Which ZIP code in Chicago has the highest median age?

60643 (Chicago), at 43.7 (±1.7), among 59 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.

Oldest ZIP codes in Chicago, IL

These are the 25 ZIP codes in Chicago, IL with the highest median age, out of 59 with at least 1,000 residents. 60643 (Chicago, 43.7), 60646 (Chicago, 43.5) and 60634 (Chicago, 42.0) lead the list. There is no single "best" ZIP code in Chicago; the right one depends on who you want to reach, so the same ZIP codes are ranked several ways below.

Oldest ZIP codes in Chicago

Rank	ZIP	Mailing city	Median age	Residents	Households	Residential mailboxes
1	60643	Chicago	43.7 ±1.7	45,942	17,819	18,393
2	60646	Chicago	43.5 ±1.9	28,780	11,434	10,747
3	60634	Chicago	42.0 ±1.2	73,885	27,382	25,351
4	60619	Chicago	42.0 ±2.5	59,503	28,297	26,984
5	60631	Chicago	42.0 ±2.0	30,924	12,300	12,352
6	60656	Chicago	41.6 ±1.6	29,538	12,427	12,085
7	60649	Chicago	41.2 ±2.6	48,056	24,166	23,760
8	60707	Elmwood Park	41.2 ±1.7	41,116	15,990	16,203
9	60630	Chicago	41.1 ±1.6	55,486	22,317	19,889
10	60018	Des Plaines	40.9 ±1.5	27,952	9,589	10,876
11	60655	Chicago	40.6 ±1.5	28,434	11,095	10,817
12	60106	Bensenville	40.4 ±2.5	20,045	7,565	6,986
13	60617	Chicago	40.2 ±1.5	74,790	29,620	26,442
14	60628	Chicago	40.1 ±1.3	60,431	23,042	24,419
15	60621	Chicago	39.5 ±2.8	28,301	11,414	11,194
16	60620	Chicago	38.5 ±1.7	64,871	25,630	25,324
17	60653	Chicago	38.4 ±1.7	33,383	16,528	16,221
18	60640	Chicago	38.2 ±0.7	65,445	37,848	39,004
19	60638	Chicago	38.2 ±1.7	57,074	20,627	20,024
20	60616	Chicago	37.9 ±1.5	54,308	25,623	24,073
21	60652	Chicago	37.9 ±1.6	41,074	13,122	13,027
22	60645	Chicago	37.8 ±1.9	48,208	17,026	17,007
23	60660	Chicago	37.8 ±1.7	42,724	21,784	23,268
24	60633	Chicago	37.4 ±3.4	12,474	4,896	5,054
25	60641	Chicago	37.0 ±1.1	68,894	25,938	23,581

How we ranked them

Ranked by median age of all residents, highest first (ACS 5-year estimates, 2020–2024). ZIP codes need at least 1,000 residents to be ranked; 59 of 60 qualify.

Which of these to mail, and why

Older ZIP codes respond to health care, hearing and vision, Medicare plans, home safety, estate planning and services that come to the door.

The top five ZIP codes on this list hold 97,232 households, on 223 carrier routes with 93,827 residential mailboxes. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 60643 on the EDDM route map

More rankings

Businesses that mail these ZIP codes

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EDDM guides

Frequently asked questions

Which ZIP code in Chicago has the highest median age?: 60643 (Chicago), at 43.7 (±1.7), among 59 ZIP codes with at least 1,000 residents.
How is this ranking calculated?: Ranked by median age of all residents, highest first (ACS 5-year estimates, 2020–2024).
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.