Lannon, WI Demographics

A map of Lannon's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	1,308	1,175	88.3%	86.7%
Asian	77	58	5.2%	4.3%
Native American/Other	63	4	4.3%	0.3%
Hispanic	18	39	1.2%	2.9%
Black	8	15	0.5%	1.1%
Multiracial	8	64	0.5%	4.7%

Lannon, Wisconsin has an estimated population of 1,482, an increase from the 1,355 recorded in the 2020 Census. The population is 88.3% White, 5.2% Asian, 4.3% Native American/Other, 1.2% Hispanic, 0.5% Black, and 0.5% Multiracial. This demographic dot map shows the population of Lannon, with one dot drawn for each person counted by the Census, color-coded by race.

Lannon has become less 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 Lannon, that probability was 24.3% in 2020 and 21.6% in the most recent ACS estimates.

Lannon is ranked the 318th most populous place in Wisconsin, out of 808 places. This ranking is based on the Census definition of a place, which includes incorporated places like cities, towns, and villages, as well as unincorporated census-designated places (CDPs). Lannon was ranked the 341st most populous place in the 2020 Census.

Lannon's White Population

1,308 residents of Lannon, or 88.3% of the population, identify as White. The share of White residents in Lannon is higher than in Wisconsin overall, where 78.6% of the population is White. Lannon ranks 602nd statewide in terms of White residents as a share of the population, out of 808 places.

Since the 2020 Census, Lannon's White population has grown by an estimated 11.3%. White residents' share of Lannon's population has increased from 86.7% to 88.3%.

Lannon is more White than neighboring Menomonee Falls (82.4% White), Sussex (83.5% White), Germantown (84.2% White), Brookfield (77.5% White), and Butler (81.3% White).

Lannon's Black Population

8 residents of Lannon, or 0.5% of the population, identify as Black. The share of Black residents in Lannon is lower than in Wisconsin overall, where 5.9% of the population is Black. Lannon ranks 177th statewide in terms of Black residents as a share of the population, out of 808 places.

Since the 2020 Census, Lannon's Black population has declined by an estimated 46.7%. Black residents' share of Lannon's population has decreased from 1.1% to 0.5%.

Lannon is less Black than neighboring Menomonee Falls (3.6% Black), Sussex (1.9% Black), Germantown (3.7% Black), Brookfield (1.4% Black), and Butler (5.4% Black).

Lannon's Asian Population

77 residents of Lannon, or 5.2% of the population, identify as Asian. The share of Asian residents in Lannon is slightly higher than in Wisconsin overall, where 2.9% of the population is Asian. Lannon ranks 45th statewide in terms of Asian residents as a share of the population, out of 808 places.

Since the 2020 Census, Lannon's Asian population has grown by an estimated 32.8%. Asian residents' share of Lannon's population has increased from 4.3% to 5.2%.

Lannon is less Asian than neighboring Menomonee Falls (5.6% Asian), Sussex (8% Asian), Germantown (5.6% Asian), Brookfield (11.2% Asian), and Butler (6.5% Asian).

Lannon's Hispanic Population

18 residents of Lannon, or 1.2% of the population, identify as Hispanic. The share of Hispanic residents in Lannon is lower than in Wisconsin overall, where 8% of the population is Hispanic. Lannon ranks 429th statewide in terms of Hispanic residents as a share of the population, out of 808 places.

Since the 2020 Census, Lannon's Hispanic population has declined by an estimated 53.8%. Hispanic residents' share of Lannon's population has decreased from 2.9% to 1.2%.

Lannon is less Hispanic than neighboring Menomonee Falls (4.8% Hispanic), Sussex (1.9% Hispanic), Germantown (3.1% Hispanic), Brookfield (4.4% Hispanic), and Butler (4.2% Hispanic).

Lannon's Native American/Other Population

63 residents of Lannon, or 4.3% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Lannon is slightly higher than in Wisconsin overall, where 0.9% of the population is Native American/Other. Lannon ranks 615th statewide in terms of Native American/Other residents as a share of the population, out of 808 places.

Since the 2020 Census, Lannon's Native American/Other population has grown by an estimated 1475.0%. Native American/Other residents' share of Lannon's population has increased from 0.3% to 4.3%.

Lannon is more Native American/Other than neighboring Menomonee Falls (0.8% Native American/Other), Sussex (0.1% Native American/Other), Germantown (0.3% Native American/Other), Brookfield (0.7% Native American/Other), and Butler (0.2% Native American/Other).

Lannon's Multiracial Population

8 residents of Lannon, or 0.5% of the population, identify as Multiracial. The share of Multiracial residents in Lannon is slightly lower than in Wisconsin overall, where 3.7% of the population is Multiracial. Lannon ranks 98th statewide in terms of Multiracial residents as a share of the population, out of 808 places.

Since the 2020 Census, Lannon's Multiracial population has declined by an estimated 87.5%. Multiracial residents' share of Lannon's population has decreased from 4.7% to 0.5%.

Lannon is less Multiracial than neighboring Menomonee Falls (2.8% Multiracial), Sussex (4.6% Multiracial), Germantown (3.1% Multiracial), Brookfield (4.8% Multiracial), and Butler (2.4% 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.