Onalaska, WI Population

Overview

18,760

Total Population

39.6

Median age

53.12%

Female population %

88.2:100

Gender ratio (M:F)

20-24 years

Largest age group

56.1

Total dependency ratio

White

Largest racial group

349

Hispanic population

Sources: U.S. Census Bureau, American Community Survey (ACS) 2021

TABLE OF CONTENTS

Age

Onalaska's population is old compared to the rest of the country:

The median age in Onalaska is 39.6, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Onalaska's population under 18 was 21.09%, compared to the 22.51% nationwide.
Onalaska's elderly or the senior population (over 65 age) was 19.42% as compared to 16.04% nationwide.
Of the total population in Onalaska, 16.51% were under the age of 15, 19.80% aged 15 to 29, 44.26% aged 30 to 64, 15.21% aged 65 to 84, and 4.21% were 85 years of age and older.

There are 1,172 more females than males in Onalaska:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 53.12% females and 46.88% males in Onalaska, WI.
The Onalaska, WI gender ratio is 88.2:100 i.e. 88.2 men to 100 women (0.882).
For male population, the largest age group is 20-24 years with a population of 775.
For the female population, the largest age group is 20-24 years with a population of 753.

Onalaska's population has become increasingly diverse:

Racial distribution of Onalaska population: 87.05% are White, 2.47% are Black or African American, 0.10% are American Indian and Alaska Native, 6.67% are Asian, 0.12% are Native Hawaiian and other Pacific Islander, 0.45% are some other race and 3.13% are multiracial.
Onalaska's racial breakdown clearly shows that there is an absolute majority of White population in the city.
By ethnicity, 349 is Hispanic or Latino (of any race), and 18,411 (98.14% of the total population) is Non-Hispanic.
The largest racial group in Onalaska is White with a population of 16,331 (87.05% of the total population).

Onalaska's population has not reached its peak yet and is showing a trend of further growth:

The peak population was 18,975 in the year 2022
From 2000 to 2010, Onalaska's population increased by 2,858 (19.11%), as compared to the national growth of 9.63%.
From 2010 to 2020, Onalaska's population increased by 1,058 (5.94%), according to Census Bureau's Population Estimates Program. For the same period, the rate of growth for the United States was 7.17%.
Between the year 2000 and 2022, Onalaska's population was lowest in year 2000 at 14,952.