Which ZIP code in Polk County has the highest median age?

33843 (Frostproof), at 54.2 (±5.4), among 33 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.

Oldest ZIP codes in Polk County, FL

These are the 25 ZIP codes in Polk County with the highest median age, out of 33 with at least 1,000 residents. 33843 (Frostproof, 54.2), 33825 (Avon Park, 50.3) and 33898 (Lake Wales, 48.2) lead the list. There is no single "best" ZIP code in Polk County; the right one depends on who you want to reach, so the same ZIP codes are ranked several ways below.

Oldest ZIP codes in Polk County

Rank	ZIP	Mailing city	Median age	Residents	Households	Residential mailboxes
1	33843	Frostproof	54.2 ±5.4	11,220	4,457	5,898
2	33825	Avon Park	50.3 ±1.9	25,501	10,863	11,148
3	33898	Lake Wales	48.2 ±3.1	18,527	7,498	9,086
4	33859	Lake Wales	47.9 ±6.4	11,824	4,863	6,476
5	33827	Babson Park	46.4 ±14.9	2,431	931	1,349
6	33884	Winter Haven	44.9 ±3.0	37,561	14,547	18,464
7	33815	Lakeland	44.8 ±4.3	13,975	6,180	7,362
8	33809	Lakeland	42.3 ±2.1	30,797	11,684	13,581
9	33868	Polk City	42.3 ±3.7	13,827	4,381	5,431
10	34759	Kissimmee	42.2 ±2.9	44,568	15,683	20,190
11	33850	Lake Alfred	42.2 ±5.6	9,757	3,863	5,190
12	33803	Lakeland	41.8 ±1.8	29,321	12,953	13,889
13	33810	Lakeland	40.9 ±1.7	55,137	20,330	22,382
14	33823	Auburndale	40.7 ±2.2	41,779	14,762	15,942
15	33841	Fort Meade	40.7 ±3.8	8,005	2,989	3,552
16	33881	Winter Haven	40.6 ±3.8	40,808	15,066	19,592
17	33851	Lake Hamilton	40.5 ±4.9	1,212	325	—
18	33812	Lakeland	40.2 ±1.6	16,169	5,327	6,106
19	33813	Lakeland	39.8 ±1.5	38,674	13,976	14,769
20	33844	Haines City	39.4 ±1.3	51,255	17,804	26,378
21	33897	Davenport	38.0 ±3.4	30,159	10,819	13,355
22	33805	Lakeland	37.6 ±1.9	28,751	10,635	11,557
23	33853	Lake Wales	37.6 ±3.7	12,674	4,923	5,419
24	33830	Bartow	37.1 ±2.3	33,740	11,647	13,138
25	33837	Davenport	37.0 ±1.3	47,389	16,204	28,281

How we ranked them

Ranked by median age of all residents, highest first (ACS 5-year estimates, 2020–2024). ZIP codes need at least 1,000 residents to be ranked; 33 of 43 qualify.

Which of these to mail, and why

Older ZIP codes respond to health care, hearing and vision, Medicare plans, home safety, estate planning and services that come to the door.

The top five ZIP codes on this list hold 28,612 households, on 52 carrier routes with 33,957 residential mailboxes. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 33843 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 Polk County has the highest median age?: 33843 (Frostproof), at 54.2 (±5.4), among 33 ZIP codes with at least 1,000 residents.
How is this ranking calculated?: Ranked by median age of all residents, highest 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.