What to know before you move: cost, market timing, who it fits.
If you're considering a move to Union, SC, the most important variables are the local housing market, the cost structure (taxes, insurance, utilities), and how well the city fits your day-to-day life. This page summarizes the housing market read; pair it with the cost of living page for the full picture.
Union is a city in Union County, South Carolina, with an estimated population of 7,988. The population has contracted 0.6% per year on average since 2020. The median home value in Union is $139,244 as of 2026-04, up 0.7% over the last 12 months. Over the last five years, home values have averaged +1.9% annual growth (-6.1% from the 5-year peak). The composite momentum score is 50 of 100 (Stable). Conditions are neither hot nor cold, so the local fit matters more than market timing.
Sideways market (+0.7% YoY). No urgency to time the macro trend — focus on the home and neighborhood.
Reasons people move here
- Cheap entry point: $139,244 median home is well below the US median of $355k — room to grow without overpaying.
- The data is the data: Union has at least 5 years of Zillow tracking, full Census identification, and is included in the 2-criteria momentum score on this page.
Things to know first
- Flat or shrinking population: -0.6% per year. Housing demand has to come from somewhere — verify the source.
- Thin housing market: small population means fewer transactions and slower resale. Liquidity risk on exit.
More about Union
Sources: Zillow ZHVI (home values), Zillow ZORI (rents), US Census ACS + place population. Updated when source agencies publish revisions.