Delta County Demographics

A map of Delta County's Population by Race

Delta County, Michigan has an estimated population of 36,813, a less than 1% change from the 36,903 recorded in the 2020 Census. The population is 89.9% White, 6.1% Multiracial, 1.8% Native American/Other, 1.5% Hispanic, 0.5% Asian, and 0.2% Black. This demographic dot map shows the population of Delta County, with one dot drawn for each person counted by the Census, color-coded by race.

Delta 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 Delta County, that probability was 17.6% in 2020 and 18.7% in the most recent ACS estimates.

Delta County is ranked the 43rd most populous county in Michigan, out of 83 counties. Delta County was ranked the 43rd most populous county in the 2020 Census.

Delta County's White Population

33,107 residents of Delta County, or 89.9% of the population, identify as White. The share of White residents in Delta County is significantly higher than in Michigan overall, where 72.4% of the population is White. Delta County ranks 33rd statewide in terms of White residents as a share of the population, out of 83 counties.

Since the 2020 Census, Delta County's White population has remained roughly the same. White residents' share of Delta County's population has decreased from 90.6% to 89.9%.

Delta County is more White than neighboring Schoolcraft County (81.7% White), and Leelanau County (89% White). Delta County is less White than neighboring Menominee County (91.1% White), Door County (91.5% White), and Dickinson County (92.3% White).

Delta County's Black Population

69 residents of Delta County, or 0.2% of the population, identify as Black. The share of Black residents in Delta County is considerably lower than in Michigan overall, where 13.1% of the population is Black. Delta County ranks 68th statewide in terms of Black residents as a share of the population, out of 83 counties.

Since the 2020 Census, Delta County's Black population has declined by an estimated 25.8%. Black residents' share of Delta County's population has remained roughly unchanged at 0.2%.

Delta County is more Black than neighboring Door County (0% Black). Delta County is less Black than neighboring Menominee County (0.4% Black), Schoolcraft County (0.5% Black), Dickinson County (0.3% Black), and Leelanau County (0.6% Black).

Delta County's Asian Population

176 residents of Delta County, or 0.5% of the population, identify as Asian. The share of Asian residents in Delta County is slightly lower than in Michigan overall, where 3.4% of the population is Asian. Delta County ranks 45th statewide in terms of Asian residents as a share of the population, out of 83 counties.

Since the 2020 Census, Delta County's Asian population has grown by an estimated 15.0%. Asian residents' share of Delta County's population has remained roughly unchanged at 0.5%.

Delta County is more Asian than neighboring Menominee County (0.4% Asian), Schoolcraft County (0.2% Asian), and Dickinson County (0.3% Asian).

Delta County's Hispanic Population

560 residents of Delta County, or 1.5% of the population, identify as Hispanic. The share of Hispanic residents in Delta County is slightly lower than in Michigan overall, where 5.9% of the population is Hispanic. Delta County ranks 72nd statewide in terms of Hispanic residents as a share of the population, out of 83 counties.

Since the 2020 Census, Delta County's Hispanic population has grown by an estimated 3.1%. Hispanic residents' share of Delta County's population has remained roughly unchanged at 1.5%.

Delta County is less Hispanic than neighboring Menominee County (2.4% Hispanic), Schoolcraft County (1.7% Hispanic), Door County (4.2% Hispanic), Dickinson County (2% Hispanic), and Leelanau County (4.3% Hispanic).

Delta County's Native American/Other Population

646 residents of Delta County, or 1.8% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Delta County is comparable to the share in Michigan overall, where 0.8% of the population is Native American/Other. Delta County ranks 13th statewide in terms of Native American/Other residents as a share of the population, out of 83 counties.

Since the 2020 Census, Delta County's Native American/Other population has declined by an estimated 28.9%. Native American/Other residents' share of Delta County's population has decreased from 2.5% to 1.8%.

Delta County is more Native American/Other than neighboring Door County (0.4% Native American/Other), and Dickinson County (1.1% Native American/Other). Delta County is less Native American/Other than neighboring Menominee County (2.1% Native American/Other), Schoolcraft County (7.4% Native American/Other), and Leelanau County (2.4% Native American/Other).

Delta County's Multiracial Population

2,255 residents of Delta County, or 6.1% of the population, identify as Multiracial. The share of Multiracial residents in Delta County is comparable to the share in Michigan overall, where 4.5% of the population is Multiracial. Delta County ranks 21st statewide in terms of Multiracial residents as a share of the population, out of 83 counties.

Since the 2020 Census, Delta County's Multiracial population has grown by an estimated 27.8%. Multiracial residents' share of Delta County's population has increased from 4.8% to 6.1%.

Delta County is more Multiracial than neighboring Menominee County (3.6% Multiracial), Door County (3.4% Multiracial), Dickinson County (4% Multiracial), and Leelanau County (3.2% Multiracial). Delta County is less Multiracial than neighboring Schoolcraft County (8.6% 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.