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St. Thomas, North Dakota Demographics & Population 2026

During the 2020–2024 ACS period, St. Thomas, North Dakota had a total population of 306, the 139th largest city in North Dakota, with a median household income of $72,500, which is 5% lower than the state average. The poverty rate is 9.5%.

Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes

Key Takeaways

St. Thomas Quick Facts

Population 306
Median Household Income $72,500
Median Home Value $79,300
Poverty Rate 9.5%
Unemployment Rate 0.0%
Median Age 52.7 years
Homeownership Rate 84.8%
Affordability Ratio 1.1x
Bachelor's Degree or Higher 18.6%
High School Graduation Rate 88.3%
Diversity Index 36/100
Population 306 139th of 402
Median Income $72,500 average
Poverty Rate 9.5% 24% lower than national
Median Home Value $79,300 bottom 30%

How St. Thomas Changed

Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.

Metric2019–20232020–2024Change
Population306306+0.0%
Median household income$67,083$72,500+8.1%
Median home value$74,100$79,300+7.0%

How St. Thomas Compares

Economy & Housing

Household Income Distribution

Under $25K 20.9%
$25K-$50K 12.7%
$50K-$100K 26.6%
$100K+ 39.9%
Detailed income brackets
Under $10K
6.3%
$10K-$15K
2.5%
$15K-$20K
7.6%
$20K-$25K
4.4%
$25K-$30K
1.3%
$30K-$35K
3.2%
$35K-$40K
3.8%
$40K-$45K
1.3%
$45K-$50K
3.2%
$50K-$60K
7.6%
$60K-$75K
9.5%
$75K-$100K
9.5%
$100K-$125K
19.0%
$125K-$150K
8.2%
$150K-$200K
9.5%
$200K+
3.2%

Employment

0.0% Unemployment Rate State: 2.8%|National: 5.2%
54.6% Labor Force Participation

Housing Overview

Owner 84.8%
Renter 15.2%
Affordability Index Very Affordable
1.1x home value to income ratio
Median gross rent $825/mo 13.7% of median household income annually

People & Demographics

Diversity Index

36out of 100
Low Diversity

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

State average: 32 | National average: 61

Education

St. Thomas Rankings in North Dakota

#139 Population of 402
#151 Median Income of 326
#230 Education of 400
#233 Home Value of 317

Other Cities in Pembina County

CityPopulationMedian IncomePovertyHome Value
Cavalier 1,426 $60,449 6.2% $170,400
Walhalla 865 $34,107 15.0% $93,000
Drayton 763 $70,250 5.6% $107,500
Pembina 625 $101,875 7.7% $136,200
Neche 398 $82,500 10.1% $92,500
Crystal 103 N/A 1.9% $67,600
Mountain 100 $52,500 6.1% $99,000
Bathgate 56 N/A 58.9% $50,000
Hamilton 39 $83,750 15.4% $46,300
Canton City (Hensel) 28 N/A 25.0% $26,300

Cities Similar to St. Thomas

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

CityPopulationMedian IncomeHome ValueBachelor's+Poverty
Anamoose309$78,750$87,00012.3%19.4%
Hunter292$74,583$125,00018.7%12.7%
Powers Lake301$79,397$232,10027.6%5.3%
Finley329$74,643$70,70034.2%15.5%
Michigan City277$75,000$120,00032.6%4.7%

A note before these figures: with a population of 306, St. Thomas's ACS estimates come from a small number of survey responses and carry wide margins of error. Individual percentages below — particularly rates that round to 0% or 100% — are approximations, not precise measurements. See data.census.gov for the published margins of error.

Population Overview

St. Thomas is a small community located in North Dakota, within Pembina County. The total population is 306. It ranks as the 139th most populous out of 402 Census-designated places in North Dakota.

Age Demographics

The median age in St. Thomas is 52.7 years. This is 47% higher than the state median of 35.9 years. Only 12.8% of residents are under 18, indicating fewer families with children.

Economy, Income & Housing

The median household income in St. Thomas is $72,500. This is 5% lower than the state median of $76,657. It is also 10% lower than the national median of $80,734. The poverty rate stands at 9.5%. This is 12% lower than the state poverty rate of 10.8%. The survey records no unemployed residents in St. Thomas, which reflects the size of the sample rather than a labor market without joblessness. The median home value is $79,300. Housing costs are 68% lower than the state median of $249,900. With a home-value-to-income ratio of just 1.1x, St. Thomas is one of the most affordable housing markets in the area. 84.8% of occupied housing units are owner-occupied. This homeownership rate is 35% higher than the state average of 62.8%.

Race & Ethnicity

The largest racial or ethnic group in St. Thomas is White (non-Hispanic), making up 77.5% of the population. Hispanic or Latino residents account for 20.6%. The Hispanic or Latino population is significantly higher than the state average (20.6% vs 4.7%).

Education

18.6% of residents aged 25 and older hold a bachelor's degree or higher. This is 43% lower than the state rate of 32.7%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 88.3%.

Data Sources & Methodology

All demographic data for St. Thomas, North Dakota is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against North Dakota state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 402 Census-designated places in North Dakota. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.

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

Frequently Asked Questions

What is the population of St. Thomas, North Dakota?

St. Thomas, North Dakota has a population of 306 according to the most recent U.S. Census ACS 5-Year Estimates.

What is the median household income in St. Thomas, ND?

The median household income in St. Thomas is $72,500, which is 10% lower than the national median of $80,734.

What is the poverty rate in St. Thomas, ND?

The poverty rate in St. Thomas is 9.5%. This means approximately 29 residents live below the federal poverty line.

What is the racial makeup of St. Thomas, North Dakota?

St. Thomas's population is 77.5% White, 0.0% Black, 20.6% Hispanic/Latino, and 0.0% Asian.

What is the median home value in St. Thomas, ND?

The median home value in St. Thomas is $79,300. The home-value-to-income ratio is 1.1x.

How educated is St. Thomas, North Dakota?

18.6% of adults (25+) in St. Thomas hold a bachelor's degree or higher, and 1.5% hold a graduate or professional degree.