Market insights · South Dakota

Brookings County, SD: growth, migration and housing

Brookings County has 37,635 residents, up 9.6% since 2020 (+2.2% in the last year). In 2022–2023, 1,026 households moved in and 1,079 moved out (-53 net), while a net $4.3M of income left. Median household income is $70,064, the median home $264,600 and median rent $901 a month.

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Population (2025)37,635

5-year growth+9.6%

1-year growth+2.2%

Net households moving in-53

Per 1,000 residents-1.4

Net income moving in-$4.3M

Median household income$70,064

Median home value$264,600

Median rent$901/mo

Rent as share of income15%

In South Dakota: 6th of 66 counties for 5-year population growth · 29th of 62 counties for net in-migration (per resident) · 39th of 66 counties for median household income · 8th of 66 counties for median home value.

Where new residents came from

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

From	Households (tax returns)	Their income (AGI)
Minnehaha County, SD	115	$5.6M
Codington County, SD	46	$2.1M
Kingsbury County, SD	32	$2.0M
Lincoln County, SD	24	$0.9M

Where leavers went

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

To	Households (tax returns)	Their income (AGI)
Minnehaha County, SD	180	$9.0M
Lincoln County, SD	57	$3.5M
Lake County, SD	28	$1.6M
Codington County, SD	26	$1.1M
Hennepin County, MN	25	$1.0M
Kingsbury County, SD	25	$1.7M
Moody County, SD	20	$1.1M

BizyFi in Brookings 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.