Cromwell, Minnesota Demographics & Population 2026

A note before these figures: with a population of 423, Cromwell'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

Cromwell is a small community located in Minnesota, within Carlton County. The total population is 423. It ranks as the 536th most populous out of 914 Census-designated places in Minnesota.

Age Demographics

The median age in Cromwell is 34.6 years. This is 11% lower than the state median of 38.8 years. With 33.8% of the population under 18, Cromwell has a notably young demographic profile, suggesting a family-oriented community. 17.7% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.

Economy, Income & Housing

The median household income in Cromwell is $58,750. This is 34% lower than the state median of $89,062. It is also 27% lower than the national median of $80,734. The poverty rate stands at 6.1%. This is 34% lower than the state poverty rate of 9.3%. The survey records no unemployed residents in Cromwell, which reflects the size of the sample rather than a labor market without joblessness. The median home value is $156,300. Housing costs are 53% lower than the state median of $329,300. With a home-value-to-income ratio of just 2.7x, Cromwell is one of the most affordable housing markets in the area. 58.3% of occupied housing units are owner-occupied. This homeownership rate is 19% lower than the state average of 72.2%.

Race & Ethnicity

Cromwell has a predominantly White (non-Hispanic) population, comprising 96.7% of all residents. Black or African American residents account for 2.4%. The Black or African American population (2.4%) is well below the state average of 7.0%.

Education

19.0% of residents aged 25 and older hold a bachelor's degree or higher. This is 52% 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 85.9%.

Data Sources & Methodology

All demographic data for Cromwell, Minnesota 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 Minnesota state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 914 Census-designated places in Minnesota. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.