As of , there are 13 properties listed for sale in the city of Port Wentworth and 13 properties listed for sale in the ZIP code 31407. Those 13 Port Wentworth properties include 10 single family homes and 3 condos. This single family residential home located at 21 Old Mill Rd in 31407 was last listed for $136,333. This is 21% below the median of $172,900 for that ZIP code and 21% below the current median price of $172,900 for Port Wentworth. 21 Old Mill Rd is roughly — Sqft, which is 100% below the Port Wentworth median of 2,176 and 100% below the 31407 ZIP code median of 2,176. This property's price per square foot was —, which is 100% below the current median price in 31407 of $84 and 100% below the Port Wentworth median of $84 per Sqft.