Big Rock CDP, Iowa Demographics & Population 2026

Population Overview

Big Rock CDP is a small community located in Iowa. The total population is 12. It ranks as the 1009th most populous out of 1,018 cities and towns in Iowa.

Age Demographics

The median age in Big Rock CDP is 62.1 years. This is 61% higher than the state median of 38.6 years. Only 0.0% of residents are under 18, indicating fewer families with children.

Economy, Income & Housing

The poverty rate stands at 0.0%. This is 100% lower than the state poverty rate of 11.0%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The unemployment rate is 0.0%. This is 100% lower than the state rate of 3.6%. 30.0% of occupied housing units are owner-occupied. This homeownership rate is 58% lower than the state average of 71.5%.

Race & Ethnicity

Big Rock CDP has a predominantly White (non-Hispanic) population, comprising 100.0% of all residents.

Education

16.7% of residents aged 25 and older hold a bachelor's degree or higher. This is 46% 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 100.0%.

Data Sources & Methodology

All demographic data for Big Rock CDP, 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.