage 2024.
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