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Grenville town, South Dakota Demographics & Population 2026

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Very AffordableHome value to income ratio of 0.5x is exceptionally low

As of 2026, Grenville town, South Dakota has a total population of 70, the 337th largest city in South Dakota, with a median household income of $83,125, which is 15% higher than the state average. The poverty rate is 17.1%.

Key Takeaways

Grenville town Quick Facts

Population 70
Median Household Income $83,125
Median Home Value $43,100
Poverty Rate 17.1%
Unemployment Rate 0.0%
Median Age 57.7 years
Homeownership Rate 94.3%
Affordability Ratio 0.5x
Bachelor's Degree or Higher 7.7%
High School Graduation Rate 90.8%
Diversity Index 6/100
Population 70 337th of 439
Median Income $83,125 top 20%
Poverty Rate 17.1% 38% higher national
Median Home Value $43,100 bottom 10%

How Grenville town Compares

Economy & Housing

Employment

0.0% Unemployment Rate State: 3.0% | National: 5.2%
62.9% Labor Force Participation

Housing Overview

Owner 94.3%
Renter 5.7%
Affordability Index Very Affordable
0.5x home value to income ratio

People & Demographics

Diversity Index

6out of 100
Very Low Diversity

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

State average: 33 | National average: 60

Education

Grenville town Rankings in South Dakota

#337 Population of 439
#63 Median Income of 439
#332 Education of 439
#297 Home Value of 439

Explore South Dakota Rankings

Cities by Population All cities ranked by size Richest Cities Ranked by median income Most Educated By bachelor's degree rate Most Affordable By housing affordability

Other Cities in Day County

CityPopulationMedian IncomePovertyHome Value
Webster city 1,823 $55,074 15.1% $122,200
Waubay city 425 $36,635 9.2% $105,000
Bristol city 245 $51,250 11.9% $61,700
Roslyn town 174 $44,375 9.1% $77,100
Pierpont town 165 $85,000 10.3% $58,100
Andover town 36 N/A 5.6% $49,200
Butler town 4 N/A 0.0% N/A

Cities Similar to Grenville town

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

CityPopulationMedian IncomeHome ValueBachelor's+Poverty
Clearfield Colony CDP70N/AN/AN/A100.0%
Kaylor CDP68N/AN/A42.0%13.2%
Corona town72$78,611N/A0.0%1.4%
Jamesville Colony CDP66N/AN/A0.0%0.0%
Tolstoy town67$86,875N/A45.5%0.0%

Population Overview

Grenville town is a small community located in South Dakota, within Day County. The total population is 70. It ranks as the 337th most populous out of 439 cities and towns in South Dakota.

Age Demographics

The median age in Grenville town is 57.7 years. This is 53% higher than the state median of 37.7 years. Only 0.0% of residents are under 18, indicating fewer families with children.

Economy, Income & Housing

The median household income in Grenville town is $83,125. This is 15% higher than the state median of $72,421. Compared to the national median of $78,538, household income here is 6% higher. The poverty rate stands at 17.1%. This is 43% higher 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 $43,100. Housing costs are 82% lower than the state median of $236,800. With a home-value-to-income ratio of just 0.5x, Grenville town is one of the most affordable housing markets in the area. 94.3% of occupied housing units are owner-occupied. This homeownership rate is 37% higher than the state average of 68.6%.

Race & Ethnicity

Grenville town has a predominantly White (non-Hispanic) population, comprising 97.1% of all residents. Hispanic or Latino residents account for 2.9%.

Education

7.7% of residents aged 25 and older hold a bachelor's degree or higher. This is 75% 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 90.8%.

Data Sources & Methodology

All demographic data for Grenville town, 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 Grenville town, South Dakota?

Grenville town, South Dakota has a population of 70 according to the most recent U.S. Census ACS 5-Year Estimates.

What is the median household income in Grenville town, SD?

The median household income in Grenville town is $83,125, which is 6% higher the national median of $78,538.

What is the poverty rate in Grenville town, SD?

The poverty rate in Grenville town is 17.1%. This means approximately 12 residents live below the federal poverty line.

What is the racial makeup of Grenville town, South Dakota?

Grenville town's population is 97.1% White, 0.0% Black, 2.9% Hispanic/Latino, and 0.0% Asian.

What is the median home value in Grenville town, SD?

The median home value in Grenville town is $43,100. The home-value-to-income ratio is 0.5x.

How educated is Grenville town, South Dakota?

7.7% of adults (25+) in Grenville town hold a bachelor's degree or higher, and 3.1% hold a graduate or professional degree.