Zip Code 66429 — Grantville, KS
66429 is a ZIP Code associated with Grantville, KS, located within Jefferson. The postal region supports an estimated population of 379 residents across Data Pending housing units, with a population density of 11.4 people per square mile.
WorldPlaceData database updated: October 2026
📍 View location on OpenStreetMap (39.098900, -95.537250)
| Data Metric | Local Statistic |
|---|
| Postal / Zip Code | 66429 |
| Primary City | Grantville |
| State / Province | KS |
| County | Jefferson |
| Total Population | 379 |
| Median Household Income | Data Pending |
| Total Housing Units | Data Pending |
| Population Density | 11.4 people/sq mi |
| Timezone | America/Chicago |
How 66429 Compares
| Metric | ZIP 66429 | Jefferson County | KS State Average |
|---|
| Population | 379 | 18,490 | 2,947,026 |
| Median Income | Data Pending | N/A | N/A |
| Population Density | 11.4 /sq mi | -- | -- |
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 →