Census tract · Hamlin County
Census Tract 9551, Hamlin County, South Dakota
Census Tract 9551, GEOID 46057955100, in Hamlin County, South Dakota, partly within Estelline Township, Dempster Township, Hamlin Township, Castlewood, Estelline, Florence Township, Hamlin County, Castlewood Township, Norden Township, Hamlin County, Lake Poinsett, Claremont Colony and Poinsett Colony. 2,757 residents in the ACS 2020-2024 5-year estimates (±230); the 2020 Census counted 2,798.
Residents, 2020-2024
2,757
±230 (90% margin)
2020 Census count: 2,798
Median household income
$88,750
±$3,791 (90% margin)
Hamlin County: $87,101
Median home value
$214,300
±$20,206 (90% margin)
Hamlin County: $208,600
Median gross rent
$994
±$137 (90% margin)
Hamlin County: $800
Where is Census Tract 9551?
Census Tract 9551 is one of 2 census tracts in Hamlin County, South Dakota. It covers 191.11 square miles of land, 15 residents per square mile in 2020. Its GEOID, 46057955100, names it uniquely (how tract numbers and GEOIDs work).
| Place | Share of the tract |
|---|---|
| Estelline Township | 20% |
| Dempster Township | 15% |
| Hamlin Township | 14% |
| Castlewood | 13% |
| Estelline | 13% |
| Florence Township, Hamlin County | 12% |
| Castlewood Township | 10% |
| Norden Township, Hamlin County | 5% |
| Lake Poinsett | 3% |
| Claremont Colony | 0% |
| Poinsett Colony | 0% |
4 census tracts border Census Tract 9551: Tract 9587 in Brookings County ($82,885), Tract 9541 in Codington County ($90,347), Tract 9536 in Deuel County ($82,171) and Tract 9552 ($86,019). 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 9551?
The 2020-2024 American Community Survey puts Census Tract 9551's population at 2,757 (±230) in 1,004 households; the 2020 Census counted 2,798 residents and 1,510 housing units.
| Measure | Tract 9551 | Hamlin County |
|---|---|---|
| Total population | 2,757 ±230 | 6,373 |
| Households | 1,004 ±89 | 2,194 |
| Average household size | 2.69 ±0.20 | 2.83 |
| Housing units | 1,469 ±79 | 2,860 |
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 9551?
The median resident of Census Tract 9551 is 37.5 years old; 30.3% are under 18 and 16.6% are 65 or older. The largest group is non-Hispanic white residents at 90.4%, then non-Hispanic residents of two or more races at 4.1%. 2.7% of residents were born outside the United States.
| Measure | Tract 9551 | Hamlin County |
|---|---|---|
| Median age | 37.5 ±2.7 | 31.8 |
| Under 18 years | 30.3% ±2.5 pts | 33.1% |
| 65 years and over | 16.6% ±2.1 pts | 14.3% |
| Hispanic or Latino (any race) | 4.0% ±2.1 pts | 5.9% |
| White alone, not Hispanic | 90.4% ±2.3 pts | 91.2% |
| Black or African American alone, not Hispanic | 0.3% ±0.3 pts | 0.1% |
| Asian alone, not Hispanic | 0.6% ±0.6 pts | 0.3% |
| American Indian and Alaska Native alone, not Hispanic | 0.1% ±0.2 pts | 0.2% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0% ±0.9 pts | 0.0% |
| Two or more races, not Hispanic | 4.1% ±1.2 pts | 2.2% |
| Some other race alone, not Hispanic | 0.4% ±0.5 pts | 0.2% |
| Born outside the United States | 2.7% ±1.4 pts | 3.9% |
| Speak a language other than English at home (age 5+) | 3.6% ±1.9 pts | 5.7% |
| Civilian veterans (age 18+) | 7.1% ±1.7 pts | 6.0% |
| With a disability | 9.4% ±1.6 pts | 7.5% |
| No health insurance coverage | 8.9% ±2.8 pts | 7.7% |
| High school graduate or higher (age 25+) | 93.2% ±2.8 pts | 91.9% |
| Bachelor's degree or higher (age 25+) | 29.0% ±3.5 pts | 24.5% |
| Graduate or professional degree (age 25+) | 6.8% ±2.0 pts | 6.1% |
| Lived in the same house a year earlier | 96.3% ±1.5 pts | 91.2% |
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 9551 earn?
Half of the 1,004 households in Census Tract 9551 earn less than $88,750 a year (±$3,791), against $87,101 across Hamlin County. 5.8% of residents live below the poverty line.
| Measure | Tract 9551 | Hamlin County |
|---|---|---|
| Median household income | $88,750 ±$3,791 | $87,101 |
| Mean household income | $101,514 ±$8,794 | $109,883 |
| Per capita income | $38,072 ±$3,136 | $39,106 |
| People below the poverty line | 5.8% ±2.1 pts | 6.9% |
| Children under 18 below the poverty line | 5.8% ±3.2 pts | 9.5% |
| Households receiving SNAP | 3.1% ±1.5 pts | 3.2% |
| Households with a computer | 96.0% ±2.8 pts | 96.8% |
| Households with a broadband subscription | 88.5% ±4.1 pts | 90.2% |
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 9551?
Owners occupy 87.9% of Census Tract 9551's occupied homes and renters 12.1%. The median owner-occupied home is valued at $214,300 by its owner (±$20,206). The median renter pays $994 a month including utilities, and 53.5% of renters pay 35% or more of their income on rent.
| Measure | Tract 9551 | Hamlin County |
|---|---|---|
| Median home value (owner-occupied) | $214,300 ±$20,206 | $208,600 |
| Median gross rent | $994 ±$137 | $800 |
| Renters paying 35% or more of income on rent | 53.5% ±16.5 pts | 19.5% |
| Median monthly owner costs, with a mortgage | $1,448 ±$80 | $1,555 |
| Owner-occupied homes | 87.9% ±3.5 pts | 82.0% |
| Renter-occupied homes | 12.1% ±3.5 pts | 18.0% |
| Housing units | 1,469 ±79 | 2,860 |
| Single-family detached homes | 92.2% ±2.9 pts | 88.4% |
| Mobile homes | 2.7% ±1.6 pts | 4.9% |
| Built 2020 or later | 1.3% ±1.3 pts | 2.9% |
| Built 2010 to 2019 | 12.2% ±3.6 pts | 11.4% |
| Built 1939 or earlier | 25.1% ±4.5 pts | 31.7% |
| Households with no vehicle | 1.6% ±1.8 pts | 1.3% |
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 9551 get to work?
74.2% of Census Tract 9551's workers drive alone and 7.3% work from home. The average trip to work takes 24.2 minutes.
| Measure | Tract 9551 | Hamlin County |
|---|---|---|
| In the labor force (age 16+) | 71.7% ±2.7 pts | 70.0% |
| Unemployment rate | 0.9% ±0.7 pts | 0.5% |
| Drove alone to work | 74.2% ±4.2 pts | 73.4% |
| Carpooled | 14.8% ±4.0 pts | 12.0% |
| Public transportation | 0.0% ±1.8 pts | 0.0% |
| Walked | 3.6% ±1.7 pts | 7.3% |
| Worked from home | 7.3% ±2.4 pts | 7.0% |
| Mean travel time to work | 24.2 min ±2.5 | 22.2 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 9551 compare with the other tracts in Hamlin County?
Hamlin County has only two tracts, too few for a rank to say anything; the comparison above sets Census Tract 9551 beside the county and the state.
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 9551?
2 of the 18 figures for Census Tract 9551 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