Census tract · Brookings County
Census Tract 9587, Brookings County, South Dakota
Census Tract 9587, GEOID 46011958700, in Brookings County, South Dakota, partly within Volga, Eureka Township, Brookings County, Medary Township, Oakwood Township, Sterling Township, Bangor Township, Laketon Township, Volga Township, Winsor Township, Preston Township, Lake Sinai Township, Brookings Township, Oslo Township, Bruce, Argo Township, Sinai, Trenton Township, Afton Township, Brookings County, Lake Poinsett, Aurora Township, Brookings County and Arlington. 5,441 residents in the ACS 2020-2024 5-year estimates (±309); the 2020 Census counted 5,366.
Residents, 2020-2024
5,441
±309 (90% margin)
2020 Census count: 5,366
Median household income
$82,885
±$11,532 (90% margin)
Brookings County: $70,064
Median home value
$275,900
±$29,361 (90% margin)
Brookings County: $264,600
Median gross rent
$1,095
±$64 (90% margin)
Brookings County: $901
Where is Census Tract 9587?
Census Tract 9587 is one of 7 census tracts in Brookings County, South Dakota. It covers 399.14 square miles of land, 13 residents per square mile in 2020. Its GEOID, 46011958700, names it uniquely (how tract numbers and GEOIDs work).
| Place | Share of the tract |
|---|---|
| Volga | 10% |
| Eureka Township, Brookings County | 8% |
| Medary Township | 8% |
| Oakwood Township | 7% |
| Sterling Township | 7% |
| Bangor Township | 7% |
| Laketon Township | 7% |
| Volga Township | 7% |
| Winsor Township | 7% |
| Preston Township | 6% |
| Lake Sinai Township | 5% |
| Brookings Township | 5% |
| Oslo Township | 5% |
| Bruce | 4% |
| Argo Township | 2% |
| Sinai | 1% |
| Trenton Township | 1% |
| Afton Township, Brookings County | 1% |
| Lake Poinsett | 1% |
| Aurora Township, Brookings County | 1% |
| Arlington | 0% |
10 census tracts border Census Tract 9587: Tract 9586 ($86,905), Tract 9588.03 ($92,091), Tract 9588.05 ($49,358), Tract 9589 ($44,402), Tract 9590 ($63,402), Tract 9536 in Deuel County ($82,171), Tract 9551 in Hamlin County ($88,750), Tract 9581 in Kingsbury County ($74,779), Tract 9601 in Lake County ($95,313) 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 9587?
The 2020-2024 American Community Survey puts Census Tract 9587's population at 5,441 (±309) in 2,266 households; the 2020 Census counted 5,366 residents and 2,507 housing units.
| Measure | Tract 9587 | Brookings County |
|---|---|---|
| Total population | 5,441 ±309 | 35,353 |
| Households | 2,266 ±196 | 13,798 |
| Average household size | 2.40 ±0.14 | 2.33 |
| Housing units | 2,713 ±186 | 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 9587?
The median resident of Census Tract 9587 is 36.2 years old; 25.6% are under 18 and 19.3% are 65 or older. The largest group is non-Hispanic white residents at 95.1%, then Hispanic or Latino residents (of any race) at 2.4%.
| Measure | Tract 9587 | Brookings County |
|---|---|---|
| Median age | 36.2 ±3.1 | 28.0 |
| Under 18 years | 25.6% ±3.3 pts | 21.1% |
| 65 years and over | 19.3% ±2.5 pts | 13.4% |
| Hispanic or Latino (any race) | 2.4% ±1.8 pts | 4.6% |
| White alone, not Hispanic | 95.1% ±2.6 pts | 87.5% |
| Black or African American alone, not Hispanic | 0.8% ±1.4 pts | 1.0% |
| Asian alone, not Hispanic | 0.4% ±0.7 pts | 3.3% |
| American Indian and Alaska Native alone, not Hispanic | 0.1% ±0.2 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 | 1.1% ±1.0 pts | 2.8% |
| Some other race alone, not Hispanic | 0.2% ±0.3 pts | 0.0% |
| Born outside the United States | 1.9% ±1.6 pts | 6.2% |
| Speak a language other than English at home (age 5+) | 2.4% ±1.3 pts | 9.7% |
| Civilian veterans (age 18+) | 7.0% ±2.4 pts | 4.8% |
| With a disability | 10.1% ±3.0 pts | 9.2% |
| No health insurance coverage | 2.6% ±1.4 pts | 5.1% |
| High school graduate or higher (age 25+) | 97.7% ±1.3 pts | 97.1% |
| Bachelor's degree or higher (age 25+) | 35.5% ±4.5 pts | 42.5% |
| Graduate or professional degree (age 25+) | 11.2% ±3.9 pts | 14.3% |
| Lived in the same house a year earlier | 90.9% ±3.4 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 9587 earn?
Half of the 2,266 households in Census Tract 9587 earn less than $82,885 a year (±$11,532), against $70,064 across Brookings County: 3rd highest of the county's 7 tracts with a reliable estimate. 4.2% of residents live below the poverty line.
| Measure | Tract 9587 | Brookings County |
|---|---|---|
| Median household income | $82,885 ±$11,532 | $70,064 |
| Mean household income | $103,703 ±$8,273 | $89,400 |
| Per capita income | $42,732 ±$3,285 | $35,295 |
| People below the poverty line | 4.2% ±2.4 pts | 13.2% |
| Children under 18 below the poverty line | 1.4% ±1.6 pts | 4.8% |
| Households receiving SNAP | 0.8% ±0.6 pts | 4.4% |
| Households with a computer | 96.1% ±2.6 pts | 96.8% |
| Households with a broadband subscription | 91.7% ±3.6 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 9587?
Owners occupy 71.8% of Census Tract 9587's occupied homes and renters 28.2%. The median owner-occupied home is valued at $275,900 by its owner (±$29,361). The median renter pays $1,095 a month including utilities, and 17.2% of renters pay 35% or more of their income on rent.
| Measure | Tract 9587 | Brookings County |
|---|---|---|
| Median home value (owner-occupied) | $275,900 ±$29,361 | $264,600 |
| Median gross rent | $1,095 ±$64 | $901 |
| Renters paying 35% or more of income on rent | 17.2% ±9.5 pts | 30.9% |
| Median monthly owner costs, with a mortgage | $1,742 ±$177 | $1,735 |
| Owner-occupied homes | 71.8% ±5.6 pts | 57.2% |
| Renter-occupied homes | 28.2% ±5.6 pts | 42.8% |
| Housing units | 2,713 ±186 | 15,179 |
| Single-family detached homes | 80.0% ±5.1 pts | 57.9% |
| Mobile homes | 6.1% ±3.0 pts | 6.1% |
| Built 2020 or later | 2.5% ±2.3 pts | 2.4% |
| Built 2010 to 2019 | 17.3% ±4.8 pts | 17.6% |
| Built 1939 or earlier | 23.0% ±5.7 pts | 16.3% |
| Households with no vehicle | 2.5% ±2.2 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 9587 get to work?
76.9% of Census Tract 9587's workers drive alone and 10.6% work from home. The average trip to work takes 18.3 minutes. The unemployment rate in 2020-2024 averaged 2.2%.
| Measure | Tract 9587 | Brookings County |
|---|---|---|
| In the labor force (age 16+) | 67.7% ±3.6 pts | 69.0% |
| Unemployment rate | 2.2% ±1.3 pts | 3.7% |
| Drove alone to work | 76.9% ±5.4 pts | 73.9% |
| Carpooled | 6.4% ±2.6 pts | 9.2% |
| Public transportation | 0.5% ±0.9 pts | 0.5% |
| Walked | 2.6% ±2.2 pts | 3.9% |
| Worked from home | 10.6% ±3.8 pts | 11.1% |
| Mean travel time to work | 18.3 min ±1.8 | 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 9587 compare with the other tracts in Brookings County?
Among Brookings County's tracts with a reliable estimate, Census Tract 9587 ranks as shown below (1 = highest).
| Measure | In Brookings County |
|---|---|
| Population | 4th of 7 |
| Residents per square mile | 6th of 7 |
| Median household income | 3rd of 7 |
| Per capita income | 2nd of 7 |
| Median home value | 3rd of 7 |
| Median gross rent | 3rd of 7 |
| Poverty rate | 7th of 7 |
| Bachelor's degree or higher | 5th of 7 |
| Median age | 1st of 7 |
| Owner-occupied share | 2nd 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 · within the margin of this tract |
| Tract 9587 | 3rd | $82,885±$11,532 |
| Tract 9588.04 | 4th | $72,500±$13,797 · within the margin of this tract |
| Tract 9590 | 5th | $63,402±$20,290 · within the margin of this tract |
| Tract 9588.05 | 6th | $49,358±$8,421 |
"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 9587?
3 of the 18 figures for Census Tract 9587 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