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

17881 (Trevorton), at 38.8 (±9.3), among 17 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 Northumberland County, PA

These are the 17 ZIP codes in Northumberland County with the lowest median age, out of 17 with at least 1,000 residents. 17881 (Trevorton, 38.8), 17756 (Muncy, 39.1) and 17777 (Watsontown, 41.3) lead the list. There is no single "best" ZIP code in Northumberland 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 Northumberland County

Rank	ZIP	Mailing city	Median age	Residents	Households	Residential mailboxes
1	17881	Trevorton	38.8 ±9.3	1,479	604	623
2	17756	Muncy	39.1 ±1.7	12,856	4,482	4,839
3	17777	Watsontown	41.3 ±2.6	7,030	2,507	2,928
4	17872	Shamokin	42.0 ±2.1	8,894	3,935	4,189
5	17847	Milton	42.5 ±2.7	11,260	4,969	5,118
6	17772	Turbotville	42.5 ±4.3	2,693	1,109	880
7	17821	Danville	42.9 ±0.8	18,613	8,017	8,624
8	17851	Mount Carmel	43.3 ±3.2	7,234	3,011	3,670
9	17866	Coal Township	44.4 ±1.2	9,769	3,575	3,614
10	17860	Paxinos	44.9 ±8.2	2,332	948	907
11	17801	Sunbury	45.8 ±2.5	16,429	7,016	7,187
12	17823	Dornsife	46.2 ±6.1	1,258	458	502
13	17857	Northumberland	47.3 ±2.5	7,671	3,470	3,453
14	17830	Herndon	49.1 ±1.4	1,938	797	838
15	17824	Elysburg	49.9 ±5.6	3,949	1,668	1,768
16	17017	Dalmatia	52.6 ±4.7	1,509	683	749
17	17834	Kulpmont	55.6 ±8.7	3,480	1,640	1,630

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; 17 of 28 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 16,497 households, on 33 carrier routes with 17,697 residential mailboxes. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 17881 on the EDDM route map

More rankings

Businesses that mail these ZIP codes

Map it and price it

EDDM guides

Frequently asked questions

Which ZIP code in Northumberland County has the lowest median age?: 17881 (Trevorton), at 38.8 (±9.3), among 17 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.