Polk County, Minnesota Demographics 2026
Polk County, Minnesota has a population of 30,705, the 35th most populous county in Minnesota. The median household income is $73,107 and the median home value is $222,800. The poverty rate is 11.9%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Polk County Quick Facts
How Polk County Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 30,905 | 30,705 | -0.6% |
| Median household income | $69,136 | $73,107 | +5.7% |
| Median home value | $211,100 | $222,800 | +5.5% |
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
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: 41 | National average: 61
Education
Educational Attainment (Adults 25+)
Cities & Places in Polk County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| East Grand Forks | 9,028 | $77,549 | 12.4% | $255,600 |
| Crookston | 7,344 | $57,315 | 15.6% | $185,600 |
| Fosston | 1,374 | $52,500 | 25.6% | $151,700 |
| McIntosh | 847 | $56,944 | 21.7% | $103,600 |
| Fertile | 803 | $67,125 | 8.7% | $129,500 |
| Erskine | 427 | $44,844 | 9.4% | $117,100 |
| Fisher | 396 | $93,542 | 5.8% | $179,000 |
| Climax | 209 | $50,500 | 16.3% | $113,600 |
| Winger | 157 | $48,229 | 6.4% | $91,300 |
| Mentor | 131 | $41,667 | 10.7% | $80,700 |
| Nielsville | 102 | $32,500 | 53.9% | $37,000 |
| Beltrami | 72 | $78,125 | 20.8% | $85,000 |
| Gully | 53 | $40,735 | 25.5% | N/A |
| Lengby | 43 | $50,833 | 44.2% | $60,000 |
| Trail | 16 | $60,000 | 0.0% | $32,500 |
Explore Minnesota Rankings
Population Overview
Polk County is located in Minnesota with a total population of 30,705. It is the 35th most populous county out of 87 in Minnesota. The county encompasses 15 Census-designated places.
Age Demographics
The median age in Polk County is 39.8 years. This is 3% higher than the state median of 38.8 years.
Economy, Income & Housing
The median household income in Polk County is $73,107. This is 18% lower than the state median of $89,062. It is also 9% lower than the national median of $80,734. The poverty rate stands at 11.9%. This is 28% higher than the state poverty rate of 9.3%. The unemployment rate is 3.6%. This is 12% lower than the state rate of 4.1%. The median home value is $222,800. Housing costs are 32% lower than the state median of $329,300. The home-value-to-income ratio is 3.0x. 71.3% of occupied housing units are owner-occupied. This homeownership rate is 1% lower than the state average of 72.2%.
Race & Ethnicity
The largest racial or ethnic group in Polk County is White (non-Hispanic), making up 84.0% of the population. Hispanic or Latino residents account for 6.9%. The Black or African American population (2.0%) is well below the state average of 7.0%. The Asian population (0.8%) is well below the state average of 5.1%.
Education
28.0% of residents aged 25 and older hold a bachelor's degree or higher. This is 29% lower than the state rate of 39.4%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 93.8%.
Data Sources & Methodology
All figures for Polk County come from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates, with comparisons drawn against Minnesota and national averages from the same dataset. See our methodology page for how each metric is defined, or data.census.gov for official tables with margins of error.
Frequently Asked Questions
What is the population of Polk County, Minnesota?
Polk County has a population of 30,705, making it the 35th most populous county in Minnesota.
What is the median income in Polk County?
The median household income in Polk County is $73,107 with a poverty rate of 11.9%.
How many cities are in Polk County, Minnesota?
Polk County contains 15 Census-designated places.