Big Rock is a community in Scott County, Iowa, home to about 6 people across 0.3 square miles. It has no ZIP code of its own: it’s part of 52745 and 52777.
Homes sold for a median of $118 per square foot across 2 ZIP codes in the three months ending August 2026, and 0 of 2 were seller’s markets.
Mostly Dixon; part is in Big Rock
Mostly Wheatland; part is in Big Rock
Each card is that ZIP code’s whole market, including any part outside Big Rock. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Big Rock’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Chicago O'Hare International Airport (ORD)148 miles away |
|---|---|
| Closer regional airport | Quad City International Airport (MLI)24 miles away |
| Nearest city of 250,000+ | Madison, WI116 miles away |
| Nearest city of 1 million+ | Chicago, IL159 miles away |
Straight-line distances from the center of Big Rock; 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.
It’s the 1013th largest of 1,019 towns in Iowa by population.
Scott County grew from 51,558 residents in 1900 to 174,669 in 2020.
Scott County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 85°F in summer, and winter lows average 12°F. About 39.7 inches of rain and melted snow fall in a typical year, with about 40 inches of snow.
Source: NOAA 1991–2020 climate normals, Lowden, IA weather station (12 miles away).
86,426 jobs at 4,525 businesses in Scott County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
6 doctors and other health care providers list an office in Big Rock’s ZIP codes.
Nearest hospitals
Providers with an office here
| Nurse practitioners and physician assistants | 1 |
|---|---|
| Physical and occupational therapists | 3 |
| Chiropractors | 2 |
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.
Public schools here are run by Calamus-Wheatland Comm School District. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Calamus-Wheatland Secondary Attendance CenterWheatland | 7–12 | 182 | Public | 8.1 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools. Listed by address; we don’t rate schools.
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Shares ZIP codes with Wheatland, Dixon and Toronto.
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.