Union, SC

Single-footprint Census roll-up for Union, SC: 1 USPS ZIP, population 19,186. Open the primary ZIP for household income, housing tenure, and commute from ACS 2023 5-Year Estimates.

U.S. Census Bureau, SimpleMaps US ZIP Code Database, delivery-area ZIP coverage

ACS city ledger plate

Sheet UNION-SC · Union, SC 1 ZIPs · 19,186 pop · #23812/25278 · Union County

INC-LOW · RANK-BOTTOM · ABOVE-PEER · BOOK-ONE · OWN-MID · POP-TOWN · SPREAD-UNK · HOME-LOW

  • INC-LOW $40,879
  • RANK-BOTTOM #23812/25278
  • ABOVE-PEER over Buffalo
  • BOOK-ONE 1 ZIP
  • OWN-MID 65% owners
  • POP-TOWN 19,186
  • SPREAD-UNK Single-ZIP book
  • HOME-LOW $109,900

Nearest income peer: Buffalo, SC ( $6,415 income $)

Instrument codes from this city’s ACS household income, national rank, county-peer gap, ZIP book, owner tenure, population scale, intra-city income spread, and home-value band, not a moving recommendation.

Income neighbourhood around Union

Lowest/highest poles plus county-sharing cities nearest Union on average ZIP median household income. Full ladder: /cities.

median HH income

What this shows County-sharing peers only, not the full US city board. Open a near peer when the gap is small; open the poles when the mosaic is wide.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2026-08-25

National city placement

According to ACS 5-Year Estimates, Union, SC sits among US cities with one of the lowest household incomes among US cities, on a town-scale population base, across a single-ZIP footprint.

6th pct
household income vs 25,278 US cities
19,186
city population (Census)
1
USPS ZIP codes covered
$40,879
avg ZIP median income

Income percentile ranks this city's average ZIP median household income against 25,278 US cities with ACS income on at least one ZIP. Scale and ZIP-spread words come from Census population and USPS ZIP coverage.

Lower-income footing on only 1 ZIP ($40,879 average) · poverty 23.7%. The primary code (29379) carries the ACS household fields that matter.

Owner-occupancy sits in a mixed band (65.3%) - check the ZIP page's tenure split before treating Union as a pure owner town.

Within South Carolina, Fairfax is the closest lower-income city and Denmark the closest higher-income city by average ZIP household income. Their 1 and 1 ZIP footprints are the immediate statewide comparison set for Union.

Population concentration

Union's single ZIP 29379 carries the town

Union is published as a single USPS ZIP. Code 29379 is the entire residential footprint (19,186 ACS residents), so the city page and the ZIP page tell the same household story, open that ZIP for income, tenure, and commute detail.

Census ZBP business roll-up

Mid-pack ZBP load on Union's one ZIP

Citywide ZBP: 320 establishments, 3,759 employees , annual payroll $155,502k (~17 establishments per 1,000 residents) across 1 of 1 ZIPs. Peak business ZIP 29379 (320 units) ; leading NAICS Retail trade (83) · also Other services (except public administration) · Accommodation and food services .

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ZIP Codes in Union, SC

These ZIP codes sit in Union County, which covers 5 ZIP codes in all; 1 of them fall in Union. See the Union County roll-up →

Union lands mid-pack among the 4 cities sharing Union County: Jonesville and Carlisle earn more and Buffalo and Lockhart earn less. Jonesville marks the far end of that range at $64,494, 58% above Union.

ZIP Code Population Median income Establishments Density
29379 19,186 $40,879 320 29

Union roll-ups here are for informational purposes only and do not constitute financial or relocation advice. ACS and Census ZBP figures are estimates; confirm the current table against Census before a money or move decision involving Union, .