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St. Mary Parish, LA

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

Net migration: -303 tax returns · -587 people · $-14,586,000 AGI

Inflow: 739 returns · 1,409 people · $28,730,000 AGI
Outflow: 1,042 returns · 1,996 people · $43,316,000 AGI

Top origins (where new residents came from)

County	Returns	AGI
Iberia Parish, LA	95	$3,232,000
Lafayette Parish, LA	80	$2,969,000
Terrebonne Parish, LA	73	$2,909,000
Assumption Parish, LA	70	$2,447,000
Lafourche Parish, LA	45	$1,469,000
East Baton Rouge Parish, LA	30	$1,214,000
Harris County, TX	29	$1,211,000
St. Martin Parish, LA	27	$1,312,000

Top destinations (where leavers went)

County	Returns	AGI
Lafayette Parish, LA	143	$7,045,000
Iberia Parish, LA	143	$5,312,000
Terrebonne Parish, LA	78	$2,734,000
Assumption Parish, LA	64	$2,197,000
Lafourche Parish, LA	52	$2,259,000
Harris County, TX	49	$3,041,000
East Baton Rouge Parish, LA	40	$2,108,000
St. Martin Parish, LA	31	$1,354,000
Vermilion Parish, LA	26	$1,216,000

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.