Zip Code 70450 — Mount Hermon, LA
70450 is a ZIP Code associated with Mount Hermon, LA, located within Washington. 70450 ranks #4 out of 4 ZIP codes in Washington County by population (and #280 out of 539 in LA). The area supports an estimated population of 2,921 residents across Data Pending housing units, with a population density of 15.3 people per square mile.
WorldPlaceData database updated: October 2026
📍 View location on OpenStreetMap (30.936670, -90.267550)
| Data Metric | Local Statistic |
|---|
| Postal / Zip Code | 70450 |
| Primary City | Mount Hermon |
| State / Province | LA |
| County | Washington |
| Total Population | 2,921 |
| Median Household Income | Data Pending |
| Total Housing Units | Data Pending |
| Population Density | 15.3 people/sq mi |
| Timezone | America/Chicago |
How 70450 Compares
| Metric | ZIP 70450 | Washington County | LA State Average |
|---|
| Population | 2,921 | 45,956 (Total) | 4,611,457 (Total) |
| Average ZIP Income | Data Pending | N/A | N/A |
| Population Density | 15.3 /sq mi | -- | -- |
| County Pop Rank | #4 of 4 | -- | -- |
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 →