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

03101 (Manchester), at 33.8 (±5.6), among 34 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 Hillsborough County, NH

These are the 25 ZIP codes in Hillsborough County with the lowest median age, out of 34 with at least 1,000 residents. 03101 (Manchester, 33.8), 03060 (Nashua, 36.2) and 03102 (Manchester, 36.8) lead the list. There is no single "best" ZIP code in Hillsborough 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 Hillsborough County

Rank	ZIP	Mailing city	Median age	Residents	Households	Residential mailboxes
1	03101	Manchester	33.8 ±5.6	3,201	1,806	3,275
2	03060	Nashua	36.2 ±2.1	31,657	12,399	13,732
3	03102	Manchester	36.8 ±1.5	33,959	14,625	14,834
4	03055	Milford	36.8 ±2.5	16,337	6,399	6,819
5	03071	New Ipswich	36.9 ±2.4	5,310	1,746	1,834
6	03104	Manchester	37.8 ±1.8	35,237	14,622	14,233
7	03103	Manchester	38.3 ±2.0	37,775	15,217	15,277
8	03070	New Boston	38.8 ±3.5	6,177	2,030	2,113
9	03063	Nashua	39.3 ±3.1	15,805	6,614	7,267
10	03033	Brookline	41.2 ±1.5	5,736	1,831	1,858
11	03054	Merrimack	41.5 ±2.2	28,176	10,850	11,825
12	03076	Pelham	41.5 ±2.7	14,449	4,971	5,286
13	03442	Bennington	42.1 ±7.8	1,588	647	620
14	03062	Nashua	42.3 ±2.3	29,441	11,874	12,266
15	03109	Manchester	42.5 ±5.4	9,929	4,075	4,641
16	03057	Mont Vernon	43.0 ±2.8	2,709	884	941
17	03052	Litchfield	43.1 ±1.7	8,499	3,023	3,332
18	03244	Hillsborough	43.6 ±3.8	8,156	3,166	3,063
19	03064	Nashua	43.8 ±2.4	14,391	6,247	6,455
20	03110	Bedford	45.0 ±2.2	23,746	8,176	8,688
21	03086	Wilton	45.3 ±4.6	4,258	1,816	1,307
22	03281	Weare	45.6 ±4.0	9,170	3,565	3,522
23	03051	Hudson	45.7 ±1.9	25,557	9,930	10,126
24	03045	Goffstown	45.9 ±4.2	14,080	5,506	5,543
25	03031	Amherst	45.9 ±3.5	11,849	4,563	4,438

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; 34 of 34 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 36,975 households, on 76 carrier routes with 40,494 residential mailboxes. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 03101 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 Hillsborough County has the lowest median age?: 03101 (Manchester), at 33.8 (±5.6), among 34 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.