Census tract · Brookings County
Census Tract 9586, Brookings County, South Dakota
Census Tract 9586, GEOID 46011958600, in Brookings County, South Dakota, partly within Alton Township, Aurora Township, Brookings County, Parnell Township, Trenton Township, Elkton, Afton Township, Brookings County, Sherman Township, Brookings County, Argo Township, Elkton Township, Oak Lake Township, White, Lake Hendricks Township, Aurora, Richland Township, Brookings County, Brookings, Bushnell, Newdale Colony, Norfeld Colony and Rolland Colony. 4,598 residents in the ACS 2020-2024 5-year estimates (±332); the 2020 Census counted 4,500.
Residents, 2020-2024
4,598
±332 (90% margin)
2020 Census count: 4,500
Median household income
$86,905
±$10,724 (90% margin)
Brookings County: $70,064
Median home value
$245,100
±$17,256 (90% margin)
Brookings County: $264,600
Median gross rent
$840
±$76 (90% margin)
Brookings County: $901
Where is Census Tract 9586?
Census Tract 9586 is one of 7 census tracts in Brookings County, South Dakota. It covers 360.61 square miles of land, 12 residents per square mile in 2020. Its GEOID, 46011958600, names it uniquely (how tract numbers and GEOIDs work).
| Place | Share of the tract |
|---|---|
| Alton Township | 9% |
| Aurora Township, Brookings County | 9% |
| Parnell Township | 9% |
| Trenton Township | 8% |
| Elkton | 8% |
| Afton Township, Brookings County | 8% |
| Sherman Township, Brookings County | 7% |
| Argo Township | 6% |
| Elkton Township | 6% |
| Oak Lake Township | 6% |
| White | 5% |
| Lake Hendricks Township | 5% |
| Aurora | 5% |
| Richland Township, Brookings County | 4% |
| Brookings | 4% |
| Bushnell | 1% |
| Newdale Colony | 0% |
| Norfeld Colony | 0% |
| Rolland Colony | 0% |
5 census tracts border Census Tract 9586: Tract 9587 ($82,885), Tract 9589 ($44,402), Tract 9590 ($63,402), Tract 9536 in Deuel County ($82,171) and Tract 9596 in Moody County ($91,027). The figure in brackets is each tract's median household income.
Whether a tract counts as low- or moderate-income for bank lending (the Community Reinvestment Act) is set by the FFIEC against its metro area's family income: look it up in the FFIEC census geocoder.
Source: 2024 Gazetteer and 2020 block assignment files, U.S. Census Bureau · Census reference files
How many people live in Census Tract 9586?
The 2020-2024 American Community Survey puts Census Tract 9586's population at 4,598 (±332) in 1,892 households; the 2020 Census counted 4,500 residents and 1,872 housing units.
| Measure | Tract 9586 | Brookings County |
|---|---|---|
| Total population | 4,598 ±332 | 35,353 |
| Households | 1,892 ±157 | 13,798 |
| Average household size | 2.43 ±0.16 | 2.33 |
| Housing units | 1,987 ±153 | 15,179 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 Census P.L. 94-171 · Check it at data.census.gov
Who lives in Census Tract 9586?
The median resident of Census Tract 9586 is 34.9 years old; 26.6% are under 18 and 12.4% are 65 or older. The largest group is non-Hispanic white residents at 84.8%, then Hispanic or Latino residents (of any race) at 10.5%. 6.2% of residents were born outside the United States.
| Measure | Tract 9586 | Brookings County |
|---|---|---|
| Median age | 34.9 ±3.9 | 28.0 |
| Under 18 years | 26.6% ±3.1 pts | 21.1% |
| 65 years and over | 12.4% ±1.8 pts | 13.4% |
| Hispanic or Latino (any race) | 10.5% ±4.9 pts | 4.6% |
| White alone, not Hispanic | 84.8% ±5.1 pts | 87.5% |
| Black or African American alone, not Hispanic | 0.3% ±0.5 pts | 1.0% |
| Asian alone, not Hispanic | 1.0% ±0.8 pts | 3.3% |
| American Indian and Alaska Native alone, not Hispanic | 1.0% ±0.7 pts | 0.8% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0% ±0.5 pts | 0.0% |
| Two or more races, not Hispanic | 2.5% ±1.6 pts | 2.8% |
| Some other race alone, not Hispanic | 0.0% ±0.5 pts | 0.0% |
| Born outside the United States | 6.2% ±2.4 pts | 6.2% |
| Speak a language other than English at home (age 5+) | 11.6% ±4.7 pts | 9.7% |
| Civilian veterans (age 18+) | 6.8% ±1.9 pts | 4.8% |
| With a disability | 7.9% ±1.9 pts | 9.2% |
| No health insurance coverage | 5.1% ±1.7 pts | 5.1% |
| High school graduate or higher (age 25+) | 94.0% ±2.2 pts | 97.1% |
| Bachelor's degree or higher (age 25+) | 30.3% ±4.4 pts | 42.5% |
| Graduate or professional degree (age 25+) | 6.7% ±2.0 pts | 14.3% |
| Lived in the same house a year earlier | 91.4% ±4.2 pts | 74.7% |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov
What do households in Census Tract 9586 earn?
Half of the 1,892 households in Census Tract 9586 earn less than $86,905 a year (±$10,724), against $70,064 across Brookings County: 2nd highest of the county's 7 tracts with a reliable estimate. 9.0% of residents live below the poverty line.
| Measure | Tract 9586 | Brookings County |
|---|---|---|
| Median household income | $86,905 ±$10,724 | $70,064 |
| Mean household income | $97,814 ±$11,703 | $89,400 |
| Per capita income | $40,307 ±$4,742 | $35,295 |
| People below the poverty line | 9.0% ±3.8 pts | 13.2% |
| Children under 18 below the poverty line | 11.8% ±9.4 pts | 4.8% |
| Households receiving SNAP | 3.8% ±2.0 pts | 4.4% |
| Households with a computer | 95.6% ±2.2 pts | 96.8% |
| Households with a broadband subscription | 91.8% ±3.2 pts | 91.2% |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What does housing cost in Census Tract 9586?
Owners occupy 77.0% of Census Tract 9586's occupied homes and renters 23.0%. The median owner-occupied home is valued at $245,100 by its owner (±$17,256). The median renter pays $840 a month including utilities, and 35.7% of renters pay 35% or more of their income on rent.
| Measure | Tract 9586 | Brookings County |
|---|---|---|
| Median home value (owner-occupied) | $245,100 ±$17,256 | $264,600 |
| Median gross rent | $840 ±$76 | $901 |
| Renters paying 35% or more of income on rent | 35.7% ±11.3 pts | 30.9% |
| Median monthly owner costs, with a mortgage | $1,586 ±$81 | $1,735 |
| Owner-occupied homes | 77.0% ±4.3 pts | 57.2% |
| Renter-occupied homes | 23.0% ±4.3 pts | 42.8% |
| Housing units | 1,987 ±153 | 15,179 |
| Single-family detached homes | 82.4% ±4.1 pts | 57.9% |
| Mobile homes | 2.6% ±1.0 pts | 6.1% |
| Built 2020 or later | 1.8% ±0.8 pts | 2.4% |
| Built 2010 to 2019 | 19.5% ±4.7 pts | 17.6% |
| Built 1939 or earlier | 25.1% ±4.5 pts | 16.3% |
| Households with no vehicle | 2.0% ±1.0 pts | 5.2% |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov
How do people in Census Tract 9586 get to work?
73.5% of Census Tract 9586's workers drive alone and 14.9% work from home. The average trip to work takes 18.7 minutes. The unemployment rate in 2020-2024 averaged 2.2%.
| Measure | Tract 9586 | Brookings County |
|---|---|---|
| In the labor force (age 16+) | 75.0% ±3.1 pts | 69.0% |
| Unemployment rate | 2.2% ±1.1 pts | 3.7% |
| Drove alone to work | 73.5% ±3.8 pts | 73.9% |
| Carpooled | 8.0% ±2.5 pts | 9.2% |
| Public transportation | 0.5% ±0.7 pts | 0.5% |
| Walked | 1.8% ±0.9 pts | 3.9% |
| Worked from home | 14.9% ±3.7 pts | 11.1% |
| Mean travel time to work | 18.7 min ±1.3 | 14.3 min |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
How does Census Tract 9586 compare with the other tracts in Brookings County?
Among Brookings County's tracts with a reliable estimate, Census Tract 9586 ranks as shown below (1 = highest).
| Measure | In Brookings County |
|---|---|
| Population | 5th of 7 |
| Residents per square mile | 7th of 7 |
| Median household income | 2nd of 7 |
| Per capita income | 3rd of 7 |
| Median home value | 4th of 7 |
| Median gross rent | 5th of 7 |
| Poverty rate | 5th of 7 |
| Bachelor's degree or higher | 7th of 7 |
| Median age | 3rd of 7 |
| Owner-occupied share | 1st of 7 |
The tracts next to it on Brookings County's income ladder
| Tract | Rank | Median household income |
|---|---|---|
| Tract 9588.03 | 1st | $92,091±$13,144 · within the margin of this tract |
| Tract 9586 | 2nd | $86,905±$10,724 |
| Tract 9587 | 3rd | $82,885±$11,532 · within the margin of this tract |
| Tract 9588.04 | 4th | $72,500±$13,797 · within the margin of this tract |
| Tract 9590 | 5th | $63,402±$20,290 |
"Within the margin": the two incomes differ by less than their combined 90% margins, so the survey cannot say which is higher and the ranks between them are not firm.
Source: PlainCities ranks computed from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · How ranks are computed
How reliable are the figures for Census Tract 9586?
2 of the 18 figures for Census Tract 9586 on this page carry a coefficient of variation over 40% and are marked with a ring: they come from a small sample, so read them as rough.
A census tract's figures rest on a few hundred sampled households over five years, so its margins are wider than a city's. Two tracts differ only when the gap between them is larger than their combined 90% margin (the square root of the sum of the two squared margins). How to read a margin of error.
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026): margins of error as published · Check it at data.census.gov
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections