St. Joseph, KY ZIP Codes
2 ZIP codes serve St. Joseph, Kentucky: 42301 and 42356. Together they are home to 45,577 residents in 18,381 households. That is more than the 144 people counted inside St. Joseph Census-designated place, because these ZIP codes reach past its boundary.
St. Joseph Census-designated place
| Measure | Census figure |
|---|---|
| Residents | 144 |
| Households | 12 |
| Median household income | not published |
| Median home value | not published |
| Median age | 69.4 |
| Median rent | not published |
All 2 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 45,577 |
| Households (sum of ZIP codes) | 18,381 |
| Median household income, range across ZIP codes | $66,885 (42301) to $66,885 (42301) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $66,885 |
| Homeowners | 63.0% |
| Households with kids under 18 | 33.2% |
| Moved in the past year | 12.5% |
| Carrier routes in EDDM2GO's route library | 36 routes, 19,445 homes (1 of 2 ZIP codes) |
Every ZIP code in St. Joseph
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 42301 | Owensboro | 45,445 | 18,381 | $66,885 | $198,200 | 63.0% | 33.2% | 12.5% | 36 | 20,746 | 0% of its land |
| 42356 | St. Joseph | 132 | 0 | — | — | — | — | 0.0% | — | — | 100% of its land; mailing city |
A ZIP code is listed for St. Joseph when at least 10% of its land lies inside the St. Joseph Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is St. Joseph. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside St. Joseph.
Counties
- Daviess County — 9 ZIP codes
Nearby cities sharing these ZIP codes
- Owensboro — 2 ZIP codes
Price a mailing to St. Joseph ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in St. Joseph, KY?
- 42301 and 42356. A ZIP code is listed for St.
- What is the population of St. Joseph, KY?
- The Census Bureau counts 144 residents inside St. Joseph Census-designated place (ACS 2020–2024). The 2 ZIP codes that serve St. Joseph hold 45,577 residents in all.
- What is the median household income in St. Joseph, KY?
- Across its ZIP codes the medians run from $66,885 to $66,885.
- How many carrier routes and mailboxes are in St. Joseph, KY?
- For the 1 of 2 ZIP codes in EDDM2GO's stored route library: 36 carrier routes reaching 19,445 residential and 1,303 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.