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.
Iowa's 4th Congressional District stands apart on settlement density — it is among the most sparsely settled of US congressional districts, at roughly 37 people per square mile. Iowa's 4th Congressional District is a congressional district in Iowa with a population of 795,592.
Household earnings are middling, with a median of $70,703 — below the US median of $78,538. About 7.0% of residents live below the federal poverty level, below the national 12.4%. Real estate is inexpensive, with a typical home worth only $172,300, with typical rent around $879.
Degree attainment is on the lower side for US congressional districts: 26.3% of adults hold a bachelor’s degree, below the national 35.0%.
Source: U.S. Census Bureau ACS, 2026.