Mercer, North Dakota Demographics & Population 2026

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

Mercer is a small community located in North Dakota, within McLean County. The total population is 66. It ranks as the 280th most populous out of 402 Census-designated places in North Dakota.

Age Demographics

The median age in Mercer is 58.8 years. This is 64% higher than the state median of 35.9 years. 16.7% 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 Mercer is $46,429. This is 39% lower than the state median of $76,657. It is also 42% lower than the national median of $80,734. The poverty rate stands at 34.8%. This is 222% higher than the state poverty rate of 10.8%. With more than one in five residents living below the poverty line, economic hardship is a significant challenge for the community. The unemployment rate is 17.6%. This is 539% higher than the state rate of 2.8%. The median home value is $84,300. Housing costs are 66% lower than the state median of $249,900. With a home-value-to-income ratio of just 1.8x, Mercer is one of the most affordable housing markets in the area. 100.0% of occupied housing units are owner-occupied. This homeownership rate is 59% higher than the state average of 62.8%.

Race & Ethnicity

Every resident counted in Mercer 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

29.7% of residents aged 25 and older hold a bachelor's degree or higher. This is 9% lower than the state rate of 32.7%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 82.8%.

Data Sources & Methodology

All demographic data for Mercer, North Dakota 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 North Dakota state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 402 Census-designated places in North Dakota. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.