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

06607 (Bridgeport), at 30.1 (±4.3), among 46 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 Fairfield County, CT

These are the 25 ZIP codes in Fairfield County with the lowest median age, out of 46 with at least 1,000 residents. 06607 (Bridgeport, 30.1), 06901 (Stamford, 30.9) and 06605 (Bridgeport, 33.6) lead the list. There is no single "best" ZIP code in Fairfield 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 Fairfield County

Rank	ZIP	Mailing city	Median age	Residents	Households	Residential mailboxes
1	06607	Bridgeport	30.1 ±4.3	7,979	2,596	3,073
2	06901	Stamford	30.9 ±2.1	11,037	6,071	—
3	06605	Bridgeport	33.6 ±1.6	25,929	10,380	9,768
4	06608	Bridgeport	34.7 ±3.0	12,146	4,470	4,968
5	06604	Bridgeport	37.0 ±1.3	31,771	12,534	11,752
6	06907	Stamford	37.2 ±4.9	8,705	3,541	3,778
7	06902	Stamford	37.7 ±1.2	73,392	28,959	28,529
8	06854	Norwalk	37.7 ±2.0	32,118	11,769	11,741
9	06906	Stamford	37.7 ±1.9	9,199	3,297	3,753
10	06824	Fairfield	38.5 ±1.9	36,716	11,940	12,487
11	06810	Danbury	38.8 ±1.4	55,833	21,218	21,531
12	06606	Bridgeport	38.8 ±2.2	49,308	17,649	17,193
13	06807	Cos Cob	39.4 ±2.5	7,650	2,828	2,839
14	06855	Norwalk	39.6 ±4.4	9,351	3,516	3,820
15	06820	Darien	40.0 ±1.5	21,936	7,234	7,593
16	06850	Norwalk	40.0 ±2.9	19,692	8,138	9,487
17	06870	Old Greenwich	40.0 ±1.4	7,864	2,756	2,794
18	06610	Bridgeport	41.3 ±2.5	22,020	8,929	9,237
19	06905	Stamford	41.3 ±1.1	20,725	8,503	9,046
20	06611	Trumbull	41.7 ±1.3	37,281	12,153	13,855
21	06825	Fairfield	41.8 ±2.2	21,982	7,813	8,001
22	06878	Riverside	41.8 ±2.3	8,328	2,686	2,861
23	06840	New Canaan	42.1 ±2.5	20,870	7,153	7,492
24	06482	Sandy Hook	42.7 ±2.4	12,000	4,142	4,196
25	06801	Bethel	42.8 ±2.6	20,796	7,782	8,246

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; 46 of 46 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 36,051 households. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 06607 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 Fairfield County has the lowest median age?: 06607 (Bridgeport), at 30.1 (±4.3), among 46 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.