The value of farmsand rural real estate for sale in Portsmouth City County, Virginia, recently on Land.com was around $2 million. This represents around 1,000 acres of farms and rural real estate for sale in Portsmouth City County. Portsmouth City County ranks 117th out of 133 counties in the Old Dominion for the total acreage of land currently advertised for sale. Among cities in Portsmouth City County with land for sale, Portsmouth featured the most land for sale. Portsmouth City County is Virginia's 104th biggest county (46 square miles). It's located in the Coast Virginia region of Virginia.