Sparta, WI micro area ZIP codes
The Sparta, WI micropolitan statistical area (CBSA 43890) covers 1 county in Wisconsin and 10 ZIP codes.
- ZIP codes
- 10
- Population
- 45,937
- Avg. median income
- $68,800population-weighted
- Counties
- 1
Click anywhere on the map to see which ZIP code it's in.
Counties in the Sparta, WI area
ZIP codes in the Sparta, WI area
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 54619 | Cashton | Monroe County | 3,849 | $71,463 | $246,100 |
| 54620 PO Box | Cataract | Monroe County | — | — | — |
| 54638 | Kendall | Monroe County | 1,513 | $60,417 | $228,000 |
| 54648 | Norwalk | Monroe County | 1,608 | $74,250 | $207,400 |
| 54649 PO Box | Oakdale | Monroe County | — | — | — |
| 54656 | Sparta | Monroe County | 18,160 | $72,379 | $277,000 |
| 54660 | Tomah | Monroe County | 16,124 | $61,186 | $256,400 |
| 54662 PO Box | Tunnel City | Monroe County | — | — | — |
| 54666 | Warrens | Monroe County | 2,635 | $78,015 | $224,000 |
| 54670 | Wilton | Monroe County | 2,048 | $82,250 | $226,200 |
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 Sparta, WI micro area?
10 ZIP codes, based on each ZIP code's main county.
Which counties make up the Sparta, WI area?
Monroe 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).