Youngest ZIP codes in Springfield, OH

These are the 5 ZIP codes in Springfield, OH with the lowest median age, out of 5 with at least 1,000 residents. 45505 (Springfield, 35.1), 45504 (Springfield, 40.1) and 45503 (Springfield, 41.1) lead the list. There is no single "best" ZIP code in Springfield; the right one depends on who you want to reach, so the same ZIP codes are ranked several ways below.

Youngest ZIP codes in Springfield

RankZIPMailing cityMedian ageResidentsHouseholdsResidential mailboxes
145505Springfield35.1 ±1.819,8268,1558,971
245504Springfield40.1 ±2.216,3636,5007,028
345503Springfield41.1 ±2.032,63814,20214,784
445506Springfield42.2 ±1.613,4355,7295,380
545502Springfield44.2 ±1.917,6926,7497,183

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; 5 of 6 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 41,335 households, on 77 carrier routes with 43,346 residential mailboxes. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 45505 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 Springfield has the lowest median age?
45505 (Springfield), at 35.1 (±1.8), among 5 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.