Garrison city, Iowa Demographics & Population 2026

Population Overview

Garrison city is a small community located in Iowa. The total population is 292. It ranks as the 614th most populous out of 1,018 cities and towns in Iowa.

Age Demographics

The median age in Garrison city is 40.3 years. This is 4% higher than the state median of 38.6 years.

Economy, Income & Housing

The median household income in Garrison city is $57,083. This is 22% lower than the state median of $73,147. Compared to the national median of $78,538, household income here is 27% lower. The poverty rate stands at 17.5%. This is 59% higher than the state poverty rate of 11.0%. The unemployment rate is 2.1%. This is 43% lower than the state rate of 3.6%. The median home value is $65,000. Housing costs are 67% lower than the state median of $195,900. With a home-value-to-income ratio of just 1.1x, Garrison city is one of the most affordable housing markets in the area. 73.5% of occupied housing units are owner-occupied. This homeownership rate is 3% higher than the state average of 71.5%.

Race & Ethnicity

Garrison city has a predominantly White (non-Hispanic) population, comprising 95.9% of all residents. Hispanic or Latino residents account for 2.1%. The Black or African American population (0.3%) is well below the state average of 3.8%. The Hispanic or Latino population (2.1%) is well below the state average of 7.0%. The Asian population (1.0%) is well below the state average of 2.4%.

Education

6.7% of residents aged 25 and older hold a bachelor's degree or higher. This is 78% 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 88.5%.

Data Sources & Methodology

All demographic data for Garrison 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.