Federal Data Hub › IRS Migration Flows · JSON

Assumption Parish, LA

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

Net migration: -125 tax returns · -220 people · $-1,267,000 AGI

Inflow: 395 returns · 788 people · $22,889,000 AGI
Outflow: 520 returns · 1,008 people · $24,156,000 AGI

Top origins (where new residents came from)

County	Returns	AGI
Lafourche Parish, LA	83	$4,752,000
Ascension Parish, LA	80	$6,337,000
St. Mary Parish, LA	64	$2,197,000
Terrebonne Parish, LA	37	$2,132,000
East Baton Rouge Parish, LA	23	$715,000

Top destinations (where leavers went)

County	Returns	AGI
Ascension Parish, LA	102	$4,976,000
Lafourche Parish, LA	97	$4,710,000
St. Mary Parish, LA	70	$2,447,000
East Baton Rouge Parish, LA	43	$2,284,000
Terrebonne Parish, LA	30	$864,000
Iberville Parish, LA	20	$941,000

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.