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

45387 (Yellow Springs), at 56.0 (±3.4), among 15 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 Greene County, OH

These are the 15 ZIP codes in Greene County with the highest median age, out of 15 with at least 1,000 residents. 45387 (Yellow Springs, 56.0), 45370 (Spring Valley, 55.8) and 45430 (Dayton, 43.6) lead the list. There is no single "best" ZIP code in Greene 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 Greene County

Rank	ZIP	Mailing city	Median age	Residents	Households	Residential mailboxes
1	45387	Yellow Springs	56.0 ±3.4	5,285	2,616	2,610
2	45370	Spring Valley	55.8 ±5.8	2,518	892	827
3	45430	Dayton	43.6 ±2.6	7,371	2,991	3,388
4	45335	Jamestown	42.2 ±2.7	7,359	2,895	2,800
5	45385	Xenia	41.9 ±1.5	40,617	16,093	17,257
6	45434	Dayton	40.5 ±2.7	12,529	4,742	5,207
7	45305	Bellbrook	40.4 ±3.4	11,498	4,363	4,718
8	45432	Dayton	40.0 ±3.4	15,055	6,467	6,548
9	45440	Dayton	39.9 ±2.1	22,358	9,637	10,968
10	45424	Dayton	39.5 ±1.2	50,725	20,938	21,815
11	45431	Dayton	35.4 ±2.1	27,951	12,529	12,690
12	45324	Fairborn	35.3 ±1.2	41,194	18,389	19,890
13	45433	Dayton	25.4 ±1.3	1,508	426	353
14	45314	Cedarville	21.4 ±0.7	6,536	1,339	1,230
15	45384	Wilberforce	20.1 ±0.5	1,919	266	—

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; 15 of 19 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 25,487 households, on 51 carrier routes with 26,882 residential mailboxes. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 45387 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 Greene County has the highest median age?: 45387 (Yellow Springs), at 56.0 (±3.4), among 15 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.