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

92617 (Irvine), at 20.7 (±0.2), among 85 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 Orange County, CA

These are the 25 ZIP codes in Orange County with the lowest median age, out of 85 with at least 1,000 residents. 92617 (Irvine, 20.7), 92612 (Irvine, 31.5) and 92831 (Fullerton, 32.4) lead the list. There is no single "best" ZIP code in Orange 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 Orange County

Rank	ZIP	Mailing city	Median age	Residents	Households	Residential mailboxes
1	92617	Irvine	20.7 ±0.2	24,017	3,888	5,045
2	92612	Irvine	31.5 ±1.5	33,714	14,456	16,052
3	92831	Fullerton	32.4 ±1.3	35,618	13,071	13,570
4	92701	Santa Ana	33.4 ±1.0	47,818	13,174	13,987
5	92802	Anaheim	33.5 ±1.3	43,132	12,169	12,403
6	92614	Irvine	33.7 ±2.2	29,239	11,624	13,181
7	92805	Anaheim	33.8 ±0.9	74,661	21,897	23,951
8	92806	Anaheim	33.8 ±2.2	41,003	12,819	14,283
9	92707	Santa Ana	34.0 ±1.1	58,695	14,575	13,916
10	92868	Orange	34.1 ±1.2	26,380	8,938	10,000
11	92618	Irvine	34.3 ±0.7	66,126	25,417	31,076
12	92606	Irvine	34.3 ±2.6	23,990	8,852	8,870
13	92703	Santa Ana	34.8 ±0.8	62,447	14,638	14,291
14	92832	Fullerton	35.5 ±1.0	27,298	8,973	9,602
15	92704	Santa Ana	35.9 ±0.8	82,120	20,871	20,466
16	92627	Costa Mesa	36.0 ±0.9	60,393	22,511	23,847
17	92602	Irvine	36.0 ±1.3	28,261	9,713	12,124
18	92780	Tustin	36.2 ±1.0	54,374	17,935	18,743
19	90621	Buena Park	36.2 ±2.0	35,984	10,977	11,875
20	92866	Orange	36.2 ±2.6	15,331	5,621	6,032
21	92801	Anaheim	36.4 ±1.3	60,547	18,753	19,709
22	92706	Santa Ana	36.4 ±1.1	37,175	10,106	10,093
23	92694	Ladera Ranch	36.4 ±1.0	35,764	11,915	14,381
24	92867	Orange	36.8 ±1.2	44,726	13,511	14,098
25	92804	Anaheim	37.1 ±1.1	83,537	24,621	26,009

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; 85 of 89 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 56,758 households, on 83 carrier routes with 61,057 residential mailboxes. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 92617 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 Orange County has the lowest median age?: 92617 (Irvine), at 20.7 (±0.2), among 85 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.