District
IA-1
IA-1 · Iowa
Explore ZIP codes in U.S. House district IA-1 — in Iowa — 219 ZIP codes — 800,065 residents. Population, income, and housing at a glance.
ZIP codes
219
Population
800,065
State
Iowa
Median household income (avg.)
$75,613
Average home value
$181,403
Where is congressional district IA-1?
Congressional District IA-1 includes 219 indexable ZIP codes in Iowa on US5, with a combined ZIP-area population of about 800,065.
Larger population clusters inside this district include Davenport, IA, Iowa City, IA, Bettendorf, IA, Muscatine, IA, and Burlington, IA. Open any ZIP below for full demographics, housing, schools, and nearby services.
The most populous ZIP currently listed for IA-1 is 52722 (about 40,878 residents).
Income and housing in IA-1
Across ZIPs with income data in IA-1, the average median household income is about $75,613 — about even with the U.S. median ($75,149).
Average median home value across those ZIPs is about $181,403.
On this page’s income ranking, ZIP 50001 is near the top at about $131,350.
What is a U.S. House district?
Congressional districts are the geographic units that elect members of the U.S. House of Representatives. District IA-1 is one of Iowa's seats in the House; boundaries are redrawn after each decennial Census.
District lines are not the same as ZIP codes, cities, counties, area codes, or TV markets. A single ZIP can touch more than one district at the edges, and US5 maps each published ZIP to a primary district code for browseability.
How to use this IA-1 page
US5 joins published ZIP profiles to congressional district codes so you can scan the district as a list of postal codes with population, income, and housing — then open any ZIP for maps, schools, commute, and climate context.
This is a place-based research view, not a voter roll, campaign tool, or live election results feed. Counts can change when geography publishes update.
ZIP codes in IA-1
| ZIP | City | County | State | Population | Income | Home value |
|---|---|---|---|---|---|---|
| 52220 | Conroy | Iowa County | IA | 128 | $60,625 | $171,900 |
| 52774 | Welton | Clinton County | IA | 123 | $78,750 | $115,200 |
| 52701 | Andover | Clinton County | IA | 120 | — | $115,000 |
| 50241 | St. Marys | Warren County | IA | 112 | $78,750 | $168,800 |
| 50145 | — | Warren County | IA | 108 | $82,708 | $232,700 |
| 50137 | — | Jasper County | IA | 107 | $63,750 | $164,600 |
| 50104 | Gibson | Keokuk County | IA | 99 | $57,083 | $191,700 |
| 52652 | Swedesburg | Henry County | IA | 87 | $72,083 | $170,800 |
| 52588 | — | Van Buren County | IA | 83 | $13,798 | — |
| 52631 | Houghton | Lee County | IA | 76 | $104,375 | $237,500 |
| 52647 | Olds | Henry County | IA | 75 | $48,500 | $137,500 |
| 52568 | Martinsburg | Keokuk County | IA | 73 | $40,000 | — |
| 52771 | — | Clinton County | IA | 69 | $61,042 | — |
| 52657 | St. Paul | Lee County | IA | 68 | $81,250 | $158,300 |
| 52562 | Hayesville | Keokuk County | IA | 62 | $43,750 | $57,800 |
| 52307 | Middle Amana | Iowa County | IA | 57 | $43,259 | — |
| 52312 | Morley | Jones County | IA | 43 | $48,750 | $76,900 |
| 50255 | Thornburg | Keokuk County | IA | 40 | $39,643 | — |
| 50127 | — | Jasper County | IA | — | — | — |
Frequently asked questions
Where is congressional district IA-1?
District IA-1 is a U.S. House district in Iowa. On US5 it is linked to ZIP codes covering about 800,065 combined ZIP-area residents across 219 codes. Browse the ZIP table on this page for cities and counties.
How many ZIP codes are in district IA-1?
US5 currently lists 219 indexable ZIP codes for congressional district IA-1. Counts can change as geography publishes update.
What is the average income in district IA-1?
The average of ZIP median household incomes in IA-1 is about $75,613 (about even with the U.S. median ($75,149)). Individual neighborhoods vary — sort the ZIP table by income to compare.
Is a congressional district the same as a ZIP code or county?
No. House districts are drawn for representation and often cut across cities and counties. ZIP codes are postal geography. US5 links each published ZIP to a primary district code so you can browse demographics by seat.
How does US5 map ZIPs to district IA-1?
US5 joins each published ZIP profile to a congressional district code from the spatial dictionary. This page lists indexable ZIPs with that code so you can move from the district overview into local demographics.
What cities are in district IA-1?
Larger population clusters on US5 for IA-1 include Davenport, IA, Iowa City, IA, Bettendorf, IA, Muscatine, IA, and Burlington, IA. Open linked ZIP pages for neighborhood-level demographics.