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

08559 (Stockton), at 56.0 (±7.0), among 22 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 Hunterdon County, NJ

These are the 22 ZIP codes in Hunterdon County with the highest median age, out of 22 with at least 1,000 residents. 08559 (Stockton, 56.0), 08530 (Lambertville, 53.3) and 08889 (Whitehouse Station, 52.6) lead the list. There is no single "best" ZIP code in Hunterdon 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 Hunterdon County

Rank	ZIP	Mailing city	Median age	Residents	Households	Residential mailboxes
1	08559	Stockton	56.0 ±7.0	4,836	2,052	2,056
2	08530	Lambertville	53.3 ±2.2	8,119	3,596	3,487
3	08889	Whitehouse Station	52.6 ±2.9	10,193	4,333	4,309
4	07830	Califon	50.5 ±3.4	7,379	2,777	2,488
5	08833	Lebanon	49.7 ±4.1	9,184	3,625	3,555
6	08853	Neshanic Station	48.7 ±5.6	5,634	1,984	1,933
7	08802	Asbury	48.5 ±6.7	4,552	1,513	1,472
8	08551	Ringoes	47.4 ±5.0	5,873	2,071	1,991
9	08826	Glen Gardner	47.2 ±2.7	5,459	2,223	2,133
10	08804	Bloomsbury	46.6 ±9.2	3,465	1,308	1,147
11	08867	Pittstown	46.1 ±5.4	5,204	1,812	1,898
12	08801	Annandale	46.0 ±3.1	7,267	2,760	3,214
13	08525	Hopewell	45.3 ±2.2	4,522	1,903	1,946
14	08825	Frenchtown	44.4 ±6.1	4,735	2,130	2,022
15	08827	Hampton	43.8 ±3.2	4,346	1,638	1,745
16	08822	Flemington	42.5 ±1.3	32,556	12,476	12,783
17	08848	Milford	42.0 ±3.7	8,134	2,909	3,193
18	08887	Three Bridges	40.2 ±7.1	1,380	570	453
19	08876	Somerville	39.6 ±1.9	23,380	9,885	11,060
20	08829	High Bridge	38.9 ±2.5	3,580	1,415	1,524
21	08809	Clinton	37.6 ±2.3	6,703	2,269	—
22	07865	Port Murray	34.1 ±7.5	2,825	948	1,214

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; 22 of 24 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 16,383 households, on 34 carrier routes with 15,895 residential mailboxes. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 08559 on the EDDM route map

More rankings

Businesses that mail these ZIP codes

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Frequently asked questions

Which ZIP code in Hunterdon County has the highest median age?: 08559 (Stockton), at 56.0 (±7.0), among 22 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.