St. Charles, ID Demographics

A map of St. Charles's Population by Race

St. Charles, Idaho has an estimated population of 145, a decrease from the 161 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. Charles, with one dot drawn for each person counted by the Census, color-coded by race.

St. Charles has become less racially diverse since the 2020 Census. It is considerably less diverse than Idaho overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In St. Charles, that probability was 3.7% in 2020 and 0.0% in the most recent ACS estimates.

St. Charles is ranked the 204th most populous place in Idaho, out of 236 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. Charles was ranked the 200th most populous place in the 2020 Census.

St. Charles's White Population

145 residents of St. Charles, or 100.0% of the population, identify as White. The share of White residents in St. Charles is significantly higher than in Idaho overall, where 78.6% of the population is White. St. Charles ranks 2nd statewide in terms of White residents as a share of the population, out of 236 places.

Since the 2020 Census, St. Charles's White population has declined by an estimated 8.2%. White residents' share of St. Charles's population has increased from 98.1% to 100.0%.

St. Charles is more White than neighboring Bloomington (89% White), Paris (95.7% White), Garden City (93.6% White), and Montpelier (89.7% White).

St. Charles's Black Population

0 residents of St. Charles, or 0.0% of the population, identify as Black. The share of Black residents in St. Charles is comparable to the share in Idaho overall, where 0.7% of the population is Black. St. Charles ranks 134th statewide in terms of Black residents as a share of the population, out of 236 places.

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

St. Charles's Asian Population

0 residents of St. Charles, or 0.0% of the population, identify as Asian. The share of Asian residents in St. Charles is comparable to the share in Idaho overall, where 1.3% of the population is Asian. St. Charles ranks 168th statewide in terms of Asian residents as a share of the population, out of 236 places.

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

St. Charles is less Asian than neighboring Montpelier (0.3% Asian).

St. Charles's Hispanic Population

0 residents of St. Charles, or 0.0% of the population, identify as Hispanic. The share of Hispanic residents in St. Charles is considerably lower than in Idaho overall, where 13.6% of the population is Hispanic. St. Charles ranks 215th statewide in terms of Hispanic residents as a share of the population, out of 236 places.

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

St. Charles is less Hispanic than neighboring Bloomington (2.7% Hispanic), Paris (2% Hispanic), Garden City (1.6% Hispanic), and Montpelier (7.2% Hispanic).

St. Charles's Native American/Other Population

0 residents of St. Charles, 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. Charles is comparable to the share in Idaho overall, where 1.5% of the population is Native American/Other. St. Charles ranks 206th statewide in terms of Native American/Other residents as a share of the population, out of 236 places.

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

St. Charles is less Native American/Other than neighboring Bloomington (8.2% Native American/Other), Paris (1.2% Native American/Other), and Garden City (1.2% Native American/Other).

St. Charles's Multiracial Population

0 residents of St. Charles, or 0.0% of the population, identify as Multiracial. The share of Multiracial residents in St. Charles is slightly lower than in Idaho overall, where 4.2% of the population is Multiracial. St. Charles ranks 232nd statewide in terms of Multiracial residents as a share of the population, out of 236 places.

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

St. Charles is less Multiracial than neighboring Paris (1.1% Multiracial), Garden City (3.6% Multiracial), and Montpelier (2.8% 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.