| ZIP Codes: | 40 ZIP Codes (15 Standard, 14 PO Box, 11 Unique) [See All] |
| Area Codes: | 803 / 839 |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 2:13:40 PM |
| Population: | 407,605 [See All] |
| FIPS: | 45079 |
| CBSA: | Columbia, SC |
| Land Area: | 696 sq mi |
| Water Area: | 12 sq mi |
| Coordinates: | 34.0267, -81.0109 |
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407,605 residents live across 40 ZIPs covering 696 sq mi, served by 9 distinct USPS-recognized cities.
Population moved from 385,178 to 407,428 from 2014 to 2024 — a +5.8% change. 10 ZIPs gained residents, 7 lost.
The county's wealthiest ZIP 29016 (Blythewood, $95,082 median) and poorest ZIP 29201 (Columbia, $32,297) are 15.4 miles apart — a 2.9× income gap across local geography.
Median home values vary 4.4× across this county — from $83,900 in 29052 (Gadsden) to $369,500 in 29206 (Columbia).
Density varies 412× across the county — from 29 people/sq mi in 29044 (Eastover) to 11,777 in 29208 (Columbia).
Most of the decade's growth concentrated around Columbia — top growth ZIPs averaged +88.3% over the past ten years ( 29208 , 29016 and 29229 ).
Educational attainment ranges from 14.3% bachelor's+ in 29044 (Eastover) to 64.9% in 29205 (Columbia) — the breadth of educational profiles across the area.
Within South Carolina, this is the #2 most populous of 46 counties and ranks #19 for median household income with the #17 fastest decade growth .
Hosts 4 single-entity Unique ZIPs: 29208University Of Sc ; 29219Blue Cross Blue Shield Of Sc ; 29225Univ Of Sc Students Mail ; and 29226Wells Fargo .
Weighted by population, the typical household earns about $65,059 across the county — reflecting what a typical resident sees, not a simple ZIP average.
40.4% of adults age 25+ hold a bachelor's degree or higher (104,522 of 258,803 reporting). The most-educated ZIPs cluster around Columbia.
15 Standard delivery, 14 PO Box only, 11 single-entity Unique ZIPs serve this county.
2 ZIPs in this county where more than 60% of adults 25+ hold a bachelor's degree — typically college campuses, research enclaves, or tech corridors.
11 ZIP codes in this county serve a single facility — typically theme parks, universities, large corporations, airports, or government complexes.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 29223 | Columbia | Standard | 53,074 | $62,408 | 29.2 | 4.2% |
| 29229 | Columbia | Standard | 51,861 | $74,043 | 35.8 | 17.0% |
| 29203 | Columbia | Standard | 40,653 | $46,054 | 62.9 | 5.3% |
| 29210 | Columbia | Standard | 39,962 | $50,871 | 15.1 | -3.2% |
| 29063 | Irmo | Standard | 38,201 | $91,973 | 42.7 | 9.9% |
| 29209 | Columbia | Standard | 38,041 | $58,772 | 53.9 | 10.6% |
| 29016 | Blythewood | Standard | 30,454 | $95,082 | 88.2 | 69.0% |
| 29201 | Columbia | Standard | 24,605 | $32,297 | 12.4 | 14.3% |
| 29205 | Columbia | Standard | 22,223 | $64,231 | 6.6 | -16.2% |
| 29206 | Columbia | Standard | 19,759 | $91,847 | 8.2 | 6.7% |
| 29204 | Columbia | Standard | 18,159 | $50,189 | 6.4 | -12.8% |
| 29061 | Hopkins | Standard | 12,538 | $60,307 | 107.1 | -17.4% |
| 29207 | Columbia | PO Box | 8,012 | — | 16.2 | -27.7% |
| 29044 | Eastover | Standard | 4,799 | $57,297 | 167.9 | -11.3% |
| 29208 | Columbia | Unique | 2,445 | — | 0.2 | 178.8% |
| 29052 | Gadsden | Standard | 2,199 | $52,775 | 43.2 | 16.1% |
| 29225 | Columbia | Unique | 443 | — | 0.0 | -58.4% |
| 29177 | White Rock | PO Box | 177 | — | 0.0 | — |
| 29002 | Ballentine | PO Box | — | — | 0.0 | — |
| 29226 | Columbia | Unique | — | — | 0.0 | — |
| 29227 | Columbia | Unique | — | — | 0.0 | — |
| 29230 | Columbia | PO Box | — | — | 0.0 | — |
| 29221 | Columbia | PO Box | — | — | 0.0 | — |
| 29219 | Columbia | Unique | — | — | 0.1 | — |
| 29224 | Columbia | PO Box | — | — | 0.0 | — |
| 29147 | State Park | PO Box | — | — | 0.1 | — |
| 29260 | Columbia | PO Box | — | — | 0.0 | — |
| 29240 | Columbia | PO Box | — | — | 0.0 | — |
| 29290 | Columbia | PO Box | — | — | 0.0 | — |
| 29250 | Columbia | PO Box | — | — | 0.0 | — |
| 29211 | Columbia | PO Box | — | — | 0.0 | — |
| 29218 | Columbia | Unique | — | — | 0.0 | — |
| 29215 | Columbia | Unique | — | — | 0.0 | — |
| 29202 | Columbia | PO Box | — | — | 0.0 | — |
| 29216 | Columbia | Unique | — | — | 0.0 | — |
| 29222 | Columbia | Standard | — | — | 0.0 | — |
| 29292 | Columbia | PO Box | — | — | 0.0 | — |
| 29220 | Columbia | Unique | — | — | 0.0 | — |
| 29217 | Columbia | Unique | — | — | 0.0 | — |
| 29214 | Columbia | Unique | — | — | 0.0 | — |