Market insights · Mississippi

Simpson County, MS: growth, migration and housing

Simpson County has 25,498 residents, down 1.5% since 2020 (-0.5% in the last year). In 2022–2023, 495 households moved in and 525 moved out (-30 net), bringing in a net $0.6M of income. Median household income is $56,381, the median home $122,200 and median rent $852 a month.

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Population (2025)25,498

5-year growth-1.5%

1-year growth-0.5%

Net households moving in-30

Per 1,000 residents-1.2

Net income moving in+$0.6M

Median household income$56,381

Median home value$122,200

Median rent$852/mo

Rent as share of income18%

In Mississippi: 40th of 82 counties for 5-year population growth · 41st of 81 counties for net in-migration (per resident) · 19th of 82 counties for median household income · 42nd of 82 counties for median home value.

Where new residents came from

Top counties by households (tax returns) moving to Simpson County, 2022–2023 (IRS).

From	Households (tax returns)	Their income (AGI)
Rankin County, MS	148	$7.7M
Hinds County, MS	39	$1.2M
Smith County, MS	39	$2.0M
Covington County, MS	36	$1.2M
Jefferson Davis County, MS	21	$1.1M

Where leavers went

Top counties by households leaving Simpson County, 2022–2023 (IRS).

To	Households (tax returns)	Their income (AGI)
Rankin County, MS	122	$5.4M
Covington County, MS	40	$1.3M
Smith County, MS	36	$1.9M
Hinds County, MS	34	$1.0M
Forrest County, MS	21	$0.6M
Lamar County, MS	21	$1.0M

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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.