Market insights · Louisiana
Assumption Parish, LA: growth, migration and housing
Assumption Parish has 19,720 residents, down 5.9% since 2020 (-1.5% in the last year). In 2022–2023, 395 households moved in and 520 moved out (-125 net), while a net $1.3M of income left. Median household income is $51,423, the median home $150,300 and median rent $810 a month.
In Louisiana: 57th of 64 counties for 5-year population growth · 58th of 64 counties for net in-migration (per resident) · 36th of 64 counties for median household income · 38th of 64 counties for median home value.
Where new residents came from
Top counties by households (tax returns) moving to Assumption Parish, 2022–2023 (IRS).
| From | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Lafourche Parish, LA | 83 | $4.8M |
| Ascension Parish, LA | 80 | $6.3M |
| St. Mary Parish, LA | 64 | $2.2M |
| Terrebonne Parish, LA | 37 | $2.1M |
| East Baton Rouge Parish, LA | 23 | $0.7M |
Where leavers went
Top counties by households leaving Assumption Parish, 2022–2023 (IRS).
| To | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Ascension Parish, LA | 102 | $5.0M |
| Lafourche Parish, LA | 97 | $4.7M |
| St. Mary Parish, LA | 70 | $2.4M |
| East Baton Rouge Parish, LA | 43 | $2.3M |
| Terrebonne Parish, LA | 30 | $0.9M |
| Iberville Parish, LA | 20 | $0.9M |
BizyFi in Assumption Parish
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Sources: U.S. Census Bureau population estimates (vintage 2025), American Community Survey 5-year (2024), and IRS Statistics of Income county-to-county migration data (2022–2023). Migration counts are tax returns (roughly households) moving between U.S. counties; the IRS suppresses very small flows. Growth rates, per-1,000 figures, rent share and state ranks are BizyFi calculations. Data updated 2026-10-17. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.