St. Maries city, Idaho Demographics & Population 2026
As of 2026, St. Maries city, Idaho has a total population of 3,032, the 51st largest city in Idaho, with a median household income of $52,468, which is 30% lower than the state average. The poverty rate is 18.1%.
St. Maries city Quick Facts
How St. Maries 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: 35 | National average: 60
Education
Educational Attainment (Adults 25+)
St. Maries city Rankings in Idaho
Explore Idaho Rankings
Cities Similar to St. Maries city
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Homedale city | 3,006 | $49,764 | $200,000 | 10.4% | 19.7% |
| Wendell city | 2,940 | $54,850 | $209,600 | 10.3% | 16.5% |
| Filer city | 2,837 | $53,508 | $224,400 | 12.3% | 8.7% |
| Soda Springs city | 3,150 | $47,480 | $204,800 | 7.1% | 12.4% |
| Orofino city | 3,254 | $57,171 | $218,900 | 17.6% | 8.2% |
Population Overview
St. Maries city is a small community located in Idaho. The total population is 3,032. It ranks as the 51st most populous out of 234 cities and towns in Idaho.
Age Demographics
The median age in St. Maries city is 39.6 years. This is 7% higher than the state median of 37.1 years.
Economy, Income & Housing
The median household income in St. Maries city is $52,468. This is 30% lower than the state median of $74,636. Compared to the national median of $78,538, household income here is 33% lower. The poverty rate stands at 18.1%. This is 70% higher than the state poverty rate of 10.6%. The unemployment rate is 5.9%. This is 60% higher than the state rate of 3.7%. The median home value is $205,400. Housing costs are 45% lower than the state median of $376,000. The home-value-to-income ratio is 3.9x. 68.6% of occupied housing units are owner-occupied. This homeownership rate is 5% lower than the state average of 72.4%.
Race & Ethnicity
St. Maries city has a predominantly White (non-Hispanic) population, comprising 95.4% of all residents. Hispanic or Latino residents account for 1.9%. The Black or African American population (0.1%) is well below the state average of 0.7%. The Hispanic or Latino population (1.9%) is well below the state average of 13.3%.
Education
21.8% of residents aged 25 and older hold a bachelor's degree or higher. This is 30% lower than the state rate of 31.2%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 90.4%.
Data Sources & Methodology
All demographic data for St. Maries city, Idaho 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 Idaho state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 234 Census-designated places in Idaho. For official data, visit data.census.gov.
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Frequently Asked Questions
What is the population of St. Maries city, Idaho?
St. Maries city, Idaho has a population of 3,032 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in St. Maries city, ID?
The median household income in St. Maries city is $52,468, which is 33% lower the national median of $78,538.
What is the poverty rate in St. Maries city, ID?
The poverty rate in St. Maries city is 18.1%. This means approximately 530 residents live below the federal poverty line.
What is the racial makeup of St. Maries city, Idaho?
St. Maries city's population is 95.4% White, 0.1% Black, 1.9% Hispanic/Latino, and 0.0% Asian.
What is the median home value in St. Maries city, ID?
The median home value in St. Maries city is $205,400. The home-value-to-income ratio is 3.9x.
How educated is St. Maries city, Idaho?
21.8% of adults (25+) in St. Maries city hold a bachelor's degree or higher, and 5.4% hold a graduate or professional degree.