Oldest ZIP codes in Delaware County, IN

These are the 15 ZIP codes in Delaware County with the highest median age, out of 15 with at least 1,000 residents. 47336 (Dunkirk, 47.9), 47354 (Losantville, 47.9) and 47320 (Albany, 47.1) lead the list. There is no single "best" ZIP code in Delaware 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 Delaware County

RankZIPMailing cityMedian ageResidentsHouseholdsResidential mailboxes
147336Dunkirk47.9 ±5.02,8511,2901,440
247354Losantville47.9 ±9.21,182521392
347320Albany47.1 ±4.84,5631,9701,718
447334Daleville43.8 ±2.83,3361,4171,245
546012Anderson43.2 ±2.820,8559,1178,606
647338Eaton43.0 ±6.42,3551,024904
747383Selma41.6 ±6.92,6121,064—
847305Muncie39.9 ±6.93,5561,764—
947396Yorktown39.6 ±3.47,7122,9303,290
1047302Muncie39.4 ±2.625,47311,18411,797
1147368Parker City37.6 ±4.72,086830902
1247304Muncie37.0 ±2.431,23713,59914,223
1347342Gaston33.7 ±4.62,710987771
1447303Muncie29.7 ±1.924,39210,001—
1547306Muncie19.4 ±0.13,7960—

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; 15 of 16 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 14,315 households, on 29 carrier routes with 13,401 residential mailboxes. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 47336 on the EDDM route map

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Frequently asked questions

Which ZIP code in Delaware County has the highest median age?
47336 (Dunkirk), at 47.9 (±5.0), among 15 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.