Oldest ZIP codes in Ingham County, MI

These are the 22 ZIP codes in Ingham County with the highest median age, out of 22 with at least 1,000 residents. 49285 (Stockbridge, 50.8), 49264 (Onondaga, 48.8) and 48895 (Williamston, 48.4) lead the list. There is no single "best" ZIP code in Ingham 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 Ingham County

RankZIPMailing cityMedian ageResidentsHouseholdsResidential mailboxes
149285Stockbridge50.8 ±2.76,2402,629—
249264Onondaga48.8 ±5.71,454553706
348895Williamston48.4 ±3.511,1164,784—
448819Dansville43.6 ±5.92,550934—
548872Perry42.6 ±3.46,1422,6262,955
648840Haslett42.4 ±2.112,3866,1556,373
748892Webberville41.8 ±3.24,7151,8501,707
848917Lansing41.7 ±1.632,48315,432—
948827Eaton Rapids41.7 ±1.515,8316,207—
1048854Mason41.5 ±1.519,5297,4878,009
1149251Leslie40.9 ±3.85,9582,262—
1248842Holt39.6 ±2.321,9459,3949,882
1348864Okemos37.7 ±1.623,9018,9119,747
1448906Lansing35.8 ±1.825,90111,11910,950
1548911Lansing35.2 ±1.139,87617,060—
1648910Lansing34.2 ±1.232,80015,56416,583
1748915Lansing34.1 ±1.59,4284,321—
1848912Lansing32.8 ±1.517,6748,4029,508
1948933Lansing29.8 ±3.53,1071,998—
2048823East Lansing24.1 ±0.950,03421,293—
2148825East Lansing19.5 ±0.111,2957—
2248824East Lansing19.3 ±0.42,09700

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; 22 of 22 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 11,526 households. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 49285 on the EDDM route map

More rankings

Businesses that mail these ZIP codes

Map it and price it

EDDM guides

Frequently asked questions

Which ZIP code in Ingham County has the highest median age?
49285 (Stockbridge), at 50.8 (±2.7), among 22 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.