Lafayette County Demographics

A map of Lafayette County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	15,201	15,081	89.7%	90.8%
Hispanic	1,200	1,089	7.1%	6.6%
Multiracial	310	335	1.8%	2.0%
Asian	90	36	0.5%	0.2%
Native American/Other	79	43	0.5%	0.3%
Black	62	27	0.4%	0.2%

Lafayette County, Wisconsin has an estimated population of 16,942, a slight increase from the 16,611 recorded in the 2020 Census. The population is 89.7% White, 7.1% Hispanic, 1.8% Multiracial, 0.5% Asian, 0.5% Native American/Other, and 0.4% Black. This demographic dot map shows the population of Lafayette County, with one dot drawn for each person counted by the Census, color-coded by race.

Lafayette has become 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 Lafayette County, that probability was 17.1% in 2020 and 18.9% in the most recent ACS estimates.

Lafayette County is ranked the 58th most populous county in Wisconsin, out of 72 counties. Lafayette County was ranked the 59th most populous county in the 2020 Census.

Lafayette County's White Population

15,201 residents of Lafayette County, or 89.7% of the population, identify as White. The share of White residents in Lafayette County is considerably higher than in Wisconsin overall, where 78.6% of the population is White. Lafayette County ranks 29th statewide in terms of White residents as a share of the population, out of 72 counties.

Since the 2020 Census, Lafayette County's White population has remained roughly the same. White residents' share of Lafayette County's population has decreased from 90.8% to 89.7%.

Lafayette County is more White than neighboring Stephenson County (78.9% White). Lafayette County is less White than neighboring Jo Daviess County (91.9% White), Iowa County (92.4% White), Green County (92% White), and Grant County (93% White).

Lafayette County's Black Population

62 residents of Lafayette County, or 0.4% of the population, identify as Black. The share of Black residents in Lafayette County is lower than in Wisconsin overall, where 5.9% of the population is Black. Lafayette County ranks 71st statewide in terms of Black residents as a share of the population, out of 72 counties.

Since the 2020 Census, Lafayette County's Black population has grown by an estimated 129.6%. Black residents' share of Lafayette County's population has remained roughly unchanged at 0.4%.

Lafayette County is less Black than neighboring Jo Daviess County (0.8% Black), Iowa County (0.8% Black), Green County (0.8% Black), Stephenson County (8.5% Black), and Grant County (1.5% Black).

Lafayette County's Asian Population

90 residents of Lafayette County, or 0.5% of the population, identify as Asian. The share of Asian residents in Lafayette County is slightly lower than in Wisconsin overall, where 2.9% of the population is Asian. Lafayette County ranks 67th statewide in terms of Asian residents as a share of the population, out of 72 counties.

Since the 2020 Census, Lafayette County's Asian population has grown by an estimated 150.0%. Asian residents' share of Lafayette County's population has remained roughly unchanged at 0.5%.

Lafayette County is less Asian than neighboring Iowa County (0.9% Asian), Green County (0.6% Asian), Stephenson County (0.8% Asian), and Grant County (0.7% Asian).

Lafayette County's Hispanic Population

1,200 residents of Lafayette County, or 7.1% of the population, identify as Hispanic. The share of Hispanic residents in Lafayette County is comparable to the share in Wisconsin overall, where 8% of the population is Hispanic. Lafayette County ranks 12th statewide in terms of Hispanic residents as a share of the population, out of 72 counties.

Since the 2020 Census, Lafayette County's Hispanic population has grown by an estimated 10.2%. Hispanic residents' share of Lafayette County's population has increased from 6.6% to 7.1%.

Lafayette County is more Hispanic than neighboring Jo Daviess County (4.2% Hispanic), Iowa County (2.3% Hispanic), Green County (4.2% Hispanic), Stephenson County (5.6% Hispanic), and Grant County (2.6% Hispanic).

Lafayette County's Native American/Other Population

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

Since the 2020 Census, Lafayette County's Native American/Other population has grown by an estimated 83.7%. Native American/Other residents' share of Lafayette County's population has remained roughly unchanged at 0.5%.

Lafayette County is more Native American/Other than neighboring Iowa County (0.4% Native American/Other), Green County (0.3% Native American/Other), and Grant County (0.4% Native American/Other). Lafayette County is less Native American/Other than neighboring Stephenson County (0.6% Native American/Other).

Lafayette County's Multiracial Population

310 residents of Lafayette County, or 1.8% of the population, identify as Multiracial. The share of Multiracial residents in Lafayette County is comparable to the share in Wisconsin overall, where 3.7% of the population is Multiracial. Lafayette County ranks 70th statewide in terms of Multiracial residents as a share of the population, out of 72 counties.

Since the 2020 Census, Lafayette County's Multiracial population has declined by an estimated 7.5%. Multiracial residents' share of Lafayette County's population has remained roughly unchanged at 1.8%.

Lafayette County is less Multiracial than neighboring Jo Daviess County (2.2% Multiracial), Iowa County (3.3% Multiracial), Green County (2.1% Multiracial), Stephenson County (5.6% Multiracial), and Grant County (1.9% 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.