St. Joseph, IA Demographics

A map of St. Joseph's Population by Race

St. Joseph, Iowa has an estimated population of 73, a dramatic increase from the 51 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. Joseph, with one dot drawn for each person counted by the Census, color-coded by race.

St. Joseph 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. Joseph, that probability was 11.1% in 2020 and 0.0% in the most recent ACS estimates.

St. Joseph is ranked the 903rd 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. Joseph was ranked the 953rd most populous place in the 2020 Census.

St. Joseph's White Population

73 residents of St. Joseph, or 100.0% of the population, identify as White. The share of White residents in St. Joseph is significantly higher than in Iowa overall, where 82.3% of the population is White. St. Joseph ranks 374th statewide in terms of White residents as a share of the population, out of 1,026 places.

Since the 2020 Census, St. Joseph's White population has grown by an estimated 52.1%. White residents' share of St. Joseph's population has increased from 94.1% to 100.0%.

St. Joseph is more White than neighboring Livermore (88.5% White), Bode (76% White), Ottosen (93.5% White), and Lu Verne (88.4% White).

St. Joseph's Black Population

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

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

St. Joseph is less Black than neighboring Lu Verne (4.4% Black).

St. Joseph's Asian Population

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

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

St. Joseph's Hispanic Population

0 residents of St. Joseph, or 0.0% of the population, identify as Hispanic. The share of Hispanic residents in St. Joseph is lower than in Iowa overall, where 7.3% of the population is Hispanic. St. Joseph ranks 188th statewide in terms of Hispanic residents as a share of the population, out of 1,026 places.

Since the 2020 Census, St. Joseph's Hispanic population has declined by an estimated 100.0%. Hispanic residents' share of St. Joseph's population has decreased from 5.9% to 0.0%.

St. Joseph is less Hispanic than neighboring Livermore (8.4% Hispanic), Bode (15.3% Hispanic), Ottosen (6.5% Hispanic), and Lu Verne (0.3% Hispanic).

St. Joseph's Native American/Other Population

0 residents of St. Joseph, 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. Joseph is comparable to the share in Iowa overall, where 0.6% of the population is Native American/Other. St. Joseph 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. Joseph's Native American/Other population has grown from 0 to an estimated 0. Native American/Other residents' share of St. Joseph's population has remained roughly unchanged at 0.0%.

St. Joseph is less Native American/Other than neighboring Bode (2.4% Native American/Other), and Lu Verne (0.6% Native American/Other).

St. Joseph's Multiracial Population

0 residents of St. Joseph, or 0.0% of the population, identify as Multiracial. The share of Multiracial residents in St. Joseph is slightly lower than in Iowa overall, where 3.5% of the population is Multiracial. St. Joseph ranks 960th statewide in terms of Multiracial residents as a share of the population, out of 1,026 places.

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

St. Joseph is less Multiracial than neighboring Livermore (3.1% Multiracial), Bode (6.3% Multiracial), and Lu Verne (6.3% 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.