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

75080 (Richardson), at 31.4 (±0.8), among 32 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 Collin County, TX

These are the 25 ZIP codes in Collin County with the lowest median age, out of 32 with at least 1,000 residents. 75080 (Richardson, 31.4), 75409 (Anna, 32.8) and 75189 (Royse City, 33.3) lead the list. There is no single "best" ZIP code in Collin 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 Collin County

Rank	ZIP	Mailing city	Median age	Residents	Households	Residential mailboxes
1	75080	Richardson	31.4 ±0.8	52,569	18,842	21,028
2	75409	Anna	32.8 ±1.4	27,131	8,801	14,236
3	75189	Royse City	33.3 ±1.2	48,739	15,743	22,655
4	75287	Dallas	33.4 ±1.4	53,959	27,984	29,866
5	75407	Princeton	33.6 ±1.3	34,171	11,059	24,126
6	75166	Lavon	35.2 ±3.8	6,989	2,253	5,631
7	75098	Wylie	35.3 ±0.9	69,325	21,449	25,763
8	75070	Mckinney	35.6 ±1.2	64,078	24,463	28,424
9	75074	Plano	35.6 ±1.3	53,831	18,982	22,086
10	75454	Melissa	35.8 ±1.5	22,990	6,969	10,624
11	75034	Frisco	35.9 ±0.8	53,818	23,190	27,931
12	75082	Richardson	36.1 ±1.8	29,618	12,957	13,292
13	75173	Nevada	36.4 ±1.9	10,664	3,346	3,998
14	75033	Frisco	36.5 ±1.5	52,795	16,924	21,393
15	75078	Prosper	36.6 ±1.6	53,011	15,691	22,010
16	75009	Celina	37.0 ±1.9	34,260	10,605	18,905
17	75071	Mckinney	37.5 ±1.0	72,964	24,208	38,371
18	75024	Plano	38.2 ±1.3	45,652	19,217	22,190
19	75035	Frisco	38.7 ±0.8	89,682	28,872	33,568
20	75252	Dallas	38.7 ±3.1	28,618	13,566	14,734
21	75442	Farmersville	38.7 ±6.0	10,805	3,960	6,024
22	75013	Allen	38.9 ±1.3	49,796	18,064	22,408
23	75069	Mckinney	38.9 ±2.3	40,032	15,717	18,697
24	75023	Plano	39.1 ±1.7	49,229	18,919	19,810
25	75424	Blue Ridge	39.1 ±3.7	3,790	1,277	1,830

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; 32 of 33 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 82,429 households, on 124 carrier routes with 111,911 residential mailboxes. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 75080 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 Collin County has the lowest median age?: 75080 (Richardson), at 31.4 (±0.8), among 32 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.