Market insights · Mississippi
Lamar County, MS: growth, migration and housing
Lamar County has 67,403 residents, up 4.7% since 2020 (+0.7% in the last year). In 2022–2023, 2,275 households moved in and 2,321 moved out (-46 net), bringing in a net $3.5M of income. Median household income is $70,909, the median home $224,700 and median rent $1,126 a month.
In Mississippi: 7th of 82 counties for 5-year population growth · 32nd of 81 counties for net in-migration (per resident) · 4th of 82 counties for median household income · 6th of 82 counties for median home value.
Where new residents came from
Top counties by households (tax returns) moving to Lamar County, 2022–2023 (IRS).
| From | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Forrest County, MS | 716 | $38.8M |
| Jones County, MS | 100 | $4.7M |
| Harrison County, MS | 80 | $3.1M |
| Marion County, MS | 74 | $3.9M |
| Covington County, MS | 62 | $2.4M |
| Pearl River County, MS | 57 | $2.4M |
| Hinds County, MS | 37 | $2.6M |
| Rankin County, MS | 35 | $3.0M |
Where leavers went
Top counties by households leaving Lamar County, 2022–2023 (IRS).
| To | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Forrest County, MS | 731 | $37.2M |
| Marion County, MS | 86 | $4.2M |
| Harrison County, MS | 84 | $3.1M |
| Jones County, MS | 78 | $3.9M |
| Covington County, MS | 58 | $3.0M |
| Pearl River County, MS | 58 | $3.2M |
| Rankin County, MS | 53 | $2.6M |
| Jackson County, MS | 44 | $2.9M |
BizyFi in Lamar County
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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.