Walnut city, Iowa Demographics & Population 2026

Population Overview

Walnut city is a small community located in Iowa. The total population is 1,339. It ranks as the 234th most populous out of 1,018 cities and towns in Iowa.

Age Demographics

The median age in Walnut city is 66.6 years. This is 73% higher than the state median of 38.6 years. Only 11.9% of residents are under 18, indicating fewer families with children. 33.2% 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 Walnut city is $65,278. This is 11% lower than the state median of $73,147. Compared to the national median of $78,538, household income here is 17% lower. The poverty rate stands at 9.8%. This is 11% lower than the state poverty rate of 11.0%. The unemployment rate is 3.4%. This is 8% lower than the state rate of 3.6%. The median home value is $97,900. Housing costs are 50% lower than the state median of $195,900. With a home-value-to-income ratio of just 1.5x, Walnut city is one of the most affordable housing markets in the area. 72.5% of occupied housing units are owner-occupied. This homeownership rate is 1% higher than the state average of 71.5%.

Race & Ethnicity

Walnut city has a predominantly White (non-Hispanic) population, comprising 95.2% of all residents. Hispanic or Latino residents account for 3.8%. The Black or African American population (0.7%) is well below the state average of 3.8%.

Education

15.8% of residents aged 25 and older hold a bachelor's degree or higher. This is 49% lower than the state rate of 30.9%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 88.6%.

Data Sources & Methodology

All demographic data for Walnut city, Iowa is sourced from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates (2019-2023). The ACS collects data from approximately 3.5 million households annually, providing reliable estimates for communities of all sizes. Comparisons are made against Iowa state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,018 Census-designated places in Iowa. For official data, visit data.census.gov.