Rockville housing market
The typical home in Rockville is worth $703,887 according to Zillow's ZIP-code series (ZIP 29487, Wadmalaw Island), up 1.4% from a year earlier. Homes that sold in Jun–Aug 2026 went for a median $1,049,306 and took a median 240 days to sell. That's based on only 1 sales, so expect these figures to swing month to month. At today's 7.03% 30-year rate, a buyer putting 20% down would pay about $3,758 a month in principal and interest, about 55% of the town's median household income, before taxes and insurance.
* Fewer than 10 sales in the 3-month window; small-sample figures swing a lot. Home value: Zillow Home Value Index for ZIP 29487, Wadmalaw Island, which contains the town. Sales, days on market and supply: Redfin, 3-month rolling. Income, rent and ownership: U.S. Census Bureau ACS 5-year. Payment excludes taxes, insurance, HOA and mortgage insurance.