Dupo, IL ZIP Codes
2 ZIP codes serve Dupo, Illinois: 62239 and 62240. Together they are home to 6,028 residents in 2,298 households. That is more than the 3,879 people counted inside Dupo village limits, because these ZIP codes reach past its boundary. Median household income ranges from $61,191 in 62239 to $96,063 in 62240.
Dupo village limits (Census)
| Measure | Census figure |
|---|---|
| Residents | 3,879 |
| Households | 1,598 |
| Median household income | $61,644 |
| Median home value | $113,800 |
| Median age | 42.9 |
| Median rent | $912 |
All 2 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 6,028 |
| Households (sum of ZIP codes) | 2,298 |
| Median household income, range across ZIP codes | $61,191 (62239) to $96,063 (62240) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $69,310 |
| Homeowners | 71.9% |
| Households with kids under 18 | 34.3% |
| Moved in the past year | 22.3% |
| Carrier routes in EDDM2GO's route library | 1 routes, 675 homes (1 of 2 ZIP codes) |
Top facts
- Highest median household income in Dupo: 62240 ($96,063)
- Most residents: 62239 (4,232 people)
- Highest homeownership: 62240 (87.9% own their home)
- Most households with kids: 62240 (36.3% of households)
- Most new movers: 62240 (42.2% moved in last year)
- Youngest median age: 62240 (30.1 years)
- Highest median home value: 62239 ($111,400)
Every ZIP code in Dupo
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 62239 | Dupo | 4,232 | 1,763 | $61,191 | $111,400 | 67.1% | 33.7% | 13.9% | — | — | 44% of its land; mailing city |
| 62240 | East Carondelet | 1,796 | 535 | $96,063 | $89,400 | 87.9% | 36.3% | 42.2% | 1 | 690 | 13% of its land |
A ZIP code is listed for Dupo when at least 10% of its land lies inside Dupo village limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Dupo. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Dupo.
Counties
- St. Clair County — 31 ZIP codes
- Monroe County — 9 ZIP codes
Price a mailing to Dupo ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Dupo, IL?
- 62239 and 62240. A ZIP code is listed for Dupo when at least 10% of its land lies inside Dupo village limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Dupo.
- What is the population of Dupo, IL?
- The Census Bureau counts 3,879 residents inside Dupo village limits (ACS 2020–2024). The 2 ZIP codes that serve Dupo hold 6,028 residents in all.
- What is the median household income in Dupo, IL?
- $61,644 inside Dupo village limits, per the Census Bureau. Across its ZIP codes the medians run from $61,191 to $96,063.
- Which Dupo ZIP code has the highest median household income?
- 62240, at $96,063, among ZIP codes with at least 1,000 residents.
- How many carrier routes and mailboxes are in Dupo, IL?
- For the 1 of 2 ZIP codes in EDDM2GO's stored route library: 1 carrier routes reaching 675 residential and 15 business mailboxes. The route map loads the rest when you search them.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.