Illinois City, IL ZIP Codes
One ZIP code serves Illinois City, Illinois: 61259. Together they are home to 1,053 residents in 480 households. That is more than the 73 people counted inside Illinois City Census-designated place, because these ZIP codes reach past its boundary.
Illinois City Census-designated place
| Measure | Census figure |
|---|---|
| Residents | 73 |
| Households | 32 |
| Median household income | not published |
| Median home value | not published |
| Median age | 25.5 |
| Median rent | not published |
All 1 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 1,053 |
| Households (sum of ZIP codes) | 480 |
| Median household income, range across ZIP codes | $91,458 (61259) to $91,458 (61259) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $91,458 |
| Homeowners | 91.5% |
| Households with kids under 18 | 22.3% |
| Moved in the past year | 0.5% |
| Carrier routes in EDDM2GO's route library | not loaded yet |
Every ZIP code in Illinois City
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 61259 | Illinois City | 1,053 | 480 | $91,458 | $201,100 | 91.5% | 22.3% | 0.5% | — | — | 1% of its land; mailing city |
A ZIP code is listed for Illinois City when at least 10% of its land lies inside the Illinois City Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Illinois City. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Illinois City.
Counties
- Rock Island County — 20 ZIP codes
Price a mailing to Illinois City ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Illinois City, IL?
- 61259. A ZIP code is listed for Illinois City when at least 10% of its land lies inside the Illinois City Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Illinois City.
- What is the population of Illinois City, IL?
- The Census Bureau counts 73 residents inside Illinois City Census-designated place (ACS 2020–2024). The 1 ZIP code that serve Illinois City hold 1,053 residents in all.
- What is the median household income in Illinois City, IL?
- Across its ZIP codes the medians run from $91,458 to $91,458.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.