County hub small town South Carolina

Lexington County, SC

Aggregated demographic, housing, and geographic context for the 13 ZIP codes inside Lexington County, drawn from public Census ACS and SimpleMaps data.

ZIP codes
13
in this county
Total population
291,838
across all listed ZIPs
Cities
10
distinct city/town names
Avg density
250
people / sq mi
Avg median income
household, ACS
Avg home value
owner-occupied

ZIP codes in Lexington County

ZIPCityPopulationDensityMedian income
29072 Lexington 65,308 371
29073 Lexington 48,657 230
29212 Columbia 27,724 501
29036 Chapin 24,548 172
29170 West Columbia 21,954 347
29169 West Columbia 21,690 721
29053 Gaston 20,458 98
29070 Leesville 16,208 38
29033 Cayce 12,789 493
29172 West Columbia 9,290 150
29054 Gilbert 8,852 60
29123 Pelion 7,478 42
29160 Swansea 6,882 23

About Lexington County

Counties are the workhorse unit of American local government — they administer property taxes, run the courts and sheriff’s office, manage many road and library systems, and in much of the country they collect public health and zoning data that ZIP codes don’t. Lexington County in South Carolina contains roughly 13 ZIP codes spread across 10 distinct cities and unincorporated communities, with an aggregate population of about 291,838. Reading those ZIPs together at the county level smooths over neighborhood-by-neighborhood noise and surfaces the broader economic and demographic shape of the area. For block-level detail, drill into any individual ZIP profile or compare against the wider South Carolina index.

The average density across listed ZIPs sits at roughly 250, which classifies the county overall as a small town environment. That label is a generalization — nearly every county contains both a relatively dense core and quieter outlying ZIPs, and the gap between them is often what determines where you actually want to live or open a business. Average median household income in our enriched ZIPs lands near —, with average owner-occupied home values around —; both numbers move dramatically as you cross from one ZIP to the next, so use the table above as a sorting tool, not a verdict.

If you’re moving into Lexington County, the county itself is also where most of your real-life paperwork will land — vehicle registration, voter registration, property recording, and school district enrollment in many states. Knowing the county that contains your prospective ZIP makes it much easier to look up the right tax assessor, election office, or school district website. Our relocation guide walks through the order in which to tackle these handoffs after a move.

For service-area planning, the county is also where most US business licensing and many sales-tax rules are administered. Service businesses scoping Lexington County should pair this aggregate view with the individual ZIP profiles to identify the densest, highest-income pockets first, then expand outward along whatever transportation corridor matches their delivery model.