Richland County Demographics

A map of Richland County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	15,839	16,014	92.1%	92.5%
Hispanic	563	526	3.3%	3.0%
Multiracial	481	511	2.8%	3.0%
Asian	158	95	0.9%	0.5%
Native American/Other	109	66	0.6%	0.4%
Black	55	92	0.3%	0.5%

Richland County, Wisconsin has an estimated population of 17,205, a less than 1% change from the 17,304 recorded in the 2020 Census. The population is 92.1% White, 3.3% Hispanic, 2.8% Multiracial, 0.9% Asian, 0.6% Native American/Other, and 0.3% Black. This demographic dot map shows the population of Richland County, with one dot drawn for each person counted by the Census, color-coded by race.

Richland has become slightly more racially diverse since the 2020 Census. It is considerably less diverse than Wisconsin overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Richland County, that probability was 14.2% in 2020 and 15.0% in the most recent ACS estimates.

Richland County is ranked the 57th most populous county in Wisconsin, out of 72 counties. Richland County was ranked the 57th most populous county in the 2020 Census.

Richland County's White Population

15,839 residents of Richland County, or 92.1% of the population, identify as White. The share of White residents in Richland County is considerably higher than in Wisconsin overall, where 78.6% of the population is White. Richland County ranks 18th statewide in terms of White residents as a share of the population, out of 72 counties.

Since the 2020 Census, Richland County's White population has declined by an estimated 1.1%. White residents' share of Richland County's population has remained roughly unchanged at 92.1%.

Richland County is more White than neighboring Sauk County (86.3% White). Richland County is less White than neighboring Vernon County (94.3% White), Iowa County (92.4% White), Crawford County (92.7% White), and Grant County (93% White).

Richland County's Black Population

55 residents of Richland County, or 0.3% of the population, identify as Black. The share of Black residents in Richland County is lower than in Wisconsin overall, where 5.9% of the population is Black. Richland County ranks 44th statewide in terms of Black residents as a share of the population, out of 72 counties.

Since the 2020 Census, Richland County's Black population has declined by an estimated 40.2%. Black residents' share of Richland County's population has remained roughly unchanged at 0.3%.

Richland County is less Black than neighboring Iowa County (0.8% Black), Sauk County (0.8% Black), Crawford County (1.6% Black), and Grant County (1.5% Black).

Richland County's Asian Population

158 residents of Richland County, or 0.9% of the population, identify as Asian. The share of Asian residents in Richland County is comparable to the share in Wisconsin overall, where 2.9% of the population is Asian. Richland County ranks 36th statewide in terms of Asian residents as a share of the population, out of 72 counties.

Since the 2020 Census, Richland County's Asian population has grown by an estimated 66.3%. Asian residents' share of Richland County's population has remained roughly unchanged at 0.9%.

Richland County is more Asian than neighboring Vernon County (0.2% Asian), Sauk County (0.4% Asian), Crawford County (0.5% Asian), and Grant County (0.7% Asian).

Richland County's Hispanic Population

563 residents of Richland County, or 3.3% of the population, identify as Hispanic. The share of Hispanic residents in Richland County is slightly lower than in Wisconsin overall, where 8% of the population is Hispanic. Richland County ranks 38th statewide in terms of Hispanic residents as a share of the population, out of 72 counties.

Since the 2020 Census, Richland County's Hispanic population has grown by an estimated 7.0%. Hispanic residents' share of Richland County's population has remained roughly unchanged at 3.3%.

Richland County is more Hispanic than neighboring Vernon County (1.8% Hispanic), Iowa County (2.3% Hispanic), Crawford County (2% Hispanic), and Grant County (2.6% Hispanic). Richland County is less Hispanic than neighboring Sauk County (6.8% Hispanic).

Richland County's Native American/Other Population

109 residents of Richland 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 Richland County is comparable to the share in Wisconsin overall, where 0.9% of the population is Native American/Other. Richland County ranks 67th statewide in terms of Native American/Other residents as a share of the population, out of 72 counties.

Since the 2020 Census, Richland County's Native American/Other population has grown by an estimated 65.2%. Native American/Other residents' share of Richland County's population has remained roughly unchanged at 0.6%.

Richland County is more Native American/Other than neighboring Vernon County (0.4% Native American/Other), Iowa County (0.4% Native American/Other), Crawford County (0.5% Native American/Other), and Grant County (0.4% Native American/Other). Richland County is less Native American/Other than neighboring Sauk County (1.3% Native American/Other).

Richland County's Multiracial Population

481 residents of Richland County, or 2.8% of the population, identify as Multiracial. The share of Multiracial residents in Richland County is comparable to the share in Wisconsin overall, where 3.7% of the population is Multiracial. Richland County ranks 43rd statewide in terms of Multiracial residents as a share of the population, out of 72 counties.

Since the 2020 Census, Richland County's Multiracial population has declined by an estimated 5.9%. Multiracial residents' share of Richland County's population has remained roughly unchanged at 2.8%.

Richland County is more Multiracial than neighboring Grant County (1.9% Multiracial). Richland County is less Multiracial than neighboring Vernon County (3.1% Multiracial), Iowa County (3.3% Multiracial), and Sauk County (4.4% 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.