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Zip Code 54656 — Sparta, WI

ZIP Code 54656 is associated with Sparta, WI, in Monroe County. The listed population estimate is 18,160; estimated density is 24.8 people per square mile. Among records with population estimates, it ranks #1 of 7 in Monroe County and #124 of 780 in WI.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (44.002910, -90.796010)

Data MetricLocal Statistic
Postal / Zip Code54656
Primary CitySparta
State / ProvinceWI
CountyMonroe
Total Population18,160
Population Density24.8 people/sq mi
TimezoneAmerica/Chicago

How 54656 Compares

MetricZIP 54656Monroe County recordsWI records
Population estimate18,16045,937 (sum)5,914,913 (sum)
Population Density24.8 /sq mi----
County population rank#1 of 7----
State population rank#124 of 780----

Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.

Explore More ZIP Codes

Nearby ZIP Codes in WI

ZIP CodeCityDistancePopulation estimate
ZIP 54614Bangor11.2 mi2,776
ZIP 54644Mindoro12.4 mi1,236
ZIP 54653Rockland13.5 mi1,335
ZIP 54648Norwalk14.1 mi1,608
ZIP 54660Tomah14.5 mi16,124

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →