119th Congress · IA-4
Iowa's 4th Congressional District
Iowa's 4th Congressional District (IA-4) has a population of 795,592. The median household income is $70,703 and the median age is 38.7.
795,592
Population
37
People / sq mi
$70,703
Median Income
38.7
Median Age
IA-4 covers 21,433 sq mi of land at 37.1 people per square mile.
Race & Ethnicity
| White | 85.8% |
| Black or African American | 1.9% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.4% |
Economy & Income
$70,703
Median Household Income
$36,830
Per Capita Income
7.0%
Poverty Rate
2.2%
Unemployment
Housing
$172,300
Median Home Value
$879
Median Rent
72.0%
Homeownership
Education
91.8%
High School+
26.3%
Bachelor's+
Other Iowa Congressional Districts
Largest cities in Iowa
Largest counties in Iowa
State rankings
Frequently Asked Questions
Iowa's 4th Congressional District (IA-4) has a population of 795,592 according to the latest Census ACS 5-Year estimates. Each US Congressional District is drawn to be roughly equal in population (~760K people).
The median household income in Iowa's 4th Congressional District is $70,703, with a per capita income of $36,830.
Iowa's 4th Congressional District is 85.8% White, 1.9% Black, 0.0% Asian, and 1.4% Hispanic or Latino, per Census ACS data.
More from Iowa
Data for Iowa's 4th Congressional District (119th Congress) from the American Community Survey 5-Year estimates. Land area from the Census Gazetteer files. Congressional districts are redrawn after each decennial Census; the 119th Congress (current) uses post-2020 boundaries.
this entity is one of the data points covered by this site’s U.S. population demographics dataset. The detail above comes directly from the U.S. Census Bureau ACS and decennial files; the context that follows situates the headline numbers against the broader distribution across U.S. states, metros, cities, and ZIPs.
The methodology behind every numeric value on this page is publicly documented on the the U.S. Census Bureau ACS and decennial files portal and described in detail on this site’s methodology page. Refresh cadence varies by underlying series; the page surfaces the as-of date for each number so readers can trace any figure back to the source release.
For readers using this page as a decision input, the related-entity pages elsewhere on the site provide the comparison set. The most useful comparison for this entity is typically a peer within U.S. states, metros, cities, and ZIPs with similar size, similar exposure, or similar geography — not the national-level summary alone.
Source: U.S. Census Bureau ACS, 2026.