Hillsdale County Demographics

A map of Hillsdale County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	42,051	42,145	92.1%	92.1%
Multiracial	1,661	1,771	3.6%	3.9%
Hispanic	1,283	1,172	2.8%	2.6%
Black	313	196	0.7%	0.4%
Native American/Other	229	286	0.5%	0.6%
Asian	117	176	0.3%	0.4%

Hillsdale County, Michigan has an estimated population of 45,654, a less than 1% change from the 45,746 recorded in the 2020 Census. The population is 92.1% White, 3.6% Multiracial, 2.8% Hispanic, 0.7% Black, 0.5% Native American/Other, and 0.3% Asian. This demographic dot map shows the population of Hillsdale County, with one dot drawn for each person counted by the Census, color-coded by race.

Hillsdale is about as racially diverse as it was in 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 Hillsdale County, that probability was 14.9% in 2020 and 14.9% in the most recent ACS estimates.

Hillsdale County is ranked the 37th most populous county in Michigan, out of 83 counties. Hillsdale County was ranked the 37th most populous county in the 2020 Census.

Hillsdale County's White Population

42,051 residents of Hillsdale County, or 92.1% of the population, identify as White. The share of White residents in Hillsdale County is significantly higher than in Michigan overall, where 72.4% of the population is White. Hillsdale County ranks 22nd statewide in terms of White residents as a share of the population, out of 83 counties.

Since the 2020 Census, Hillsdale County's White population has remained roughly the same. White residents' share of Hillsdale County's population has remained roughly unchanged at 92.1%.

Hillsdale County is more White than neighboring Williams County (90.8% White), Jackson County (82% White), Branch County (86.4% White), Steuben County (91.4% White), and Lenawee County (84.8% White).

Hillsdale County's Black Population

313 residents of Hillsdale County, or 0.7% of the population, identify as Black. The share of Black residents in Hillsdale County is considerably lower than in Michigan overall, where 13.1% of the population is Black. Hillsdale County ranks 56th statewide in terms of Black residents as a share of the population, out of 83 counties.

Since the 2020 Census, Hillsdale County's Black population has grown by an estimated 59.7%. Black residents' share of Hillsdale County's population has remained roughly unchanged at 0.7%.

Hillsdale County is more Black than neighboring Williams County (0.6% Black). Hillsdale County is less Black than neighboring Jackson County (7.4% Black), Branch County (1.7% Black), and Lenawee County (2.3% Black).

Hillsdale County's Asian Population

117 residents of Hillsdale County, or 0.3% of the population, identify as Asian. The share of Asian residents in Hillsdale County is slightly lower than in Michigan overall, where 3.4% of the population is Asian. Hillsdale County ranks 52nd statewide in terms of Asian residents as a share of the population, out of 83 counties.

Since the 2020 Census, Hillsdale County's Asian population has declined by an estimated 33.5%. Asian residents' share of Hillsdale County's population has remained roughly unchanged at 0.3%.

Hillsdale County is less Asian than neighboring Williams County (0.7% Asian), Jackson County (0.8% Asian), Branch County (0.4% Asian), and Steuben County (0.7% Asian).

Hillsdale County's Hispanic Population

1,283 residents of Hillsdale County, or 2.8% of the population, identify as Hispanic. The share of Hispanic residents in Hillsdale County is slightly lower than in Michigan overall, where 5.9% of the population is Hispanic. Hillsdale County ranks 47th statewide in terms of Hispanic residents as a share of the population, out of 83 counties.

Since the 2020 Census, Hillsdale County's Hispanic population has grown by an estimated 9.5%. Hispanic residents' share of Hillsdale County's population has remained roughly unchanged at 2.8%.

Hillsdale County is less Hispanic than neighboring Williams County (5.4% Hispanic), Jackson County (4.1% Hispanic), Branch County (6.8% Hispanic), Steuben County (4.5% Hispanic), and Lenawee County (8.9% Hispanic).

Hillsdale County's Native American/Other Population

229 residents of Hillsdale County, or 0.5% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Hillsdale County is comparable to the share in Michigan overall, where 0.8% of the population is Native American/Other. Hillsdale County ranks 64th statewide in terms of Native American/Other residents as a share of the population, out of 83 counties.

Since the 2020 Census, Hillsdale County's Native American/Other population has declined by an estimated 19.9%. Native American/Other residents' share of Hillsdale County's population has remained roughly unchanged at 0.5%.

Hillsdale County is more Native American/Other than neighboring Williams County (0.2% Native American/Other), and Lenawee County (0.4% Native American/Other). Hillsdale County is less Native American/Other than neighboring Branch County (0.6% Native American/Other), and Steuben County (0.6% Native American/Other).

Hillsdale County's Multiracial Population

1,661 residents of Hillsdale County, or 3.6% of the population, identify as Multiracial. The share of Multiracial residents in Hillsdale County is comparable to the share in Michigan overall, where 4.5% of the population is Multiracial. Hillsdale County ranks 52nd statewide in terms of Multiracial residents as a share of the population, out of 83 counties.

Since the 2020 Census, Hillsdale County's Multiracial population has declined by an estimated 6.2%. Multiracial residents' share of Hillsdale County's population has remained roughly unchanged at 3.6%.

Hillsdale County is more Multiracial than neighboring Williams County (2.3% Multiracial), Steuben County (2.2% Multiracial), and Lenawee County (3.3% Multiracial). Hillsdale County is less Multiracial than neighboring Jackson County (5.4% Multiracial), and Branch County (4.1% 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.