Federal Data HubIRS Migration Flows · JSON

Frederick County, MD

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

Net migration: +798 tax returns · +2,550 people · +$164,618,000 AGI

Inflow
8,716 returns · 15,725 people · $801,571,000 AGI
Outflow
7,918 returns · 13,175 people · $636,953,000 AGI

Top origins (where new residents came from)

CountyReturnsAGI
Montgomery County, MD2,352$238,491,000
Washington County, MD523$32,010,000
Howard County, MD412$48,583,000
Carroll County, MD352$27,908,000
Baltimore County, MD310$28,048,000
Prince George's County, MD281$22,594,000
Fairfax County, VA219$21,825,000
Anne Arundel County, MD215$23,775,000
Loudoun County, VA204$24,949,000
Baltimore city, MD153$13,393,000

Top destinations (where leavers went)

CountyReturnsAGI
Washington County, MD953$56,045,000
Montgomery County, MD941$71,865,000
Carroll County, MD363$30,532,000
Berkeley County, WV195$14,299,000
Howard County, MD195$18,747,000
Baltimore County, MD193$14,712,000
Baltimore city, MD164$8,431,000
Anne Arundel County, MD156$13,749,000
Adams County, PA153$14,421,000
Jefferson County, WV148$12,003,000

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.