Clontarf, Minnesota Demographics & Population 2026

A note before these figures: with a population of 45, Clontarf'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

Clontarf is a small community located in Minnesota, within Swift County. The total population is 45. It ranks as the 864th most populous out of 914 Census-designated places in Minnesota.

Age Demographics

The median age in Clontarf is 56.8 years. This is 46% higher than the state median of 38.8 years. Only 11.1% of residents are under 18, indicating fewer families with children.

Economy, Income & Housing

The median household income in Clontarf is $86,250. This is 3% lower than the state median of $89,062. It is also 7% higher than the national median of $80,734. The ACS records no residents below the poverty line in Clontarf. In a community this small the estimate rests on very few survey responses, so it should be read as an absence of measurement rather than a measured absence of poverty. The survey records no unemployed residents in Clontarf, which reflects the size of the sample rather than a labor market without joblessness. The median home value is $128,100. Housing costs are 61% lower than the state median of $329,300. With a home-value-to-income ratio of just 1.5x, Clontarf is one of the most affordable housing markets in the area. 90.5% of occupied housing units are owner-occupied. This homeownership rate is 25% higher than the state average of 72.2%.

Race & Ethnicity

Clontarf has a predominantly White (non-Hispanic) population, comprising 93.3% of all residents.

Education

18.4% of residents aged 25 and older hold a bachelor's degree or higher. This is 53% 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 97.4%.

Data Sources & Methodology

All demographic data for Clontarf, 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.