Post Falls, ID Demographics
A map of Post Falls's Population by Race
Post Falls, Idaho has an estimated population of 43,391, a large increase from the 38,485 recorded in the 2020 Census. The population is 84.4% White, 7.1% Hispanic, 6.8% Multiracial, 1.0% Native American/Other, 0.6% Asian, and 0.2% Black. This demographic dot map shows the population of Post Falls, with one dot drawn for each person counted by the Census, color-coded by race.
Post Falls has become more 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 Post Falls, that probability was 25.6% in 2020 and 27.9% in the most recent ACS estimates.
Post Falls is ranked the 9th 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). Post Falls was ranked the 10th most populous place in the 2020 Census.
Post Falls's White Population
36,605 residents of Post Falls, or 84.4% of the population, identify as White. The share of White residents in Post Falls is higher than in Idaho overall, where 78.6% of the population is White. Post Falls ranks 120th statewide in terms of White residents as a share of the population, out of 236 places.
Since the 2020 Census, Post Falls's White population has grown by an estimated 10.8%. White residents' share of Post Falls's population has decreased from 85.8% to 84.4%.
Post Falls is more White than neighboring Hauser (84.1% White), and Huetter (72.6% White). Post Falls is less White than neighboring Rathdrum (89% White), State Line (100% White), and Hayden (87.3% White).
Post Falls's Black Population
95 residents of Post Falls, or 0.2% of the population, identify as Black. The share of Black residents in Post Falls is comparable to the share in Idaho overall, where 0.7% of the population is Black. Post Falls ranks 61st statewide in terms of Black residents as a share of the population, out of 236 places.
Since the 2020 Census, Post Falls's Black population has declined by an estimated 29.6%. Black residents' share of Post Falls's population has remained roughly unchanged at 0.2%.
Post Falls is more Black than neighboring Rathdrum (0% Black), Huetter (0% Black), and State Line (0% Black). Post Falls is less Black than neighboring Hauser (1.1% Black), and Hayden (0.5% Black).
Post Falls's Asian Population
241 residents of Post Falls, or 0.6% of the population, identify as Asian. The share of Asian residents in Post Falls is comparable to the share in Idaho overall, where 1.3% of the population is Asian. Post Falls ranks 66th statewide in terms of Asian residents as a share of the population, out of 236 places.
Since the 2020 Census, Post Falls's Asian population has declined by an estimated 14.5%. Asian residents' share of Post Falls's population has remained roughly unchanged at 0.6%.
Post Falls is more Asian than neighboring Huetter (0% Asian), and State Line (0% Asian). Post Falls is less Asian than neighboring Hauser (0.8% Asian), and Hayden (0.8% Asian).
Post Falls's Hispanic Population
3,060 residents of Post Falls, or 7.1% of the population, identify as Hispanic. The share of Hispanic residents in Post Falls is lower than in Idaho overall, where 13.6% of the population is Hispanic. Post Falls ranks 118th statewide in terms of Hispanic residents as a share of the population, out of 236 places.
Since the 2020 Census, Post Falls's Hispanic population has grown by an estimated 29.8%. Hispanic residents' share of Post Falls's population has increased from 6.1% to 7.1%.
Post Falls is more Hispanic than neighboring Rathdrum (3.7% Hispanic), Hauser (5% Hispanic), State Line (0% Hispanic), and Hayden (6.5% Hispanic). Post Falls is less Hispanic than neighboring Huetter (12.3% Hispanic).
Post Falls's Native American/Other Population
426 residents of Post Falls, or 1.0% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Post Falls is comparable to the share in Idaho overall, where 1.5% of the population is Native American/Other. Post Falls ranks 74th statewide in terms of Native American/Other residents as a share of the population, out of 236 places.
Since the 2020 Census, Post Falls's Native American/Other population has declined by an estimated 24.6%. Native American/Other residents' share of Post Falls's population has decreased from 1.5% to 1.0%.
Post Falls is more Native American/Other than neighboring Rathdrum (0.4% Native American/Other), Hauser (0.6% Native American/Other), State Line (0% Native American/Other), and Hayden (0.4% Native American/Other). Post Falls is less Native American/Other than neighboring Huetter (3.8% Native American/Other).
Post Falls's Multiracial Population
2,964 residents of Post Falls, or 6.8% of the population, identify as Multiracial. The share of Multiracial residents in Post Falls is slightly higher than in Idaho overall, where 4.2% of the population is Multiracial. Post Falls ranks 44th statewide in terms of Multiracial residents as a share of the population, out of 236 places.
Since the 2020 Census, Post Falls's Multiracial population has grown by an estimated 40.4%. Multiracial residents' share of Post Falls's population has increased from 5.5% to 6.8%.
Post Falls is more Multiracial than neighboring Rathdrum (6.3% Multiracial), State Line (0% Multiracial), and Hayden (4.6% Multiracial). Post Falls is less Multiracial than neighboring Hauser (8.4% Multiracial), and Huetter (11.3% 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.