Market insights · Indiana

Fountain County, IN: growth, migration and housing

Fountain County has 17,013 residents, up 3.2% since 2020 (+0.8% in the last year). In 2022–2023, 473 households moved in and 451 moved out (+22 net), bringing in a net $3.7M of income. Median household income is $62,542, the median home $143,400 and median rent $843 a month.

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Population (2025)17,013

5-year growth+3.2%

1-year growth+0.8%

Net households moving in+22

Per 1,000 residents+1.3

Net income moving in+$3.7M

Median household income$62,542

Median home value$143,400

Median rent$843/mo

Rent as share of income16%

In Indiana: 13th of 92 counties for 5-year population growth · 25th of 92 counties for net in-migration (per resident) · 71st of 92 counties for median household income · 79th of 92 counties for median home value.

Where new residents came from

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

From	Households (tax returns)	Their income (AGI)
Tippecanoe County, IN	73	$3.1M
Montgomery County, IN	68	$3.1M
Warren County, IN	68	$3.0M
Vermilion County, IL	48	$2.1M
Vermillion County, IN	25	$0.8M
Marion County, IN	21	$1.1M

Where leavers went

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

To	Households (tax returns)	Their income (AGI)
Tippecanoe County, IN	63	$2.5M
Warren County, IN	57	$2.4M
Montgomery County, IN	49	$2.5M
Vermilion County, IL	44	$1.6M
Vermillion County, IN	41	$2.0M

BizyFi in Fountain 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.