As of , there are 10 properties listed for sale in the city of Port Wentworth and 23 properties listed for sale in the ZIP code 31407. Those 10 Port Wentworth properties include 9 single family homes and 1 condos. This single family residential home located at 21 Old Mill Rd in 31407 was last listed for $136,333. This is 30% below the median of $194,900 for that ZIP code and 16% below the current median price of $161,616 for Port Wentworth. 21 Old Mill Rd is roughly — Sqft, which is 100% below the Port Wentworth median of 1,772 and 100% below the 31407 ZIP code median of 1,774. This property's price per square foot was —, which is 100% below the current median price in 31407 of $96 and 100% below the Port Wentworth median of $90 per square foot.