Oldest ZIP codes in Greene County, MO

These are the 20 ZIP codes in Greene County with the highest median age, out of 20 with at least 1,000 residents. 65770 (Walnut Grove, 51.5), 65612 (Bois D Arc, 49.4) and 65809 (Springfield, 48.4) lead the list. There is no single "best" ZIP code in Greene 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 Greene County

RankZIPMailing cityMedian ageResidentsHouseholdsResidential mailboxes
165770Walnut Grove51.5 ±9.72,5991,1081,288
265612Bois D Arc49.4 ±9.72,057902554
365809Springfield48.4 ±2.711,3844,718—
465810Springfield46.6 ±2.222,1379,66510,673
565610Billings45.4 ±6.15,5612,2442,257
665619Brookline41.7 ±4.19,4534,008—
765617Brighton41.7 ±6.61,716568—
865742Rogersville40.0 ±3.214,1855,0375,927
965804Springfield39.6 ±1.840,93519,51720,109
1065648Fair Grove39.2 ±4.75,8612,0252,370
1165604Ash Grove37.1 ±2.63,8731,5171,585
1265757Strafford37.0 ±3.68,5843,032—
1365725Pleasant Hope36.3 ±7.62,501834—
1465803Springfield36.1 ±1.442,88218,011—
1565781Willard35.6 ±2.69,6923,370—
1665738Republic35.4 ±1.221,2838,8599,440
1765807Springfield34.5 ±1.256,65927,188—
1865802Springfield33.2 ±1.146,73918,91821,207
1965806Springfield24.5 ±1.113,6927,1447,158
2065897Springfield19.3 ±0.22,61324—

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; 20 of 21 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 18,637 households. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 65770 on the EDDM route map

More rankings

Businesses that mail these ZIP codes

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EDDM guides

Frequently asked questions

Which ZIP code in Greene County has the highest median age?
65770 (Walnut Grove), at 51.5 (±9.7), among 20 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.