Cumming, Iowa Demographics & Population 2026

A note before these figures: with a population of 545, Cumming'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

Cumming is a small community located in Iowa, within Warren County. The total population is 545. It ranks as the 449th most populous out of 1,017 Census-designated places in Iowa.

Age Demographics

The median age in Cumming is 42.2 years. This is 9% higher than the state median of 38.6 years.

Economy, Income & Housing

The median household income in Cumming is $162,875. This is 117% higher than the state median of $75,059. It is also 102% higher than the national median of $80,734. The poverty rate stands at 4.4%. This is 60% lower than the state poverty rate of 11.1%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The survey records no unemployed residents in Cumming, which reflects the size of the sample rather than a labor market without joblessness. The median home value is $508,000. Housing costs are 144% higher than the state median of $208,000. The home-value-to-income ratio is 3.1x. 87.6% of occupied housing units are owner-occupied. This homeownership rate is 22% higher than the state average of 71.7%.

Race & Ethnicity

Cumming has a predominantly White (non-Hispanic) population, comprising 92.1% of all residents. Black or African American residents account for 2.0%. The Hispanic or Latino population (1.8%) is well below the state average of 7.3%. The Asian population (0.9%) is well below the state average of 2.5%.

Education

59.0% of residents aged 25 and older hold a bachelor's degree or higher. This places Cumming in the top 10% of all cities in the state for educational attainment. This is 88% higher 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 99.4%. Notably, 16.1% of adults hold a graduate or professional degree, indicating a highly educated workforce.

Data Sources & Methodology

All demographic data for Cumming, 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.