Lake City is a town in Marshall County, South Dakota, home to about 40 people across 0.2 square miles. It has no ZIP code of its own: it’s part of 57247.
Population40182 per sq mi
Median home value$109,400Census, as estimated by owners
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
Lake City had 45 residents in the 2020 census, down 4% since 2000.
It’s the 382nd largest of 440 towns in South Dakota by population.
Marshall County grew from 5,942 residents in 1900 to 4,306 in 2020.
Marshall 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 82°F in summer, and winter lows average 3°F. About 25.2 inches of rain and melted snow fall in a typical year, with about 48 inches of snow.
Source: NOAA 1991–2020 climate normals, Roy Lake, SD weather station (4 miles away).
Jobs in Marshall County
1,184 jobs at 140 businesses in Marshall County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
Health care
1 doctors and other health care providers list an office in Lake City.
Nearest hospitals
Coteau Des Prairies Health Care SystemCritical access hospital · emergency room · CMS rating 4 of 5 · Sisseton14.5 miles
Marshall County Healthcare Center - CahCritical access hospital · emergency room · Britton20.4 miles
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
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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.