Dunkerton, Iowa Demographics & Population 2026

A note before these figures: with a population of 821, Dunkerton'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

Dunkerton is a small community located in Iowa, within Black Hawk County. The total population is 821. It ranks as the 341st most populous out of 1,017 Census-designated places in Iowa.

Age Demographics

The median age in Dunkerton is 39.5 years. This is 2% higher than the state median of 38.6 years. With 28.6% of the population under 18, Dunkerton has a notably young demographic profile, suggesting a family-oriented community.

Economy, Income & Housing

The median household income in Dunkerton is $86,413. This is 15% higher than the state median of $75,059. It is also 7% higher than the national median of $80,734. The poverty rate stands at 7.0%. This is 37% lower than the state poverty rate of 11.1%. The survey records no unemployed residents in Dunkerton, which reflects the size of the sample rather than a labor market without joblessness. The median home value is $189,700. Housing costs are 9% lower than the state median of $208,000. With a home-value-to-income ratio of just 2.2x, Dunkerton is one of the most affordable housing markets in the area. 84.6% of occupied housing units are owner-occupied. This homeownership rate is 18% higher than the state average of 71.7%.

Race & Ethnicity

Dunkerton has a predominantly White (non-Hispanic) population, comprising 94.4% of all residents. Hispanic or Latino residents account for 1.0%. The Black or African American population (0.5%) is well below the state average of 3.8%. The Hispanic or Latino population (1.0%) is well below the state average of 7.3%. The Asian population (0.2%) is well below the state average of 2.5%.

Education

18.4% of residents aged 25 and older hold a bachelor's degree or higher. This is 41% lower than the state rate of 31.4%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 97.8%.

Data Sources & Methodology

All demographic data for Dunkerton, Iowa 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 Iowa state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,017 Census-designated places in Iowa. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.