Nortonville, Kansas Demographics & Population 2026

A note before these figures: with a population of 715, Nortonville'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

Nortonville is a small community located in Kansas, within Jefferson County. The total population is 715. It ranks as the 255th most populous out of 721 Census-designated places in Kansas.

Age Demographics

The median age in Nortonville is 35.6 years. This is 5% lower than the state median of 37.4 years. With 28.8% of the population under 18, Nortonville has a notably young demographic profile, suggesting a family-oriented community.

Economy, Income & Housing

The median household income in Nortonville is $58,571. This is 21% lower than the state median of $74,275. It is also 27% lower than the national median of $80,734. The poverty rate stands at 18.6%. This is 65% higher than the state poverty rate of 11.3%. The survey records no unemployed residents in Nortonville, which reflects the size of the sample rather than a labor market without joblessness. The median home value is $102,000. Housing costs are 53% lower than the state median of $217,200. With a home-value-to-income ratio of just 1.7x, Nortonville is one of the most affordable housing markets in the area. 72.3% of occupied housing units are owner-occupied. This homeownership rate is 8% higher than the state average of 67.2%.

Race & Ethnicity

Nortonville has a predominantly White (non-Hispanic) population, comprising 95.9% of all residents. Hispanic or Latino residents account for 0.7%. The Hispanic or Latino population (0.7%) is well below the state average of 13.6%.

Education

18.3% of residents aged 25 and older hold a bachelor's degree or higher. This is 49% lower than the state rate of 35.6%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 93.4%.

Data Sources & Methodology

All demographic data for Nortonville, Kansas 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 Kansas state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 721 Census-designated places in Kansas. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.