Wall Lake is a city in Sac County, Iowa, home to about 725 people across 1.1 square miles. Its ZIP code is 51466.
Homes sold for a median of $245 per square foot in the three months ending August 2026, a buyer’s market.
Each card is that ZIP code’s whole market, including any part outside Wall Lake. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Wall Lake’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Eppley Airfield (OMA)78 miles away |
|---|---|
| Closer regional airport | Fort Dodge Regional Airport (FOD)50 miles away |
| Nearest city of 250,000+ | Omaha, NE85 miles away |
| Nearest city of 1 million+ | Chicago, IL381 miles away |
Straight-line distances from the center of Wall Lake; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Wall Lake had 755 residents in the 2020 census, down 10% since 2000.
It’s the 383rd largest of 1,019 towns in Iowa by population.
Sac County grew from 17,639 residents in 1900 to 9,814 in 2020.
Sac County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 83°F in summer, and winter lows average 8°F. About 33.1 inches of rain and melted snow fall in a typical year, with about 31 inches of snow.
Source: NOAA 1991–2020 climate normals, Sac City, IA weather station (12 miles away).
2,245 jobs at 321 businesses in Sac County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
4 doctors and other health care providers list an office in Wall Lake.
Nearest hospitals
Providers with an office here
| Dentists | 1 |
|---|---|
| Nurse practitioners and physician assistants | 1 |
| Physical and occupational therapists | 1 |
| Chiropractors | 1 |
| Pharmacies | 1 |
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.
Grocery stores
Libraries (1 nearby)
Museums
Counts are within about 1 mile of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
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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.