Unified School District · SD
Douglas School District 51-1
Douglas School District 51-1 is a unified school district in South Dakota with a community population of 18,206. The median household income is $76,144 and the median age is 31.0.
18,206
Population
121
People / sq mi
$76,144
Median Income
31.0
Median Age
Douglas School District 51-1 covers 151 sq mi of land at 120.8 people per square mile.
Race & Ethnicity
| White | 76.2% |
| Black or African American | 0.0% |
| Asian | 46.9% |
| Hispanic or Latino (any race) | 0.0% |
Economy & Income
$76,144
Median Household Income
$32,434
Per Capita Income
7.9%
Poverty Rate
4.3%
Unemployment
Housing
$322,200
Median Home Value
$1,518
Median Rent
60.3%
Homeownership
Education Attainment
93.4%
High School+
23.2%
Bachelor's+
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State rankings
Frequently Asked Questions
Douglas School District 51-1 serves a community with a population of 18,206 according to the latest Census ACS 5-Year estimates. This unified school district is located in South Dakota.
The median household income in Douglas School District 51-1 is $76,144, with a per capita income of $32,434. The poverty rate is 7.9%.
Douglas School District 51-1 is 76.2% White, 0.0% Black or African American, 46.9% Asian, and 0.0% Hispanic or Latino, per Census ACS data.
In Douglas School District 51-1, 93.4% of adults have a high school diploma or higher, and 23.2% hold a bachelor's degree or higher, per Census ACS estimates.
The median home value in Douglas School District 51-1 is $322,200, with a median rent of $1,518. The homeownership rate is 60.3%.
More from South Dakota
Data for Douglas School District 51-1 from the American Community Survey 5-Year estimates. Land area from Census Gazetteer files. This is a unified school district (GEOID: 4619410).
this entity is one of the data points covered by this site’s U.S. population demographics dataset. The detail above comes directly from the U.S. Census Bureau ACS and decennial files; the context that follows situates the headline numbers against the broader distribution across U.S. states, metros, cities, and ZIPs.
The methodology behind every numeric value on this page is publicly documented on the the U.S. Census Bureau ACS and decennial files portal and described in detail on this site’s methodology page. Refresh cadence varies by underlying series; the page surfaces the as-of date for each number so readers can trace any figure back to the source release.
Practical use of this page is in combination with the comparison and ranking pages elsewhere on the site, which surface the same data for this entity’s peers within U.S. states, metros, cities, and ZIPs. A single-entity reading without peer context can be misleading when an entity is an outlier on one axis but typical on another.
Source: U.S. Census Bureau ACS, 2026.