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Zip Code 50450 — Lake Mills, IA

ZIP Code 50450 is associated with Lake Mills, IA, in Winnebago County. The listed population estimate is 2,952; estimated density is 13.5 people per square mile. Among records with population estimates, it ranks #2 of 7 in Winnebago County and #207 of 969 in IA.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (43.420450, -93.519980)

Data MetricLocal Statistic
Postal / Zip Code50450
Primary CityLake Mills
State / ProvinceIA
CountyWinnebago
Total Population2,952
Population Density13.5 people/sq mi
TimezoneAmerica/Chicago

How 50450 Compares

MetricZIP 50450Winnebago County recordsIA records
Population estimate2,95211,847 (sum)3,210,984 (sum)
Population Density13.5 /sq mi----
County population rank#2 of 7----
State population rank#207 of 969----

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 IA

ZIP CodeCityDistancePopulation estimate
ZIP 50446Joice6.6 mi476
ZIP 50453Leland7.6 mi537
ZIP 50473Scarville8.3 mi219
ZIP 50444Hanlontown11.1 mi394
ZIP 50434Fertile11.6 mi396

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 →