US Census Data

Fort Thompson vs Gann Valley

A side-by-side comparison of Fort Thompson and Gann Valley: population, income, housing, and more.

Fort Thompson and Gann Valley are places in South Dakota. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Fort Thompson has the higher population (1,134 vs 5 in Gann Valley). Since 2019, Fort Thompson's population has grown faster (-8.2% vs -68.8%).

Population, income & housing

Fort ThompsonGann Valley
Population1,1345
Median age29.6 yrs
Median household income$45,313
Median home value$110,300
Median gross rent$515
Housing units3765
Homeownership rate43.9%100.0%
Bachelor's degree or higher4.3%0.0%
Unemployment rate12.3%0.0%

Trends (ACS 5-year, 2019–2023)

Fort ThompsonGann Valley
Population1,235 → 1,134 (-8.2%)16 → 5 (-68.8%)
Median household income$23,594 → $45,313 (+92.1%)
Median home value$30,500 → $110,300 (+261.6%)
Median gross rent$407 → $515 (+26.5%)

Fort Thompson

Population
1,2351,134
Median household income
$23,594$45,313
Median home value
$30,500$110,300
Median gross rent
$407$515

Gann Valley

Population
165

Age & race/ethnicity

Age distribution (share)

Fort ThompsonGann Valley
Under 58.8%0.0%
5 to 1723.2%0.0%
18 to 2412.3%0.0%
25 to 3411.8%0.0%
35 to 4414.9%100.0%
45 to 5410.3%0.0%
55 to 6410.4%0.0%
65 to 744.1%0.0%
75 and over4.2%0.0%

Race & ethnicity (share)

Fort ThompsonGann Valley
White (non-Hispanic)3.8%100.0%
Black or African American0.0%0.0%
American Indian & Alaska Native92.7%0.0%
Asian0.0%0.0%
Native Hawaiian & Pacific Islander0.0%0.0%
Some other race0.0%0.0%
Two or more races1.8%0.0%
Hispanic or Latino1.8%0.0%

Educational attainment (age 25+)

Share of adults 25+

Fort ThompsonGann Valley
No high school diploma17.6%0.0%
High school graduate56.8%0.0%
Some college or associate's21.4%100.0%
Bachelor's degree4.3%0.0%
Graduate or professional degree0.0%0.0%

Commute to work

How workers get to work (share)

Fort ThompsonGann Valley
Drove alone84.1%100.0%
Carpooled2.7%0.0%
Public transit0.0%0.0%
Walked6.2%0.0%
Bicycle0.0%0.0%
Worked from home3.8%0.0%
Other means3.2%0.0%

Housing

Units in structure (share)

Fort ThompsonGann Valley
1-unit, detached64.4%100.0%
1-unit, attached1.1%0.0%
2 to 4 units3.2%0.0%
5 to 19 units8.5%0.0%
20 or more units1.6%0.0%
Mobile home & other21.3%0.0%

Poverty & households

Fort ThompsonGann Valley
Poverty rate40.5%0.0%
Average household size3.48
Mean commute (minutes)12
Median year structure built1975

Full profiles

2

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Fort Thompson vs Gann Valley: Compare Population & Demographics | US Census Data