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
Oto had 72 residents in the 2020 census, down 50% since 2000.
It’s the 913th largest of 1,019 towns in Iowa by population.
Woodbury County grew from 54,610 residents in 1900 to 105,941 in 2020.
Woodbury 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 84°F in summer, and winter lows average 9°F. About 32.3 inches of rain and melted snow fall in a typical year, with about 31 inches of snow.
Source: NOAA 1991–2020 climate normals, Mapleton No.2, IA weather station (8 miles away).
Jobs in Woodbury County
46,810 jobs at 2,622 businesses in Woodbury 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
Burgess Health CenterCritical access hospital · emergency room · CMS rating 3 of 5 · Onawa20.7 miles
Horn Memorial HospitalCritical access hospital · emergency room · Ida Grove21.2 miles
Crawford County Memorial HospitalCritical access hospital · emergency room · CMS rating 2 of 5 · Denison30.6 miles
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances.
Places in and around Oto
Museums
Smithland Town Museum4.4 mi
Counts are within about 1 mile of the center of town.
Buying or selling around Oto? Tell us what you need and when. No agents advertise here yet, so we’ll keep your request for up to 30 days and send it to local agents who join. No obligation, and you choose who to work with.
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.