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

19551 (Robesonia), at 48.3 (±3.7), among 12 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 Lebanon County, PA

These are the 12 ZIP codes in Lebanon County with the highest median age, out of 12 with at least 1,000 residents. 19551 (Robesonia, 48.3), 17028 (Grantville, 45.3) and 17026 (Fredericksburg, 44.5) lead the list. There is no single "best" ZIP code in Lebanon 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 Lebanon County

Rank	ZIP	Mailing city	Median age	Residents	Households	Residential mailboxes
1	19551	Robesonia	48.3 ±3.7	4,778	1,835	2,099
2	17028	Grantville	45.3 ±8.9	3,563	1,456	1,388
3	17026	Fredericksburg	44.5 ±6.6	3,137	1,159	1,329
4	17067	Myerstown	43.9 ±2.7	15,815	6,140	6,116
5	17042	Lebanon	41.9 ±2.2	40,161	16,067	17,016
6	17078	Palmyra	41.8 ±2.7	23,840	9,603	9,890
7	17046	Lebanon	40.8 ±1.5	31,835	12,590	12,836
8	17087	Richland	39.2 ±4.7	2,370	901	619
9	17003	Annville	38.6 ±2.1	12,534	4,559	5,043
10	17073	Newmanstown	37.9 ±3.3	6,314	2,289	2,195
11	17038	Jonestown	37.6 ±4.4	8,394	3,401	2,715
12	17033	Hershey	36.8 ±4.0	16,481	6,469	7,291

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; 12 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 26,657 households, on 51 carrier routes with 27,948 residential mailboxes. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 19551 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 Lebanon County has the highest median age?: 19551 (Robesonia), at 48.3 (±3.7), among 12 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.