Ottawa, KS micro area ZIP codes
The Ottawa, KS micropolitan statistical area (CBSA 36840) covers 1 county in Kansas and 8 ZIP codes.
- ZIP codes
- 8
- Population
- 27,146
- Avg. median income
- $78,100population-weighted
- Counties
- 1
Click anywhere on the map to see which ZIP code it's in.
Counties in the Ottawa, KS area
ZIP codes in the Ottawa, KS area
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 66042 | Lane | Franklin County | 929 | $67,813 | $295,800 |
| 66067 | Ottawa | Franklin County | 16,330 | $77,255 | $240,300 |
| 66076 | Pomona | Franklin County | 2,416 | $73,945 | $287,700 |
| 66078 | Princeton | Franklin County | 805 | $80,000 | $343,200 |
| 66079 | Rantoul | Franklin County | 752 | $54,432 | $349,600 |
| 66080 | Richmond | Franklin County | 980 | $90,543 | $230,900 |
| 66092 | Wellsville | Franklin County | 4,351 | $87,524 | $348,800 |
| 66095 | Williamsburg | Franklin County | 583 | $71,023 | $274,500 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Frequently asked questions
How many ZIP codes are in the Ottawa, KS micro area?
8 ZIP codes, based on each ZIP code's main county.
Which counties make up the Ottawa, KS area?
Franklin County.
What is an MSA?
A metropolitan statistical area (MSA) is a core city of 50,000+ people plus the surrounding counties tied to it by commuting, as defined by the U.S. Office of Management and Budget. Micropolitan areas have a core of 10,000–50,000. Together they are called core-based statistical areas (CBSAs).