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

01003 (Amherst), at 19.7 (±0.2), among 19 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 Hampshire County, MA

These are the 19 ZIP codes in Hampshire County with the lowest median age, out of 19 with at least 1,000 residents. 01003 (Amherst, 19.7), 01063 (Northampton, 19.8) and 01002 (Amherst, 27.0) lead the list. There is no single "best" ZIP code in Hampshire 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 Hampshire County

Rank	ZIP	Mailing city	Median age	Residents	Households	Residential mailboxes
1	01003	Amherst	19.7 ±0.2	13,510	44	—
2	01063	Northampton	19.8 ±0.2	2,272	59	—
3	01002	Amherst	27.0 ±2.2	26,370	10,320	11,132
4	01060	Northampton	39.6 ±2.8	16,492	7,972	7,670
5	01075	South Hadley	42.6 ±2.6	17,754	7,210	7,207
6	01073	Southampton	43.4 ±3.5	6,230	2,289	2,521
7	01007	Belchertown	43.8 ±1.7	15,419	6,140	6,236
8	01082	Ware	44.1 ±4.4	10,392	4,592	4,608
9	01050	Huntington	45.3 ±3.3	2,529	964	787
10	01035	Hadley	45.8 ±7.1	5,306	2,282	2,239
11	01011	Chester	46.0 ±3.1	1,175	461	464
12	01027	Easthampton	46.3 ±2.1	17,716	8,284	8,520
13	01033	Granby	46.3 ±4.2	6,080	2,321	2,427
14	01096	Williamsburg	47.6 ±2.3	2,580	1,037	884
15	01038	Hatfield	48.0 ±6.1	2,491	1,079	1,017
16	01062	Florence	50.4 ±4.0	9,816	4,518	4,832
17	01053	Leeds	52.8 ±6.6	2,304	880	702
18	01039	Haydenville	53.6 ±2.9	1,506	648	553
19	01026	Cummington	55.4 ±5.8	1,014	461	444

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; 19 of 27 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 25,605 households. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 01003 on the EDDM route map

More rankings

Businesses that mail these ZIP codes

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EDDM guides

Frequently asked questions

Which ZIP code in Hampshire County has the lowest median age?: 01003 (Amherst), at 19.7 (±0.2), among 19 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.