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

75093 (Plano), at 43.3 (±2.3), 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.

Oldest ZIP codes in Collin County, TX

These are the 25 ZIP codes in Collin County with the highest median age, out of 32 with at least 1,000 residents. 75093 (Plano, 43.3), 75094 (Plano, 42.0) and 75075 (Plano, 41.4) 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.

Oldest ZIP codes in Collin County

Rank	ZIP	Mailing city	Median age	Residents	Households	Residential mailboxes
1	75093	Plano	43.3 ±2.3	47,954	20,176	20,785
2	75094	Plano	42.0 ±2.0	24,200	6,870	7,175
3	75075	Plano	41.4 ±1.9	38,135	15,534	18,389
4	75025	Plano	41.1 ±1.0	53,202	18,896	19,148
5	75048	Sachse	39.7 ±1.6	30,993	10,847	12,145
6	75072	Mckinney	39.6 ±1.3	55,087	18,052	19,902
7	75002	Allen	39.5 ±1.4	75,057	23,656	24,742
8	75023	Plano	39.1 ±1.7	49,229	18,919	19,810
9	75424	Blue Ridge	39.1 ±3.7	3,790	1,277	1,830
10	75013	Allen	38.9 ±1.3	49,796	18,064	22,408
11	75069	Mckinney	38.9 ±2.3	40,032	15,717	18,697
12	75035	Frisco	38.7 ±0.8	89,682	28,872	33,568
13	75252	Dallas	38.7 ±3.1	28,618	13,566	14,734
14	75442	Farmersville	38.7 ±6.0	10,805	3,960	6,024
15	75024	Plano	38.2 ±1.3	45,652	19,217	22,190
16	75071	Mckinney	37.5 ±1.0	72,964	24,208	38,371
17	75009	Celina	37.0 ±1.9	34,260	10,605	18,905
18	75078	Prosper	36.6 ±1.6	53,011	15,691	22,010
19	75033	Frisco	36.5 ±1.5	52,795	16,924	21,393
20	75173	Nevada	36.4 ±1.9	10,664	3,346	3,998
21	75082	Richardson	36.1 ±1.8	29,618	12,957	13,292
22	75034	Frisco	35.9 ±0.8	53,818	23,190	27,931
23	75454	Melissa	35.8 ±1.5	22,990	6,969	10,624
24	75070	Mckinney	35.6 ±1.2	64,078	24,463	28,424
25	75074	Plano	35.6 ±1.3	53,831	18,982	22,086

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; 32 of 33 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 72,323 households, on 123 carrier routes with 77,642 residential mailboxes. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 75093 on the EDDM route map

More rankings

Businesses that mail these ZIP codes

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Frequently asked questions

Which ZIP code in Collin County has the highest median age?: 75093 (Plano), at 43.3 (±2.3), among 32 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.