Isanti County Demographics

A map of Isanti County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	38,656	37,559	90.8%	91.3%
Multiracial	1,391	1,510	3.3%	3.7%
Hispanic	1,102	896	2.6%	2.2%
Asian	822	488	1.9%	1.2%
Black	370	314	0.9%	0.8%
Native American/Other	255	368	0.6%	0.9%

Isanti County, Minnesota has an estimated population of 42,596, an increase from the 41,135 recorded in the 2020 Census. The population is 90.8% White, 3.3% Multiracial, 2.6% Hispanic, 1.9% Asian, 0.9% Black, and 0.6% Native American/Other. This demographic dot map shows the population of Isanti County, with one dot drawn for each person counted by the Census, color-coded by race.

Isanti has become slightly more racially diverse since the 2020 Census. It is considerably less diverse than Minnesota overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Isanti County, that probability was 16.4% in 2020 and 17.4% in the most recent ACS estimates.

Isanti County is ranked the 24th most populous county in Minnesota, out of 87 counties. Isanti County was ranked the 25th most populous county in the 2020 Census.

Isanti County's White Population

38,656 residents of Isanti County, or 90.8% of the population, identify as White. The share of White residents in Isanti County is considerably higher than in Minnesota overall, where 75.9% of the population is White. Isanti County ranks 24th statewide in terms of White residents as a share of the population, out of 87 counties.

Since the 2020 Census, Isanti County's White population has grown by an estimated 2.9%. White residents' share of Isanti County's population has decreased from 91.3% to 90.8%.

Isanti County is more White than neighboring Anoka County (74.5% White), Chisago County (89.8% White), Sherburne County (85.8% White), and Mille Lacs County (88% White). Isanti County is less White than neighboring Kanabec County (92.7% White).

Isanti County's Black Population

370 residents of Isanti County, or 0.9% of the population, identify as Black. The share of Black residents in Isanti County is lower than in Minnesota overall, where 6.9% of the population is Black. Isanti County ranks 41st statewide in terms of Black residents as a share of the population, out of 87 counties.

Since the 2020 Census, Isanti County's Black population has grown by an estimated 17.8%. Black residents' share of Isanti County's population has remained roughly unchanged at 0.9%.

Isanti County is more Black than neighboring Kanabec County (0.6% Black), and Mille Lacs County (0.4% Black). Isanti County is less Black than neighboring Anoka County (8.8% Black), Chisago County (1.2% Black), and Sherburne County (4% Black).

Isanti County's Asian Population

822 residents of Isanti County, or 1.9% of the population, identify as Asian. The share of Asian residents in Isanti County is slightly lower than in Minnesota overall, where 5.1% of the population is Asian. Isanti County ranks 27th statewide in terms of Asian residents as a share of the population, out of 87 counties.

Since the 2020 Census, Isanti County's Asian population has grown by an estimated 68.4%. Asian residents' share of Isanti County's population has increased from 1.2% to 1.9%.

Isanti County is more Asian than neighboring Kanabec County (0.5% Asian), Sherburne County (1.7% Asian), and Mille Lacs County (0.9% Asian). Isanti County is less Asian than neighboring Anoka County (5.6% Asian), and Chisago County (2% Asian).

Isanti County's Hispanic Population

1,102 residents of Isanti County, or 2.6% of the population, identify as Hispanic. The share of Hispanic residents in Isanti County is slightly lower than in Minnesota overall, where 6.4% of the population is Hispanic. Isanti County ranks 65th statewide in terms of Hispanic residents as a share of the population, out of 87 counties.

Since the 2020 Census, Isanti County's Hispanic population has grown by an estimated 23.0%. Hispanic residents' share of Isanti County's population has remained roughly unchanged at 2.6%.

Isanti County is more Hispanic than neighboring Kanabec County (1.8% Hispanic), and Mille Lacs County (2.3% Hispanic). Isanti County is less Hispanic than neighboring Anoka County (5.8% Hispanic), Chisago County (2.8% Hispanic), and Sherburne County (3.4% Hispanic).

Isanti County's Native American/Other Population

255 residents of Isanti 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 Isanti County is comparable to the share in Minnesota overall, where 1.2% of the population is Native American/Other. Isanti County ranks 40th statewide in terms of Native American/Other residents as a share of the population, out of 87 counties.

Since the 2020 Census, Isanti County's Native American/Other population has declined by an estimated 30.7%. Native American/Other residents' share of Isanti County's population has remained roughly unchanged at 0.6%.

Isanti County is less Native American/Other than neighboring Anoka County (0.7% Native American/Other), Kanabec County (0.8% Native American/Other), Chisago County (0.9% Native American/Other), Sherburne County (0.8% Native American/Other), and Mille Lacs County (4.7% Native American/Other).

Isanti County's Multiracial Population

1,391 residents of Isanti County, or 3.3% of the population, identify as Multiracial. The share of Multiracial residents in Isanti County is comparable to the share in Minnesota overall, where 4.5% of the population is Multiracial. Isanti County ranks 30th statewide in terms of Multiracial residents as a share of the population, out of 87 counties.

Since the 2020 Census, Isanti County's Multiracial population has declined by an estimated 7.9%. Multiracial residents' share of Isanti County's population has remained roughly unchanged at 3.3%.

Isanti County is less Multiracial than neighboring Anoka County (4.6% Multiracial), Kanabec County (3.6% Multiracial), Sherburne County (4.2% Multiracial), and Mille Lacs County (3.6% 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.