Storm Lake, IA Demographics

A map of Storm Lake's Population by Race

Storm Lake, Iowa has an estimated population of 11,428, a slight increase from the 11,269 recorded in the 2020 Census. The population is 43.5% Hispanic, 33.1% White, 12.7% Asian, 4.8% Native American/Other, 3.8% Black, and 2.1% Multiracial. This demographic dot map shows the population of Storm Lake, with one dot drawn for each person counted by the Census, color-coded by race.

Storm Lake has become less racially diverse since the 2020 Census. It is considerably more diverse than Iowa overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Storm Lake, that probability was 69.7% in 2020 and 68.1% in the most recent ACS estimates.

Storm Lake is ranked the 35th most populous place in Iowa, out of 1,026 places. This ranking is based on the Census definition of a place, which includes incorporated places like cities, towns, and villages, as well as unincorporated census-designated places (CDPs). Storm Lake was ranked the 36th most populous place in the 2020 Census.

Storm Lake's White Population

3,779 residents of Storm Lake, or 33.1% of the population, identify as White. The share of White residents in Storm Lake is significantly lower than in Iowa overall, where 82.3% of the population is White. Storm Lake ranks 1028th statewide in terms of White residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Storm Lake's White population has grown by an estimated 2.7%. White residents' share of Storm Lake's population has remained roughly unchanged at 33.1%.

Storm Lake is more White than neighboring Truesdale (29.9% White). Storm Lake is less White than neighboring Lakeside (44.2% White), Alta (56% White), Nemaha (100% White), and Schaller (68.9% White).

Storm Lake's Black Population

431 residents of Storm Lake, or 3.8% of the population, identify as Black. The share of Black residents in Storm Lake is comparable to the share in Iowa overall, where 3.8% of the population is Black. Storm Lake ranks 35th statewide in terms of Black residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Storm Lake's Black population has declined by an estimated 12.8%. Black residents' share of Storm Lake's population has decreased from 4.4% to 3.8%.

Storm Lake is more Black than neighboring Lakeside (0% Black), Truesdale (0% Black), Nemaha (0% Black), and Schaller (0% Black). Storm Lake is less Black than neighboring Alta (8.6% Black).

Storm Lake's Asian Population

1,457 residents of Storm Lake, or 12.7% of the population, identify as Asian. The share of Asian residents in Storm Lake is considerably higher than in Iowa overall, where 2.5% of the population is Asian. Storm Lake ranks 1st statewide in terms of Asian residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Storm Lake's Asian population has declined by an estimated 18.1%. Asian residents' share of Storm Lake's population has decreased from 15.8% to 12.7%.

Storm Lake is more Asian than neighboring Lakeside (1.4% Asian), Nemaha (0% Asian), and Schaller (0% Asian). Storm Lake is less Asian than neighboring Truesdale (68.4% Asian), and Alta (13.4% Asian).

Storm Lake's Hispanic Population

4,969 residents of Storm Lake, or 43.5% of the population, identify as Hispanic. The share of Hispanic residents in Storm Lake is significantly higher than in Iowa overall, where 7.3% of the population is Hispanic. Storm Lake ranks 7th statewide in terms of Hispanic residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Storm Lake's Hispanic population has grown by an estimated 8.0%. Hispanic residents' share of Storm Lake's population has increased from 40.8% to 43.5%.

Storm Lake is more Hispanic than neighboring Truesdale (0% Hispanic), Alta (16.4% Hispanic), Nemaha (0% Hispanic), and Schaller (25.9% Hispanic). Storm Lake is less Hispanic than neighboring Lakeside (51.7% Hispanic).

Storm Lake's Native American/Other Population

547 residents of Storm Lake, or 4.8% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Storm Lake is slightly higher than in Iowa overall, where 0.6% of the population is Native American/Other. Storm Lake ranks 11th statewide in terms of Native American/Other residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Storm Lake's Native American/Other population has declined by an estimated 1.3%. Native American/Other residents' share of Storm Lake's population has remained roughly unchanged at 4.8%.

Storm Lake is more Native American/Other than neighboring Lakeside (2.5% Native American/Other), Truesdale (0% Native American/Other), Alta (4.1% Native American/Other), and Nemaha (0% Native American/Other). Storm Lake is less Native American/Other than neighboring Schaller (5.2% Native American/Other).

Storm Lake's Multiracial Population

245 residents of Storm Lake, or 2.1% of the population, identify as Multiracial. The share of Multiracial residents in Storm Lake is comparable to the share in Iowa overall, where 3.5% of the population is Multiracial. Storm Lake ranks 829th statewide in terms of Multiracial residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Storm Lake's Multiracial population has grown by an estimated 50.3%. Multiracial residents' share of Storm Lake's population has increased from 1.4% to 2.1%.

Storm Lake is more Multiracial than neighboring Lakeside (0.2% Multiracial), Truesdale (1.6% Multiracial), Alta (1.5% Multiracial), Nemaha (0% Multiracial), and Schaller (0% Multiracial).

Sources: Most recent population estimates are from the 2020-2024 American Community Survey 5-Year Estimates. 2020 population counts and map data are from 2020 Census State Redistricting Data. Geographic data are from Census TIGER/Line Shapefiles.