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

80011 (Aurora), at 32.0 (±1.4), among 26 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 Arapahoe County, CO

These are the 25 ZIP codes in Arapahoe County with the lowest median age, out of 26 with at least 1,000 residents. 80011 (Aurora, 32.0), 80010 (Aurora, 32.0) and 80103 (Byers, 32.0) lead the list. There is no single "best" ZIP code in Arapahoe 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 Arapahoe County

Rank	ZIP	Mailing city	Median age	Residents	Households	Residential mailboxes
1	80011	Aurora	32.0 ±1.4	53,695	18,545	20,024
2	80010	Aurora	32.0 ±2.1	42,439	14,357	15,419
3	80103	Byers	32.0 ±5.0	3,215	995	863
4	80246	Denver	32.5 ±1.9	13,097	7,666	7,863
5	80017	Aurora	32.9 ±1.3	40,584	14,162	14,459
6	80231	Denver	33.3 ±1.2	35,883	16,395	17,774
7	80012	Aurora	34.0 ±0.9	51,052	19,536	19,427
8	80018	Aurora	34.3 ±0.9	19,072	6,193	9,217
9	80136	Strasburg	34.4 ±3.4	6,144	1,993	2,424
10	80247	Denver	34.9 ±1.8	29,760	14,919	15,575
11	80112	Englewood	36.0 ±1.4	36,816	16,618	17,481
12	80013	Aurora	36.6 ±0.8	73,248	25,720	26,345
13	80110	Englewood	36.7 ±1.3	23,825	10,306	10,957
14	80137	Watkins	36.7 ±10.4	1,689	561	835
15	80102	Bennett	37.5 ±2.0	6,690	2,250	2,805
16	80222	Denver	37.9 ±2.0	23,838	11,458	11,987
17	80015	Aurora	39.5 ±1.0	72,316	25,239	25,591
18	80113	Englewood	39.6 ±1.6	22,976	11,077	11,031
19	80016	Aurora	39.9 ±0.8	68,268	23,982	26,719
20	80014	Aurora	40.9 ±1.9	39,496	18,760	20,221
21	80123	Littleton	41.8 ±1.3	44,549	19,270	19,726
22	80122	Littleton	42.3 ±1.2	32,195	12,969	13,151
23	80120	Littleton	42.5 ±1.9	29,725	13,377	13,489
24	80111	Englewood	42.7 ±1.0	31,561	13,209	14,098
25	80105	Deer Trail	45.8 ±14.1	2,182	836	616

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; 26 of 26 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 55,725 households, on 85 carrier routes with 58,628 residential mailboxes. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 80011 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 Arapahoe County has the lowest median age?: 80011 (Aurora), at 32.0 (±1.4), among 26 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.