Arco, Minnesota Demographics & Population 2026

A note before these figures: with a population of 66, Arco'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

Arco is a small community located in Minnesota, within Lincoln County. The total population is 66. It ranks as the 841st most populous out of 914 Census-designated places in Minnesota.

Age Demographics

The median age in Arco is 62.5 years. This is 61% higher than the state median of 38.8 years. Only 9.1% of residents are under 18, indicating fewer families with children.

Economy, Income & Housing

The median household income in Arco is $63,333. This is 29% lower than the state median of $89,062. It is also 22% lower than the national median of $80,734. The poverty rate stands at 15.2%. This is 63% higher than the state poverty rate of 9.3%. The survey records no unemployed residents in Arco, which reflects the size of the sample rather than a labor market without joblessness. The median home value is $82,000. Housing costs are 75% lower than the state median of $329,300. With a home-value-to-income ratio of just 1.3x, Arco is one of the most affordable housing markets in the area. 83.3% of occupied housing units are owner-occupied. This homeownership rate is 15% higher than the state average of 72.2%.

Race & Ethnicity

Every resident counted in Arco was recorded as White (non-Hispanic). A figure of exactly 100.0% reflects a survey sample too small to capture the community's full composition rather than a precise measurement.

Education

5.2% of residents aged 25 and older hold a bachelor's degree or higher. This is among the lowest rates in the state, which may correlate with employment and income patterns. This is 87% 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 93.1%.

Data Sources & Methodology

All demographic data for Arco, 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.