SC area data
Union, SC
Union, SC.
Population: 17,607 (Census ACS)
Home values & appreciation
- Median home value
- $142,656
- 1-year appreciation
- +3.4%
- 3-year appreciation
- +3.3%
- 5-year appreciation
- +6.0%
- 10-year appreciation
- +59.6%
- All-time peak (2022-08)
- $151,189
- House Price Index
- 444.0 (+2.0% YoY)
Market activity
- Median sale price
- $195,000
- Median list price
- $219,000
- Median days on market
- 99 days
- Sale-to-list ratio
- 97.0%
- Active listings
- 61
- New listings (monthly)
- 13
Rents
- 2-bedroom fair-market rent (HUD reference)
- $1,293/mo
- 3BR fair-market rent
- $1,681/mo
Affordability
- Cost of living index (Below Average)
- 90.5 (100 = US avg)
- Electricity rate (state-level)
- 15.0¢/kWh
- Natural gas rate (state-level)
- $16.90/MCF
- 30-year mortgage rate (national)
- 6.66%
- 15-year mortgage rate (national)
- 6.00%
Schools
- Total schools
- 5
- Elementary schools
- 2
- Middle schools
- 1
- High schools
- 2
Natural hazards & flood risk
- Overall hazard risk
- Relatively Low
- Top hazards
- iceStorm, lightning, coldWave, strongWind, tornado
- FEMA flood zone
- V12
- Flood risk level
- High
Climate (30-year normals)
- Average annual temperature
- 61.0°F
- Average high
- 73.0°F
- Average low
- 49.0°F
- Annual precipitation
- 45.0 in
Walkability & transit
- Walkability index
- 10.3 / 20
- Transit service frequency
- -99,999
Amenities
- National parks within ~60 mi
- 4
- Nearest national park
- Cowpens National Battlefield (33 mi)
- Nearest airport
- Union County, Troy Shelton Field (USC) (2 mi)
- Hospitals nearby (~15 mi)
- 1
- Solar radiation rating
- Good (4.5 kWh/m²/day)
Migration
- Net migration
- +45 tax filers
Housing stock
- Median year housing built
- 1,971
- Median annual property tax
- $554
- Mean commute to work
- 25 min
- Households with broadband internet
- 59.8%
Employment & development
- Total county employment
- 5,522
- Average weekly wage
- $856
- Top industries (by employment)
- Health Care, Administrative Services, Construction
- Annual residential building permits (county)
- 61
Area data compiled from public government, academic, and industry research feeds. Data sources →
Data last updated
Most recent source refresh: Aug 2026. See all data sources →