Storm Lake, Iowa

Storm Lake population, 2020 to 2024

Storm Lake added 367 residents from July 2020 to July 2024, a change of +3.3%. In the latest year it moved by +67. Among 85 Iowa places of 5,000 or more, that growth ranks 26th; the median place changed by +1.1%. The median place of 5,000+ in Iowa has 9,511 people, so Storm Lake is 1.2 times that size.

Storm Lake covers 5.43 square miles of land, for 2,141 people per square mile of land. The median Iowa place of 5,000+ has 1,363, so Storm Lake is denser than the typical town.

What county Storm Lake is in

All of Storm Lake's residents live in Buena Vista County, which had 20,816 residents in 2024. Storm Lake holds 55.9% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Storm Lake

1 ZIP Code Tabulation Area (ZCTA) overlaps Storm Lake by at least 10% of the ZCTA's or the city's land: 50588. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a city that annexed land after 2020 may reach into ZIP codes not listed here.

Where Storm Lake is

The Census internal point of Storm Lake is at 42.643000, -95.196500. Des Moines, the capital, is 109.3 miles SE in a straight line. The nearest larger place is Fort Dodge, IA (24,886 people), 52.8 miles away. The nearest city of 100,000 or more is Sioux Falls, SD, 99.2 miles away.

Daylight in Storm Lake

At 42.64° N, Storm Lake gets about 15 h 19 min of daylight around the June solstice and 9 h 03 min around the December solstice, a swing of 6 h 17 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Storm Lake

The eight nearest incorporated places of 1,000+ in Iowa, measured between internal points. The closest is Alta, 5.8 miles away, with 2,039 people.