Potosi, MO ZIP Codes
2 ZIP codes serve Potosi, Missouri: 63664 and 63660. Together they are home to 12,477 residents in 4,378 households. That is more than the 2,544 people counted inside Potosi city limits, because these ZIP codes reach past its boundary. Median household income ranges from $51,410 in 63660 to $61,216 in 63664.
Potosi city limits (Census)
| Measure | Census figure |
|---|---|
| Residents | 2,544 |
| Households | 1,059 |
| Median household income | $39,846 |
| Median home value | $110,100 |
| Median age | 34.7 |
| Median rent | $788 |
All 2 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 12,477 |
| Households (sum of ZIP codes) | 4,378 |
| Median household income, range across ZIP codes | $51,410 (63660) to $61,216 (63664) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $59,603 |
| Homeowners | 76.3% |
| Households with kids under 18 | 30.2% |
| Moved in the past year | 10.0% |
| Carrier routes in EDDM2GO's route library | 10 routes, 5,112 homes (2 of 2 ZIP codes) |
Top facts
- Highest median household income in Potosi: 63664 ($61,216)
- Most residents: 63664 (9,693 people)
- Highest homeownership: 63660 (91.9% own their home)
- Most households with kids: 63664 (30.8% of households)
- Most new movers: 63660 (15.7% moved in last year)
- Youngest median age: 63664 (36.9 years)
- Highest median home value: 63664 ($125,100)
Every ZIP code in Potosi
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 63664 | Potosi | 9,693 | 3,658 | $61,216 | $125,100 | 73.2% | 30.8% | 8.3% | 8 | 4,184 | 1% of its land; mailing city |
| 63660 | Mineral Point | 2,784 | 720 | $51,410 | $119,700 | 91.9% | 26.9% | 15.7% | 2 | 1,297 | 1% of its land |
A ZIP code is listed for Potosi when at least 10% of its land lies inside Potosi city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Potosi. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Potosi.
Counties
- Washington County — 14 ZIP codes
Price a mailing to Potosi ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Potosi, MO?
- 63664 and 63660. A ZIP code is listed for Potosi when at least 10% of its land lies inside Potosi city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Potosi.
- What is the population of Potosi, MO?
- The Census Bureau counts 2,544 residents inside Potosi city limits (ACS 2020–2024). The 2 ZIP codes that serve Potosi hold 12,477 residents in all.
- What is the median household income in Potosi, MO?
- $39,846 inside Potosi city limits, per the Census Bureau. Across its ZIP codes the medians run from $51,410 to $61,216.
- Which Potosi ZIP code has the highest median household income?
- 63664, at $61,216, among ZIP codes with at least 1,000 residents.
- How many carrier routes and mailboxes are in Potosi, MO?
- For the 2 of 2 ZIP codes in EDDM2GO's stored route library: 10 carrier routes reaching 5,112 residential and 368 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.