Federal Data HubIRS Migration Flows · JSON

Polk County, IA

County-to-county migration · IRS SOI · filing years 2022-2023

Net migration: +468 tax returns · -101 people · $-12,581,000 AGI

Inflow
12,860 returns · 20,117 people · $841,082,000 AGI
Outflow
12,392 returns · 20,218 people · $853,663,000 AGI

Top origins (where new residents came from)

CountyReturnsAGI
Dallas County, IA2,125$180,457,000
Story County, IA863$50,373,000
Warren County, IA648$36,149,000
Jasper County, IA337$17,494,000
Johnson County, IA276$12,674,000
Linn County, IA253$13,549,000
Black Hawk County, IA244$12,332,000
Marion County, IA179$9,948,000
Cook County, IL174$11,668,000
Maricopa County, AZ157$10,740,000

Top destinations (where leavers went)

CountyReturnsAGI
Dallas County, IA2,531$209,978,000
Warren County, IA843$61,372,000
Story County, IA607$31,058,000
Jasper County, IA309$17,999,000
Cook County, IL228$14,110,000
Johnson County, IA227$11,102,000
Maricopa County, AZ192$13,952,000
Hennepin County, MN171$10,491,000
Marion County, IA154$9,662,000
Linn County, IA150$8,444,000

IRS migration data tracks where tax filers lived in consecutive years. A "return" is roughly a household; "AGI" is the adjusted gross income that moved with them. Net migration = inflow − outflow. Small county-pair flows are suppressed by the IRS for privacy and shown blank.

Source: IRS SOI Migration Data. License: CC0 1.0.