Union
Source:
North Carolina
Union is a mid-size county in North Carolina with 8 ZIP codes, 200,765 people, and top-decile household income among US counties. All data is sourced from the U.S. Census Bureau American Community Survey (ACS) 2023 5-Year Estimates.
National county placement
According to ACS 5-Year Estimates, Union, NC sits among US counties with a top-decile household income, on a mid-size county population base, across a compact ZIP cluster.
- Top 7%
- household income vs 3,210 US counties
- 200,765
- combined ZIP population
- 8
- USPS ZIP codes covered
- $100,166
- avg ZIP median income
Income percentile ranks this county's average ZIP median household income against 3,210 US counties with ACS income on at least one ZIP.
Union lands in the national county income distribution as top-decile household income on mid-size county footing (FIPS 37179, 8 ZIPs, combined population 200,765). Sort the ZIP table by population before treating the county mean as uniform.
Upper-income footing across a mid-size ZIP set (8 codes). Sibling delivery areas are close enough that a two-ZIP compare usually separates the county seat from outlying tracts without leaving Union. Use the density column to spot the urban core before jumping to HUD/FBI county overlays.
Save two ZIPs from the table into your shortlist, then open a compare link - that is the return path a static county summary cannot replace. All figures here come from Census ACS 2023 5-Year Estimates and USPS ZCTA files.
8
Total ZIPs
200,765
Total Population
ZIP Codes in Union
Side-by-side: Compare 28110 vs 28173 →
Frequently Asked Questions
What is the population of Union?
Union has a total population of 200,765 across 8 ZIP codes, based on U.S. Census Bureau ACS 2023 data.
What ZIP codes are in Union?
Union includes 8 ZIP codes: 28110, 28173, 28079, 28104, 28112, 28103, 28174, 28108.