Which ZIP code in Hamilton County has the lowest median age?

46030 (Arcadia), at 35.4 (±6.8), among 13 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.

Youngest ZIP codes in Hamilton County, IN

These are the 13 ZIP codes in Hamilton County with the lowest median age, out of 13 with at least 1,000 residents. 46030 (Arcadia, 35.4), 46060 (Noblesville, 35.8) and 46038 (Fishers, 36.3) lead the list. There is no single "best" ZIP code in Hamilton County; the right one depends on who you want to reach, so the same ZIP codes are ranked several ways below.

Youngest ZIP codes in Hamilton County

Rank	ZIP	Mailing city	Median age	Residents	Households	Residential mailboxes
1	46030	Arcadia	35.4 ±6.8	3,035	1,101	756
2	46060	Noblesville	35.8 ±1.8	47,610	18,331	20,111
3	46038	Fishers	36.3 ±1.5	43,754	17,281	18,142
4	46040	Fortville	36.5 ±3.2	15,943	5,476	7,532
5	46074	Westfield	37.1 ±1.5	48,901	17,758	24,902
6	46062	Noblesville	37.6 ±1.5	41,060	14,879	17,889
7	46037	Fishers	38.5 ±1.0	48,713	17,161	19,376
8	46032	Carmel	39.9 ±1.2	51,515	20,557	23,777
9	46033	Carmel	41.7 ±0.8	40,881	14,512	14,816
10	46280	Indianapolis	42.9 ±4.8	7,514	3,596	3,882
11	46034	Cicero	44.2 ±2.7	7,531	3,253	3,021
12	46031	Atlanta	44.7 ±5.0	2,456	896	834
13	46069	Sheridan	45.0 ±4.7	7,504	3,162	3,611

How we ranked them

Ranked by median age of all residents, lowest first (ACS 5-year estimates, 2020–2024). ZIP codes need at least 1,000 residents to be ranked; 13 of 14 qualify.

Which of these to mail, and why

Younger ZIP codes skew toward renters, students and young families: fitness, quick-service food, apartments, entertainment and first-time-buyer offers.

The top five ZIP codes on this list hold 59,947 households, on 94 carrier routes with 71,443 residential mailboxes. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 46030 on the EDDM route map

More rankings

Businesses that mail these ZIP codes

Map it and price it

EDDM guides

Frequently asked questions

Which ZIP code in Hamilton County has the lowest median age?: 46030 (Arcadia), at 35.4 (±6.8), among 13 ZIP codes with at least 1,000 residents.
How is this ranking calculated?: Ranked by median age of all residents, lowest 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.