Mount Vernon city, South Dakota Demographics & Population 2026
As of 2026, Mount Vernon city, South Dakota has a total population of 437, the 163rd largest city in South Dakota, with a median household income of $58,542, which is 19% lower than the state average. The poverty rate is 3.7%.
Key Takeaways
- An exceptionally low poverty rate of 3.7% — among the lowest in South Dakota.
- Near full employment with an unemployment rate of just 0.4%.
Mount Vernon city Quick Facts
How Mount Vernon city Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 33 | National average: 60
Education
Educational Attainment (Adults 25+)
Mount Vernon city Rankings in South Dakota
Explore South Dakota Rankings
Other Cities in Davison County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Mitchell city | 15,637 | $56,374 | 14.1% | $182,000 |
| Ethan town | 263 | $54,688 | 14.4% | $134,400 |
Cities Similar to Mount Vernon city
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Wilmot city | 441 | $61,563 | $68,600 | 29.0% | 9.4% |
| Bowdle city | 442 | $55,875 | $95,600 | 24.9% | 15.3% |
| White city | 438 | $63,125 | $141,700 | 23.5% | 5.3% |
| Iroquois city | 425 | $60,750 | $138,500 | 22.0% | 1.7% |
| Rosholt town | 430 | $62,375 | $115,800 | 22.8% | 13.3% |
Population Overview
Mount Vernon city is a small community located in South Dakota, within Davison County. The total population is 437. It ranks as the 163rd most populous out of 439 cities and towns in South Dakota.
Age Demographics
The median age in Mount Vernon city is 28.9 years. This is 23% lower than the state median of 37.7 years.
Economy, Income & Housing
The median household income in Mount Vernon city is $58,542. This is 19% lower than the state median of $72,421. Compared to the national median of $78,538, household income here is 25% lower. The poverty rate stands at 3.7%. This is 69% lower than the state poverty rate of 12.0%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The unemployment rate is 0.4%. This is 87% lower than the state rate of 3.0%. The median home value is $163,100. Housing costs are 31% lower than the state median of $236,800. With a home-value-to-income ratio of just 2.8x, Mount Vernon city is one of the most affordable housing markets in the area. 59.6% of occupied housing units are owner-occupied. This homeownership rate is 13% lower than the state average of 68.6%.
Race & Ethnicity
Mount Vernon city has a predominantly White (non-Hispanic) population, comprising 94.0% of all residents.
Education
19.7% of residents aged 25 and older hold a bachelor's degree or higher. This is 37% 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 93.5%.
Data Sources & Methodology
All demographic data for Mount Vernon 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 Mount Vernon city, South Dakota?
Mount Vernon city, South Dakota has a population of 437 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Mount Vernon city, SD?
The median household income in Mount Vernon city is $58,542, which is 25% lower the national median of $78,538.
What is the poverty rate in Mount Vernon city, SD?
The poverty rate in Mount Vernon city is 3.7%. This means approximately 16 residents live below the federal poverty line.
What is the racial makeup of Mount Vernon city, South Dakota?
Mount Vernon city's population is 94.0% White, 0.0% Black, 0.0% Hispanic/Latino, and 0.0% Asian.
What is the median home value in Mount Vernon city, SD?
The median home value in Mount Vernon city is $163,100. The home-value-to-income ratio is 2.8x.
How educated is Mount Vernon city, South Dakota?
19.7% of adults (25+) in Mount Vernon city hold a bachelor's degree or higher, and 2.7% hold a graduate or professional degree.