St. Olaf, IA Demographics

A map of St. Olaf's Population by Race

St. Olaf, Iowa has an estimated population of 76, a large decrease from the 106 recorded in the 2020 Census. The population is 100.0% White, 0.0% Black, 0.0% Asian, 0.0% Hispanic, 0.0% Native American/Other, and 0.0% Multiracial. This demographic dot map shows the population of St. Olaf, with one dot drawn for each person counted by the Census, color-coded by race.

St. Olaf has become considerably less racially diverse since the 2020 Census. It is considerably less 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 St. Olaf, that probability was 9.1% in 2020 and 0.0% in the most recent ACS estimates.

St. Olaf is ranked the 895th 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). St. Olaf was ranked the 852nd most populous place in the 2020 Census.

St. Olaf's White Population

76 residents of St. Olaf, or 100.0% of the population, identify as White. The share of White residents in St. Olaf is significantly higher than in Iowa overall, where 82.3% of the population is White. St. Olaf ranks 262nd statewide in terms of White residents as a share of the population, out of 1,026 places.

Since the 2020 Census, St. Olaf's White population has declined by an estimated 24.8%. White residents' share of St. Olaf's population has increased from 95.3% to 100.0%.

St. Olaf is more White than neighboring Farmersburg (98.7% White), Elkader (94.1% White), Monona (96.1% White), Luana (98.4% White), and Garnavillo (96.3% White).

St. Olaf's Black Population

0 residents of St. Olaf, or 0.0% of the population, identify as Black. The share of Black residents in St. Olaf is slightly lower than in Iowa overall, where 3.8% of the population is Black. St. Olaf ranks 600th statewide in terms of Black residents as a share of the population, out of 1,026 places.

Since the 2020 Census, St. Olaf's Black population has grown from 0 to an estimated 0. Black residents' share of St. Olaf's population has remained roughly unchanged at 0.0%.

St. Olaf is less Black than neighboring Luana (0.6% Black).

St. Olaf's Asian Population

0 residents of St. Olaf, or 0.0% of the population, identify as Asian. The share of Asian residents in St. Olaf is slightly lower than in Iowa overall, where 2.5% of the population is Asian. St. Olaf ranks 543rd statewide in terms of Asian residents as a share of the population, out of 1,026 places.

Since the 2020 Census, St. Olaf's Asian population has grown from 0 to an estimated 0. Asian residents' share of St. Olaf's population has remained roughly unchanged at 0.0%.

St. Olaf is less Asian than neighboring Monona (0.8% Asian).

St. Olaf's Hispanic Population

0 residents of St. Olaf, or 0.0% of the population, identify as Hispanic. The share of Hispanic residents in St. Olaf is lower than in Iowa overall, where 7.3% of the population is Hispanic. St. Olaf ranks 640th statewide in terms of Hispanic residents as a share of the population, out of 1,026 places.

Since the 2020 Census, St. Olaf's Hispanic population has declined by an estimated 100.0%. Hispanic residents' share of St. Olaf's population has decreased from 1.9% to 0.0%.

St. Olaf is less Hispanic than neighboring Farmersburg (0.8% Hispanic), Elkader (4.4% Hispanic), Monona (0.5% Hispanic), and Garnavillo (2% Hispanic).

St. Olaf's Native American/Other Population

0 residents of St. Olaf, or 0.0% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in St. Olaf is comparable to the share in Iowa overall, where 0.6% of the population is Native American/Other. St. Olaf ranks 637th statewide in terms of Native American/Other residents as a share of the population, out of 1,026 places.

Since the 2020 Census, St. Olaf's Native American/Other population has grown from 0 to an estimated 0. Native American/Other residents' share of St. Olaf's population has remained roughly unchanged at 0.0%.

St. Olaf is less Native American/Other than neighboring Elkader (0.2% Native American/Other), and Garnavillo (0.4% Native American/Other).

St. Olaf's Multiracial Population

0 residents of St. Olaf, or 0.0% of the population, identify as Multiracial. The share of Multiracial residents in St. Olaf is slightly lower than in Iowa overall, where 3.5% of the population is Multiracial. St. Olaf ranks 466th statewide in terms of Multiracial residents as a share of the population, out of 1,026 places.

Since the 2020 Census, St. Olaf's Multiracial population has declined by an estimated 100.0%. Multiracial residents' share of St. Olaf's population has decreased from 2.8% to 0.0%.

St. Olaf is less Multiracial than neighboring Farmersburg (0.5% Multiracial), Elkader (1.2% Multiracial), Monona (2.6% Multiracial), Luana (0.9% Multiracial), and Garnavillo (1.3% 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.