Zip Code 64401 — Agency, MO
64401 is a ZIP Code associated with Agency, MO, located within Buchanan. 64401 ranks #6 out of 10 ZIP codes in Buchanan County by population (and #474 out of 1,035 in MO). The area supports an estimated population of 1,757 residents across Data Pending housing units, with a population density of 18.3 people per square mile.
WorldPlaceData database updated: October 2026
📍 View location on OpenStreetMap (39.634520, -94.715220)
| Data Metric | Local Statistic |
|---|
| Postal / Zip Code | 64401 |
| Primary City | Agency |
| State / Province | MO |
| County | Buchanan |
| Total Population | 1,757 |
| Median Household Income | Data Pending |
| Total Housing Units | Data Pending |
| Population Density | 18.3 people/sq mi |
| Timezone | America/Chicago |
How 64401 Compares
| Metric | ZIP 64401 | Buchanan County | MO State Average |
|---|
| Population | 1,757 | 73,921 (Total) | 6,191,989 (Total) |
| Average ZIP Income | Data Pending | N/A | N/A |
| Population Density | 18.3 /sq mi | -- | -- |
| County Pop Rank | #6 of 10 | -- | -- |
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 →