Which ZIP code in St. Louis County has the highest median household income?

55804 (Duluth), at $111,228 (±$4,458), among 31 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 St. Louis County, MN

These are the 25 ZIP codes in St. Louis County with the highest median household income, out of 31 with at least 1,000 residents. 55804 (Duluth, $111,228), 55803 (Duluth, $105,888) and 55779 (Saginaw, $93,792) lead the list. There is no single "best" ZIP code in St. Louis 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 St. Louis County

Rank	ZIP	Mailing city	Median household income	Residents	Households	Residential mailboxes
1	55804	Duluth	$111,228 ±$4,458	15,922	6,303	6,484
2	55803	Duluth	$105,888 ±$7,527	17,662	7,528	—
3	55779	Saginaw	$93,792 ±$6,536	3,905	1,441	—
4	55710	Britt	$86,477 ±$15,863	1,362	579	650
5	55768	Mountain Iron	$86,075 ±$7,479	2,964	1,323	1,139
6	55810	Duluth	$84,719 ±$9,516	8,285	3,450	3,806
7	55811	Duluth	$79,804 ±$3,888	28,118	11,247	—
8	55790	Tower	$77,232 ±$7,819	1,847	863	1,152
9	55751	Iron	$75,200 ±$6,337	1,388	612	—
10	55741	Gilbert	$69,545 ±$6,642	2,947	1,298	—
11	55771	Orr	$67,667 ±$15,273	1,484	652	—
12	55750	Hoyt Lakes	$65,833 ±$11,518	2,068	840	928
13	55812	Duluth	$65,505 ±$8,775	10,859	3,903	3,719
14	55736	Floodwood	$65,179 ±$5,276	1,344	605	435
15	55732	Embarrass	$64,750 ±$13,337	1,453	676	653
16	56649	International Falls	$64,736 ±$8,236	8,825	4,413	—
17	55723	Cook	$64,526 ±$6,626	1,927	947	—
18	55720	Cloquet	$64,167 ±$3,298	17,448	7,154	7,313
19	55734	Eveleth	$62,703 ±$7,588	6,265	2,783	2,954
20	55807	Duluth	$62,067 ±$8,957	9,763	4,362	—
21	55808	Duluth	$62,031 ±$6,471	5,691	2,554	2,841
22	55731	Ely	$62,008 ±$6,917	5,361	2,881	—
23	55713	Buhl	$59,036 ±$10,436	1,048	457	—
24	55706	Babbitt	$56,750 ±$13,791	1,703	798	928
25	55705	Aurora	$56,208 ±$8,008	3,211	1,682	—

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; 31 of 48 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 17,174 households. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 55804 on the EDDM route map

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Businesses that mail these ZIP codes

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Frequently asked questions

Which ZIP code in St. Louis County has the highest median household income?: 55804 (Duluth), at $111,228 (±$4,458), among 31 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.