Iosco County Demographics

A map of Iosco County's Population by Race

Iosco County, Michigan has an estimated population of 25,347, a less than 1% change from the 25,237 recorded in the 2020 Census. The population is 91.3% White, 3.7% Multiracial, 2.8% Hispanic, 0.9% Black, 0.8% Asian, and 0.6% Native American/Other. This demographic dot map shows the population of Iosco County, with one dot drawn for each person counted by the Census, color-coded by race.

Iosco has become more racially diverse since the 2020 Census. It is considerably less diverse than Michigan overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Iosco County, that probability was 15.0% in 2020 and 16.5% in the most recent ACS estimates.

Iosco County is ranked the 58th most populous county in Michigan, out of 83 counties. Iosco County was ranked the 56th most populous county in the 2020 Census.

Iosco County's White Population

23,131 residents of Iosco County, or 91.3% of the population, identify as White. The share of White residents in Iosco County is significantly higher than in Michigan overall, where 72.4% of the population is White. Iosco County ranks 24th statewide in terms of White residents as a share of the population, out of 83 counties.

Since the 2020 Census, Iosco County's White population has remained roughly the same. White residents' share of Iosco County's population has decreased from 92.1% to 91.3%.

Iosco County is less White than neighboring Alcona County (93.1% White), Huron County (93.3% White), Alpena County (92.4% White), Arenac County (93% White), and Tuscola County (91.5% White).

Iosco County's Black Population

232 residents of Iosco County, or 0.9% of the population, identify as Black. The share of Black residents in Iosco County is considerably lower than in Michigan overall, where 13.1% of the population is Black. Iosco County ranks 43rd statewide in terms of Black residents as a share of the population, out of 83 counties.

Since the 2020 Census, Iosco County's Black population has grown by an estimated 41.5%. Black residents' share of Iosco County's population has remained roughly unchanged at 0.9%.

Iosco County is more Black than neighboring Alcona County (0.7% Black), Huron County (0.3% Black), and Arenac County (0.7% Black). Iosco County is less Black than neighboring Alpena County (1% Black), and Tuscola County (1% Black).

Iosco County's Asian Population

198 residents of Iosco County, or 0.8% of the population, identify as Asian. The share of Asian residents in Iosco County is slightly lower than in Michigan overall, where 3.4% of the population is Asian. Iosco County ranks 27th statewide in terms of Asian residents as a share of the population, out of 83 counties.

Since the 2020 Census, Iosco County's Asian population has grown by an estimated 29.4%. Asian residents' share of Iosco County's population has remained roughly unchanged at 0.8%.

Iosco County is more Asian than neighboring Alcona County (0.5% Asian), Huron County (0.6% Asian), Alpena County (0.2% Asian), Arenac County (0.1% Asian), and Tuscola County (0.4% Asian).

Iosco County's Hispanic Population

719 residents of Iosco County, or 2.8% of the population, identify as Hispanic. The share of Hispanic residents in Iosco County is slightly lower than in Michigan overall, where 5.9% of the population is Hispanic. Iosco County ranks 48th statewide in terms of Hispanic residents as a share of the population, out of 83 counties.

Since the 2020 Census, Iosco County's Hispanic population has grown by an estimated 17.9%. Hispanic residents' share of Iosco County's population has remained roughly unchanged at 2.8%.

Iosco County is more Hispanic than neighboring Alcona County (1.7% Hispanic), Alpena County (1.7% Hispanic), and Arenac County (2.2% Hispanic). Iosco County is less Hispanic than neighboring Tuscola County (3.8% Hispanic).

Iosco County's Native American/Other Population

140 residents of Iosco County, or 0.6% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Iosco County is comparable to the share in Michigan overall, where 0.8% of the population is Native American/Other. Iosco County ranks 48th statewide in terms of Native American/Other residents as a share of the population, out of 83 counties.

Since the 2020 Census, Iosco County's Native American/Other population has declined by an estimated 23.5%. Native American/Other residents' share of Iosco County's population has remained roughly unchanged at 0.6%.

Iosco County is more Native American/Other than neighboring Alpena County (0.5% Native American/Other), Arenac County (0.5% Native American/Other), and Tuscola County (0.3% Native American/Other). Iosco County is less Native American/Other than neighboring Alcona County (0.7% Native American/Other), and Huron County (0.7% Native American/Other).

Iosco County's Multiracial Population

927 residents of Iosco County, or 3.7% of the population, identify as Multiracial. The share of Multiracial residents in Iosco County is comparable to the share in Michigan overall, where 4.5% of the population is Multiracial. Iosco County ranks 69th statewide in terms of Multiracial residents as a share of the population, out of 83 counties.

Since the 2020 Census, Iosco County's Multiracial population has grown by an estimated 5.0%. Multiracial residents' share of Iosco County's population has remained roughly unchanged at 3.7%.

Iosco County is more Multiracial than neighboring Alcona County (3.4% Multiracial), Huron County (2.3% Multiracial), Arenac County (3.5% Multiracial), and Tuscola County (3% Multiracial). Iosco County is less Multiracial than neighboring Alpena County (4.2% 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.