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

37188 (White House), at 35.4 (±1.5), among 9 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 Sumner County, TN

These are the 9 ZIP codes in Sumner County with the lowest median age, out of 9 with at least 1,000 residents. 37188 (White House, 35.4), 37148 (Portland, 37.3) and 37066 (Gallatin, 38.3) lead the list. There is no single "best" ZIP code in Sumner 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 Sumner County

Rank	ZIP	Mailing city	Median age	Residents	Households	Residential mailboxes
1	37188	White House	35.4 ±1.5	18,241	7,083	9,256
2	37148	Portland	37.3 ±1.5	26,274	9,436	10,709
3	37066	Gallatin	38.3 ±1.0	64,650	25,624	30,392
4	37075	Hendersonville	40.2 ±0.8	73,522	28,265	30,458
5	37186	Westmoreland	40.4 ±3.3	10,709	3,810	4,549
6	37072	Goodlettsville	40.8 ±2.1	32,208	13,778	14,468
7	37022	Bethpage	42.4 ±7.7	5,728	2,144	2,645
8	37048	Cottontown	43.2 ±4.0	6,380	2,404	2,740
9	37031	Castalian Springs	53.5 ±4.4	3,926	1,707	1,858

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; 9 of 9 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 74,218 households, on 118 carrier routes with 85,364 residential mailboxes. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 37188 on the EDDM route map

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Frequently asked questions

Which ZIP code in Sumner County has the lowest median age?: 37188 (White House), at 35.4 (±1.5), among 9 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.