ZIP Code 28756
About Mill Spring
Mill Spring is an unincorporated community in Polk County, North Carolina, United States. Mill Spring is located at the junction of North Carolina Highway 9 and North Carolina Highway 108 3.7 miles (6.0 km) northeast of Columbus, North Carolina. Mill Spring has a post office with ZIP code 28756. Mill Spring is named after Colonel Ambrose Mills. He founded a saw mill and post office in the community.
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Area Profile
US Census (ACS 5-year · Gazetteer)
4,468
population
$54,112
median household income
56
people / sq mi
$275,000
median home value
$662
median gross rent
46.0
median age
2,375
housing units
1,793
households
79.3
land area (sq mi)
Key places in 28756
- McCraw Mountain nature
Points of interest
- gas
Brands
- Exxon (1)