Kaskaskia, IL ZIP Codes
One ZIP code serves Kaskaskia, Illinois: 63673. Together they are home to 2,340 residents in 892 households. That is more than the 38 people counted inside Kaskaskia village limits, because these ZIP codes reach past its boundary.
Kaskaskia village limits (Census)
| Measure | Census figure |
|---|---|
| Residents | 38 |
| Households | 9 |
| Median household income | $150,313 |
| Median home value | $145,800 |
| Median age | 16 |
| Median rent | not published |
All 1 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 2,340 |
| Households (sum of ZIP codes) | 892 |
| Median household income, range across ZIP codes | $77,931 (63673) to $77,931 (63673) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $77,931 |
| Homeowners | 76.9% |
| Households with kids under 18 | 37.2% |
| Moved in the past year | 12.6% |
| Carrier routes in EDDM2GO's route library | 2 routes, 878 homes (1 of 1 ZIP codes) |
Every ZIP code in Kaskaskia
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 63673 | Saint Mary | 2,340 | 892 | $77,931 | $235,900 | 76.9% | 37.2% | 12.6% | 2 | 899 | 0% of its land |
A ZIP code is listed for Kaskaskia when at least 10% of its land lies inside Kaskaskia village limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Kaskaskia. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Kaskaskia.
Counties
- Randolph County — 16 ZIP codes
Price a mailing to Kaskaskia ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Kaskaskia, IL?
- 63673. A ZIP code is listed for Kaskaskia when at least 10% of its land lies inside Kaskaskia village limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Kaskaskia.
- What is the population of Kaskaskia, IL?
- The Census Bureau counts 38 residents inside Kaskaskia village limits (ACS 2020–2024). The 1 ZIP code that serve Kaskaskia hold 2,340 residents in all.
- What is the median household income in Kaskaskia, IL?
- $150,313 inside Kaskaskia village limits, per the Census Bureau. Across its ZIP codes the medians run from $77,931 to $77,931.
- How many carrier routes and mailboxes are in Kaskaskia, IL?
- For the 1 of 1 ZIP codes in EDDM2GO's stored route library: 2 carrier routes reaching 878 residential and 21 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.