Zip Code 65264 — Martinsburg, MO
65264 is a ZIP Code associated with Martinsburg, MO, located within Audrain. 65264 ranks #5 out of 9 ZIP codes in Audrain County by population (and #638 out of 1,035 in MO). The area supports an estimated population of 919 residents across Data Pending housing units, with a population density of 5.7 people per square mile.
WorldPlaceData database updated: October 2026
📍 View location on OpenStreetMap (39.088520, -91.695440)
| Data Metric | Local Statistic |
|---|
| Postal / Zip Code | 65264 |
| Primary City | Martinsburg |
| State / Province | MO |
| County | Audrain |
| Total Population | 919 |
| Median Household Income | Data Pending |
| Total Housing Units | Data Pending |
| Population Density | 5.7 people/sq mi |
| Timezone | America/Chicago |
How 65264 Compares
| Metric | ZIP 65264 | Audrain County | MO State Average |
|---|
| Population | 919 | 31,144 (Total) | 6,191,989 (Total) |
| Average ZIP Income | Data Pending | N/A | N/A |
| Population Density | 5.7 /sq mi | -- | -- |
| County Pop Rank | #5 of 9 | -- | -- |
Nearby ZIP Codes
Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →