District
IL-1
IL-1 · Illinois
Explore ZIP codes in U.S. House district IL-1 — in Illinois — 24 ZIP codes — 688,590 residents. Population, income, and housing at a glance.
ZIP codes
24
Population
688,590
State
Illinois
Median household income (avg.)
$83,341
Average home value
$258,300
Where is congressional district IL-1?
Congressional District IL-1 includes 24 indexable ZIP codes in Illinois on US5, with a combined ZIP-area population of about 688,590.
Larger population clusters inside this district include Chicago, IL, New Lenox, IL, Frankfort, IL, Bourbonnais, IL, and Oak Forest, IL. Open any ZIP below for full demographics, housing, schools, and nearby services.
The most populous ZIP currently listed for IL-1 is 60620 (about 66,511 residents).
Income and housing in IL-1
Across ZIPs with income data in IL-1, the average median household income is about $83,341 — about 11% above the U.S. median ($75,149).
Average median home value across those ZIPs is about $258,300.
On this page’s income ranking, ZIP 60423 is near the top at about $137,651.
What is a U.S. House district?
Congressional districts are the geographic units that elect members of the U.S. House of Representatives. District IL-1 is one of Illinois'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 IL-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 IL-1
| ZIP | City | County | State | Population | Income | Home value |
|---|---|---|---|---|---|---|
| 60620 | Chicago | Cook County | IL | 66,511 | $48,805 | $187,900 |
| 60619 | Chicago | Cook County | IL | 59,892 | $43,403 | $213,000 |
| 60628 | Chicago | Cook County | IL | 59,212 | $49,719 | $158,500 |
| 60637 | Chicago | Cook County | IL | 52,418 | $42,080 | $243,700 |
| 60643 | Chicago | Cook County | IL | 47,802 | $83,015 | $233,900 |
| 60615 | Chicago | Cook County | IL | 42,752 | $62,105 | $305,200 |
| 60652 | Chicago | Cook County | IL | 41,431 | $78,559 | $235,000 |
| 60451 | New Lenox | Will County | IL | 37,481 | $132,260 | $373,100 |
| 60653 | Chicago | Cook County | IL | 34,608 | $39,565 | $347,800 |
| 60423 | Frankfort | Will County | IL | 32,813 | $137,651 | $376,500 |
| 60914 | Bourbonnais | Kankakee County | IL | 28,503 | $88,688 | $240,500 |
| 60452 | Oak Forest | Cook County | IL | 26,511 | $89,167 | $249,100 |
| 60406 | Blue Island | Cook County | IL | 24,887 | $59,502 | $166,000 |
| 60448 | Mokena | Will County | IL | 24,630 | $126,483 | $369,700 |
| 60491 | Homer Glen | Will County | IL | 22,585 | $132,788 | $404,800 |
| 60445 | Midlothian | Cook County | IL | 14,445 | $68,385 | $201,700 |
| 60410 | Channahon | Will County | IL | 14,027 | $120,278 | $293,500 |
| 60442 | Manhattan | Will County | IL | 13,467 | $128,307 | $340,100 |
| 60950 | Manteno | Kankakee County | IL | 11,902 | $87,848 | $244,000 |
| 60481 | Wilmington | Will County | IL | 11,277 | $76,398 | $224,800 |
| 60468 | Peotone | Will County | IL | 5,848 | $101,618 | $282,500 |
| 60408 | Braidwood | Will County | IL | 5,332 | $93,914 | $219,800 |
| 60469 | Posen | Cook County | IL | 5,295 | $72,041 | $173,900 |
| 60472 | Robbins | Cook County | IL | 4,961 | $37,594 | $114,200 |
Frequently asked questions
Where is congressional district IL-1?
District IL-1 is a U.S. House district in Illinois. On US5 it is linked to ZIP codes covering about 688,590 combined ZIP-area residents across 24 codes. Browse the ZIP table on this page for cities and counties.
How many ZIP codes are in district IL-1?
US5 currently lists 24 indexable ZIP codes for congressional district IL-1. Counts can change as geography publishes update.
What is the average income in district IL-1?
The average of ZIP median household incomes in IL-1 is about $83,341 (about 11% above 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 IL-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 IL-1?
Larger population clusters on US5 for IL-1 include Chicago, IL, New Lenox, IL, Frankfort, IL, Bourbonnais, IL, and Oak Forest, IL. Open linked ZIP pages for neighborhood-level demographics.