Which ZIP code in Chattanooga has the lowest median age?

37403 (Chattanooga), at 21.2 (±0.7), among 16 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 Chattanooga, TN

These are the 16 ZIP codes in Chattanooga, TN with the lowest median age, out of 16 with at least 1,000 residents. 37403 (Chattanooga, 21.2), 37410 (Chattanooga, 24.2) and 37407 (Chattanooga, 26.4) lead the list. There is no single "best" ZIP code in Chattanooga; the right one depends on who you want to reach, so the same ZIP codes are ranked several ways below.

Youngest ZIP codes in Chattanooga

Rank	ZIP	Mailing city	Median age	Residents	Households	Residential mailboxes
1	37403	Chattanooga	21.2 ±0.7	6,413	1,990	2,397
2	37410	Chattanooga	24.2 ±3.5	4,129	1,636	2,301
3	37407	Chattanooga	26.4 ±4.0	9,156	2,864	3,270
4	37408	Chattanooga	32.1 ±2.0	3,502	1,781	2,773
5	37404	Chattanooga	34.5 ±2.8	14,737	5,057	5,712
6	37409	Chattanooga	35.5 ±4.6	3,357	1,553	1,393
7	37406	Chattanooga	35.9 ±1.6	13,364	5,263	5,431
8	37411	Chattanooga	36.4 ±2.2	18,997	8,222	8,272
9	37405	Chattanooga	36.7 ±1.3	18,109	8,620	10,957
10	37415	Chattanooga	37.1 ±1.9	24,181	11,505	12,463
11	37412	Chattanooga	37.4 ±2.3	21,864	9,505	9,831
12	37416	Chattanooga	39.0 ±5.8	13,919	6,135	7,181
13	37421	Chattanooga	40.8 ±1.5	52,985	22,278	24,780
14	37343	Hixson	42.4 ±2.3	45,101	18,097	18,870
15	37402	Chattanooga	46.0 ±11.8	3,953	2,665	3,423
16	37419	Chattanooga	52.7 ±4.9	5,980	2,797	3,230

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; 16 of 18 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 13,328 households, on 23 carrier routes with 16,453 residential mailboxes. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 37403 on the EDDM route map

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Frequently asked questions

Which ZIP code in Chattanooga has the lowest median age?: 37403 (Chattanooga), at 21.2 (±0.7), among 16 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.