Zip Code 31318 — Meldrim, GA
31318 is a ZIP Code associated with Meldrim, GA, located within Effingham. 31318 ranks #6 out of 6 ZIP codes in Effingham County by population (and #674 out of 750 in GA). The area supports an estimated population of 451 residents across Data Pending housing units, with a population density of 67.1 people per square mile.
WorldPlaceData database updated: October 2026
📍 View location on OpenStreetMap (32.135750, -81.375660)
| Data Metric | Local Statistic |
|---|
| Postal / Zip Code | 31318 |
| Primary City | Meldrim |
| State / Province | GA |
| County | Effingham |
| Total Population | 451 |
| Median Household Income | Data Pending |
| Total Housing Units | Data Pending |
| Population Density | 67.1 people/sq mi |
| Timezone | America/New_York |
How 31318 Compares
| Metric | ZIP 31318 | Effingham County | GA State Average |
|---|
| Population | 451 | 64,347 (Total) | 10,940,417 (Total) |
| Average ZIP Income | Data Pending | N/A | N/A |
| Population Density | 67.1 /sq mi | -- | -- |
| County Pop Rank | #6 of 6 | -- | -- |
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 →