Market insights · Illinois

Logan County, IL: growth, migration and housing

Logan County has 27,182 residents, down 2.5% since 2020 (-0.1% in the last year). In 2022–2023, 610 households moved in and 651 moved out (-41 net), while a net $0.0M of income left. Median household income is $66,358, the median home $134,400 and median rent $829 a month.

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Population (2025)27,182

5-year growth-2.5%

1-year growth-0.1%

Net households moving in-41

Per 1,000 residents-1.5

Net income moving in-$0.0M

Median household income$66,358

Median home value$134,400

Median rent$829/mo

Rent as share of income15%

In Illinois: 65th of 102 counties for 5-year population growth · 46th of 102 counties for net in-migration (per resident) · 52nd of 102 counties for median household income · 52nd of 102 counties for median home value.

Where new residents came from

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

From	Households (tax returns)	Their income (AGI)
McLean County, IL	107	$6.1M
Sangamon County, IL	100	$5.0M
Tazewell County, IL	42	$2.5M
Macon County, IL	39	$2.5M
Mason County, IL	30	$1.5M
De Witt County, IL	23	$0.7M

Where leavers went

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

To	Households (tax returns)	Their income (AGI)
Sangamon County, IL	91	$5.0M
McLean County, IL	76	$3.6M
Tazewell County, IL	51	$2.3M
Macon County, IL	37	$1.4M
Mason County, IL	26	$1.3M
De Witt County, IL	23	$1.2M

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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.