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Gilpin County, CO

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

Net migration: -32 tax returns · -27 people · +$3,467,000 AGI

Inflow: 262 returns · 387 people · $24,484,000 AGI
Outflow: 294 returns · 414 people · $21,017,000 AGI

Top origins (where new residents came from)

County	Returns	AGI
Jefferson County, CO	66	$6,818,000
Boulder County, CO	61	$6,549,000
Denver County, CO	21	$2,030,000
Adams County, CO	20	$1,372,000

Top destinations (where leavers went)

County	Returns	AGI
Jefferson County, CO	66	$5,344,000
Boulder County, CO	26	$1,483,000
Denver County, CO	21	$1,010,000

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.