Rock Valley, IA

Population
4,188
U.S. Census Population Estimates Program · 2025
Elevation
1,246 ft
USGS GNIS community points and 3DEP elevation · GNIS 2026-07-06; USGS 3DEP sampled 2026-07-23
Median Home Value
$231,200
U.S. Census American Community Survey 5-Year · 2024
Median Rent
$1,142/mo
U.S. Census American Community Survey 5-Year · 2024
Median Income
$76,250
U.S. Census American Community Survey 5-Year · 2024
General Quality
Overall rating out of 100

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About Rock Valley

Rock Valley is a welcoming town of around 4,000 people nestled in northwest Iowa along the Rock River. Located right off Highway 18 in Sioux County, it pairs a rich agricultural heritage with a hardworking local economy anchored by manufacturing, local shops, and agribusiness. Commuters and day-trippers also appreciate being less than an hour from Sioux Falls, South Dakota, which makes big-city shopping, healthcare, and airport travel an easy drive from home.

For new residents and growing families, the community offers strong local schools, safe neighborhoods, and well-maintained parks and recreation facilities. You will experience true four-season living here, from sunny summer community events to quiet winter snowfalls. Overall, Rock Valley gives newcomers the peaceful rhythm of small-town Iowa life alongside the convenience of easy regional connections.

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