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Plankinton city, South Dakota Demographics & Population 2026

Very AffordableHome value to income ratio of 1.4x is exceptionally low

As of 2026, Plankinton city, South Dakota has a total population of 637, the 130th largest city in South Dakota, with a median household income of $76,250, which is 5% higher than the state average. The poverty rate is 6.7%.

Key Takeaways

Plankinton city Quick Facts

Population 637
Median Household Income $76,250
Median Home Value $110,500
Poverty Rate 6.7%
Unemployment Rate 0.0%
Median Age 42.5 years
Homeownership Rate 77.1%
Affordability Ratio 1.4x
Bachelor's Degree or Higher 24.8%
High School Graduation Rate 92.4%
Diversity Index 32/100
Population 637 130th of 439
Median Income $76,250 top 30%
Poverty Rate 6.7% 46% lower national
Median Home Value $110,500 average

How Plankinton city Compares

Economy & Housing

Employment

0.0% Unemployment Rate State: 3.0% | National: 5.2%
78.2% Labor Force Participation

Housing Overview

Owner 77.1%
Renter 22.9%
Affordability Index Very Affordable
1.4x home value to income ratio

People & Demographics

Diversity Index

32out of 100
Low Diversity

A less diverse community where one racial or ethnic group represents a large majority.

State average: 33 | National average: 60

Education

Plankinton city Rankings in South Dakota

#130 Population of 439
#83 Median Income of 439
#129 Education of 439
#169 Home Value of 439

Other Cities in Aurora County

CityPopulationMedian IncomePovertyHome Value
White Lake city 423 $48,906 9.9% $59,300
Stickney town 251 $58,333 19.1% $99,400

Cities Similar to Plankinton city

These cities in the same state have comparable population and economic profiles.

CityPopulationMedian IncomeHome ValueBachelor's+Poverty
Onida city658$71,050$187,00025.7%6.6%
Faulkton city627$68,672$100,00021.9%7.9%
Murdo city633$66,250$120,70021.2%16.6%
Wall town595$72,784$149,60021.4%2.5%
Corsica city654$65,893$126,80027.7%7.5%

Population Overview

Plankinton city is a small community located in South Dakota, within Aurora County. The total population is 637. It ranks as the 130th most populous out of 439 cities and towns in South Dakota.

Age Demographics

The median age in Plankinton city is 42.5 years. This is 13% higher than the state median of 37.7 years.

Economy, Income & Housing

The median household income in Plankinton city is $76,250. This is 5% higher than the state median of $72,421. Compared to the national median of $78,538, household income here is 3% lower. The poverty rate stands at 6.7%. This is 44% lower than the state poverty rate of 12.0%. The unemployment rate is 0.0%. This is 100% lower than the state rate of 3.0%. The median home value is $110,500. Housing costs are 53% lower than the state median of $236,800. With a home-value-to-income ratio of just 1.4x, Plankinton city is one of the most affordable housing markets in the area. 77.1% of occupied housing units are owner-occupied. This homeownership rate is 12% higher than the state average of 68.6%.

Race & Ethnicity

The largest racial or ethnic group in Plankinton city is White (non-Hispanic), making up 81.0% of the population. Hispanic or Latino residents account for 16.5%. The Hispanic or Latino population is significantly higher than the state average (16.5% vs 4.6%).

Education

24.8% of residents aged 25 and older hold a bachelor's degree or higher. This is 20% lower than the state rate of 31.1%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 92.4%.

Data Sources & Methodology

All demographic data for Plankinton city, South Dakota is sourced from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates (2019-2023). The ACS collects data from approximately 3.5 million households annually, providing reliable estimates for communities of all sizes. Comparisons are made against South Dakota state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 439 Census-designated places in South Dakota. For official data, visit data.census.gov.

Free data download: Get all South Dakota city and county demographics as CSV. Download Cities CSV | Download Counties CSV

Frequently Asked Questions

What is the population of Plankinton city, South Dakota?

Plankinton city, South Dakota has a population of 637 according to the most recent U.S. Census ACS 5-Year Estimates.

What is the median household income in Plankinton city, SD?

The median household income in Plankinton city is $76,250, which is 3% lower the national median of $78,538.

What is the poverty rate in Plankinton city, SD?

The poverty rate in Plankinton city is 6.7%. This means approximately 42 residents live below the federal poverty line.

What is the racial makeup of Plankinton city, South Dakota?

Plankinton city's population is 81.0% White, 0.0% Black, 16.5% Hispanic/Latino, and 0.8% Asian.

What is the median home value in Plankinton city, SD?

The median home value in Plankinton city is $110,500. The home-value-to-income ratio is 1.4x.

How educated is Plankinton city, South Dakota?

24.8% of adults (25+) in Plankinton city hold a bachelor's degree or higher, and 4.3% hold a graduate or professional degree.