Gray Summit, MO ZIP code
The ZIP code for Gray Summit, Missouri is 63039. It is in Franklin County.
- Population in these ZIPs
- 986
- Avg. median income
- $70,300population-weighted
- Typical home value
- $231,900population-weighted
- Metro area
- St. Louis, MO-IL
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Gray Summit, MO ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 63039 | 986 | $70,329 | $231,900 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities near Gray Summit
- Labadie 3 mi
- Villa Ridge 3 mi
- Pacific 7 mi
- Saint Albans 8 mi
- Augusta 8 mi
- Catawissa 8 mi
- Robertsville 9 mi
- Union 11 mi
- Glencoe 11 mi
- Washington 11 mi
- Defiance 12 mi
- Eureka 12 mi
Frequently asked questions
What is the ZIP code for Gray Summit, MO?
The ZIP code for Gray Summit, MO is 63039.
What county is Gray Summit, Missouri in?
Gray Summit ZIP codes are in Franklin County.