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St. Martin Parish, LA

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

Net migration: -56 tax returns · +22 people · +$451,000 AGI

Inflow: 1,234 returns · 2,452 people · $55,635,000 AGI
Outflow: 1,290 returns · 2,430 people · $55,184,000 AGI

Top origins (where new residents came from)

County	Returns	AGI
Lafayette Parish, LA	541	$22,921,000
Iberia Parish, LA	145	$5,841,000
St. Landry Parish, LA	105	$4,727,000
Vermilion Parish, LA	43	$1,525,000
Acadia Parish, LA	36	$1,006,000
St. Mary Parish, LA	31	$1,354,000
East Baton Rouge Parish, LA	29	$1,402,000
Harris County, TX	24	$886,000

Top destinations (where leavers went)

County	Returns	AGI
Lafayette Parish, LA	571	$25,283,000
Iberia Parish, LA	122	$3,900,000
St. Landry Parish, LA	83	$3,459,000
Harris County, TX	40	$1,047,000
East Baton Rouge Parish, LA	36	$1,723,000
Vermilion Parish, LA	34	$1,043,000
St. Mary Parish, LA	27	$1,312,000
Acadia Parish, LA	26	$963,000

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.