Which ZIP code in Union County has the highest median household income?

28173 (Waxhaw), at $150,597 (±$9,051), among 7 ZIP codes with at least 1,000 residents.

Why are some ZIP codes missing?

ZIP codes with fewer than 1,000 residents are left out because their survey estimates swing too much to rank, and so are ZIP codes where the Census Bureau did not publish this figure.

Richest ZIP codes in Union County, NC

These are the 7 ZIP codes in Union County with the highest median household income, out of 7 with at least 1,000 residents. 28173 (Waxhaw, $150,597), 28104 (Matthews, $138,017) and 28079 (Indian Trail, $100,516) lead the list. There is no single "best" ZIP code in Union County; the right one depends on who you want to reach, so the same ZIP codes are ranked several ways below.

Richest ZIP codes in Union County

Rank	ZIP	Mailing city	Median household income	Residents	Households	Residential mailboxes
1	28173	Waxhaw	$150,597 ±$9,051	65,274	20,430	23,129
2	28104	Matthews	$138,017 ±$10,655	36,641	12,889	14,451
3	28079	Indian Trail	$100,516 ±$6,215	43,035	14,392	17,527
4	28110	Monroe	$83,480 ±$4,310	56,971	19,464	23,815
5	28112	Monroe	$80,495 ±$7,271	28,461	10,215	11,844
6	28103	Marshville	$76,924 ±$11,771	10,714	4,101	4,204
7	28174	Wingate	$71,136 ±$9,926	9,573	2,708	2,980

How we ranked them

Ranked by median household income (ACS 5-year estimates, 2020–2024). The Census Bureau caps published medians at $250,000; ZIP codes at the cap are shown as $250,000+ and ordered by population. ZIP codes need at least 1,000 residents to be ranked; 7 of 8 qualify.

Which of these to mail, and why

Higher-income ZIP codes suit offers with a bigger ticket: remodeling, pools, roofing, financial planning, private schools, premium dining. A median describes the middle household, not every door, so the routes inside each ZIP still vary.

The top five ZIP codes on this list hold 77,390 households, on 143 carrier routes with 90,766 residential mailboxes. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 28173 on the EDDM route map

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Frequently asked questions

Which ZIP code in Union County has the highest median household income?: 28173 (Waxhaw), at $150,597 (±$9,051), among 7 ZIP codes with at least 1,000 residents.
How is this ranking calculated?: Ranked by median household income (ACS 5-year estimates, 2020–2024). The Census Bureau caps published medians at $250,000; ZIP codes at the cap are shown as $250,000+ and ordered by population.
Why are some ZIP codes missing?: ZIP codes with fewer than 1,000 residents are left out because their survey estimates swing too much to rank, and so are ZIP codes where the Census Bureau did not publish this figure.

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.