Market insights · Louisiana
St. John the Baptist Parish, LA: growth, migration and housing
St. John the Baptist Parish has 39,875 residents, down 5.9% since 2020 (-0.2% in the last year). In 2022–2023, 1,117 households moved in and 1,228 moved out (-111 net), while a net $15.3M of income left. Median household income is $66,630, the median home $193,200 and median rent $1,334 a month.
In Louisiana: 56th of 64 counties for 5-year population growth · 38th of 64 counties for net in-migration (per resident) · 14th of 64 counties for median household income · 22nd of 64 counties for median home value.
Where new residents came from
Top counties by households (tax returns) moving to St. John the Baptist Parish, 2022–2023 (IRS).
| From | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Jefferson Parish, LA | 362 | $13.5M |
| St. Charles Parish, LA | 145 | $5.3M |
| Orleans Parish, LA | 120 | $3.8M |
| East Baton Rouge Parish, LA | 59 | $1.7M |
| St. James Parish, LA | 56 | $2.0M |
| Ascension Parish, LA | 53 | $2.3M |
| Harris County, TX | 34 | $0.9M |
| Tangipahoa Parish, LA | 30 | $1.1M |
Where leavers went
Top counties by households leaving St. John the Baptist Parish, 2022–2023 (IRS).
| To | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Jefferson Parish, LA | 238 | $9.4M |
| Ascension Parish, LA | 122 | $7.0M |
| East Baton Rouge Parish, LA | 108 | $3.4M |
| St. Charles Parish, LA | 104 | $5.4M |
| Orleans Parish, LA | 96 | $3.9M |
| St. James Parish, LA | 81 | $3.0M |
| Tangipahoa Parish, LA | 70 | $3.4M |
| St. Tammany Parish, LA | 60 | $4.4M |
BizyFi in St. John the Baptist 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.