Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Population over time
Superior had 132 residents in the 2020 census, down 7% since 2000.
It’s the 843rd largest of 1,019 towns in Iowa by population.
Dickinson County grew from 7,995 residents in 1900 to 17,703 in 2020.
Dickinson County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Weather by month
Average highs peak around 83°F in summer, and winter lows average 7°F. About 29 inches of rain and melted snow fall in a typical year, with about 42 inches of snow.
Source: NOAA 1991–2020 climate normals, Spirit Lake, IA weather station (10 miles away).
Jobs in Dickinson County
7,749 jobs at 784 businesses in Dickinson County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
Health care
Nearest hospitals
Avera Holy Family HospitalCritical access hospital · emergency room · CMS rating 2 of 5 · Estherville5.9 miles
Lakes Regional HealthcareGeneral hospital · emergency room · CMS rating 2 of 5 · Spirit Lake9.0 miles
Sanford Jackson Medical CenterCritical access hospital · emergency room · Jackson13.6 miles
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances.
Places in and around Superior
Libraries (1 nearby)
Superior Public Library0.1 mi
Counts are within about 1 mile of the center of town.
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Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.