Alto, WI Demographics

A map of Alto's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	122	157	100.0%	94.6%
Black	0	0	0.0%	0.0%
Asian	0	2	0.0%	1.2%
Hispanic	0	5	0.0%	3.0%
Native American/Other	0	1	0.0%	0.6%
Multiracial	0	1	0.0%	0.6%

Alto, Wisconsin has an estimated population of 122, a large decrease from the 166 recorded in the 2020 Census. The population is 100.0% White, 0.0% Black, 0.0% Asian, 0.0% Hispanic, 0.0% Native American/Other, and 0.0% Multiracial. This demographic dot map shows the population of Alto, with one dot drawn for each person counted by the Census, color-coded by race.

Alto has become considerably 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 Alto, that probability was 10.4% in 2020 and 0.0% in the most recent ACS estimates.

Alto is ranked the 747th 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). Alto was ranked the 719th most populous place in the 2020 Census.

Alto's White Population

122 residents of Alto, or 100.0% of the population, identify as White. The share of White residents in Alto is significantly higher than in Wisconsin overall, where 78.6% of the population is White. Alto ranks 143rd statewide in terms of White residents as a share of the population, out of 808 places.

Since the 2020 Census, Alto's White population has declined by an estimated 22.3%. White residents' share of Alto's population has increased from 94.6% to 100.0%.

Alto is more White than neighboring Brandon (80.9% White), Waupun (75.7% White), Fairwater (88.6% White), Fox Lake (81% White), and Ripon (90% White).

Alto's Black Population

0 residents of Alto, or 0.0% of the population, identify as Black. The share of Black residents in Alto is lower than in Wisconsin overall, where 5.9% of the population is Black. Alto ranks 606th statewide in terms of Black residents as a share of the population, out of 808 places.

Since the 2020 Census, Alto's Black population has grown from 0 to an estimated 0. Black residents' share of Alto's population has remained roughly unchanged at 0.0%.

Alto is less Black than neighboring Brandon (8.4% Black), Waupun (10.4% Black), Fairwater (1.7% Black), Fox Lake (1.5% Black), and Ripon (0.5% Black).

Alto's Asian Population

0 residents of Alto, or 0.0% of the population, identify as Asian. The share of Asian residents in Alto is slightly lower than in Wisconsin overall, where 2.9% of the population is Asian. Alto ranks 167th statewide in terms of Asian residents as a share of the population, out of 808 places.

Since the 2020 Census, Alto's Asian population has declined by an estimated 100.0%. Asian residents' share of Alto's population has decreased from 1.2% to 0.0%.

Alto is less Asian than neighboring Brandon (0.2% Asian), Waupun (1.2% Asian), Fairwater (0.6% Asian), and Ripon (0.3% Asian).

Alto's Hispanic Population

0 residents of Alto, or 0.0% of the population, identify as Hispanic. The share of Hispanic residents in Alto is lower than in Wisconsin overall, where 8% of the population is Hispanic. Alto ranks 407th statewide in terms of Hispanic residents as a share of the population, out of 808 places.

Since the 2020 Census, Alto's Hispanic population has declined by an estimated 100.0%. Hispanic residents' share of Alto's population has decreased from 3.0% to 0.0%.

Alto is less Hispanic than neighboring Brandon (2.4% Hispanic), Waupun (9.3% Hispanic), Fairwater (8% Hispanic), Fox Lake (5.5% Hispanic), and Ripon (5.6% Hispanic).

Alto's Native American/Other Population

0 residents of Alto, or 0.0% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Alto is comparable to the share in Wisconsin overall, where 0.9% of the population is Native American/Other. Alto ranks 400th statewide in terms of Native American/Other residents as a share of the population, out of 808 places.

Since the 2020 Census, Alto's Native American/Other population has declined by an estimated 100.0%. Native American/Other residents' share of Alto's population has decreased from 0.6% to 0.0%.

Alto is less Native American/Other than neighboring Brandon (1.1% Native American/Other), Waupun (1.2% Native American/Other), Fox Lake (0.1% Native American/Other), and Ripon (1.7% Native American/Other).

Alto's Multiracial Population

0 residents of Alto, or 0.0% of the population, identify as Multiracial. The share of Multiracial residents in Alto is slightly lower than in Wisconsin overall, where 3.7% of the population is Multiracial. Alto ranks 780th statewide in terms of Multiracial residents as a share of the population, out of 808 places.

Since the 2020 Census, Alto's Multiracial population has declined by an estimated 100.0%. Multiracial residents' share of Alto's population has decreased from 0.6% to 0.0%.

Alto is less Multiracial than neighboring Brandon (6.9% Multiracial), Waupun (2.1% Multiracial), Fairwater (1.1% Multiracial), Fox Lake (11.9% Multiracial), and Ripon (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.