Onalaska, Wisconsin Population 2021

19,483
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Onalaska is a city located in Wisconsin. With a 2020 population of 19,483, it is the 42nd largest city in Wisconsin and the 1901st largest city in the United States. Onalaska is currently growing at a rate of 1.41% annually and its population has increased by 9.85% since the most recent census, which recorded a population of 17,736 in 2010. Onalaska reached it's highest population of 19,483 in 2021. Spanning over 11 miles, Onalaska has a population density of 1,901 people per square mile.

The average household income in Onalaska is $91,969 with a poverty rate of 6.70%. The median rental costs in recent years comes to $890 per month, and the median house value is $196,600. The median age in Onalaska is 40.6 years, 39.8 years for males, and 41.7 years for females. For every 100 females there are 87.1 males.

Onalaska Demographics

According to the most recent ACS, the racial composition of Onalaska was:

  • White: 86.98%
  • Asian: 8.32%
  • Two or more races: 2.62%
  • Black or African American: 1.56%
  • Other race: 0.47%
  • Native American: 0.04%
  • Native Hawaiian or Pacific Islander: 0.00%
The current population of Onalaska, Wisconsin is 19,483, based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 18,673.The last official US Census in 2010 recorded the population at 17,736.

Onalaska, Wisconsin Population 2021

2019 and 2020 population is estimated by projecting the raw 2018 numbers.

Year Total Population Growth Annual Growth Rate
2021136,62230.00%
2020136,61930.00%
2019136,61630.00%
2018136,613-97-0.07%
2017136,7103260.24%
2016136,384-1-0.00%
2015136,3852450.18%
2014136,1404850.36%
2013135,6553480.26%
2012135,3071,2010.89%
2011134,1062090.16%
2010133,8970.00%

Onalaska Metro Area Population by Year

Population by Race

Race Population Percentage
White16,23386.98%
Asian1,5528.32%
Two or More Races4892.62%
Black or African American2921.56%
Some Other Race880.47%
American Indian and Alaska Native80.04%
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Onalaska Population by Race

Onalaska Population Pyramid 2021

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Onalaska Median Age

40.6


Total

39.8


Male

41.7


Female

Onalaska Adults

There are 14,467 adults, (3,675 of whom are seniors) in Onalaska.

Onalaska Age Dependency

72.9

Age Dependency Ratio

34.1

Old Age Dependency Ratio

38.9

Child Dependency Ratio

Onalaska Sex Ratio

Female

9,976

53.46%

Male

8,686

46.54%

Onalaska Population by Age

Onalaska Renter vs Owner Occupied by Household Type

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Onalaska Household Types

Type Owner Renter
Married86.5%13.5%
Male72.1%27.9%
All65.2%34.8%
Non Family46.7%53.3%
Female39.9%60.1%

65.2%

Rate of Home Ownership

Onalaska Households and Families

Type Count Average Size Owned
All7,9202.3465.2
Married3,6243.0686.5
Non Family3,1921.3446.7
Female8142.9639.9
Male2902.6772.1

2.95

Average Family Size

2.34

Average Household Size

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Onalaska Households by Type

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Education Attained Count Percentage
Less Than 9th Grade2822.20%
9th to 12th Grade4213.28%
High School Graduate2,89622.55%
Some College2,94622.93%
Associates Degree1,74913.62%
Bachelors Degree2,77521.60%
Graduate Degree1,77613.83%
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Onalaska Educational Attainment by Sex (over 25)

Onalaska Educational Attainment by Race

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Name Total High School Bachelors
White11,64511,1114,350
Asian817651114
Hispanic162162
Multiple Races13113179
Black91888
Other Race7474
Native American88

The highest rate of high school graduation is among native american people with a rate of 100.00%.

The highest rate of bachelors degrees is among multiple races people with a rate of 60.31%.

Onalaska Educational Attainment by Race

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Name Average Male Female
Overall$43,844$50,861$36,593
Less Than High School$26,493$25,958$28,167
High School Grad$28,409$38,569$22,434
Some College$40,971$47,487$31,226
Bachelors Degree$51,375$69,929$42,324
Graduate Degree$72,239$105,333$57,326

$43,844

Average Earnings

$50,861

Average Male

$36,593

Average Female

Onalaska Earnings by Educational Attainment

Onalaska Language by Age

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Onalaska Language

91.40% of Onalaska residents speak only English, while 8.60% speak other languages. The non-English language spoken by the largest group is Asian and Pacific Island languages, which is spoken by 6.32% of the population.

Onalaska Language

Onalaska Poverty by Race

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Name Total In Poverty Poverty Rate
White15,9909165.73%
Asian1,55222814.69%
Black2927826.71%
Hispanic242218.68%

6.70%

Overall Poverty Rate

4.64%

Male Poverty Rate

8.50%

Female Poverty Rate

Poverty in Onalaska

The race most likely to be in poverty in Onalaska is Black, with 26.71% below the poverty level.

The race least likely to be in poverty in Onalaska is White, with 5.73% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 3.97%. Among those working part-time, it was 9.79%, and for those that did not work, the poverty rate was 11.76%.

Onalaska Poverty

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Name Poverty
Less Than High School21.65%
High School11.08%
Some College3.84%
Bachelors or Greater1.98%

Onalaska Poverty Rate by Education

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Name Poverty
Female Unemployed36.56%
Male Unemployed16.92%
Female Employed7.76%
Male Employed3.26%

Onalaska Poverty Rate by Employment Status and Sex

Onalaska Income by Household Type

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Name Median Mean
Households$61,429$91,969
Families$85,784$112,985
Married Families$101,934-
Non Families$41,824$58,804
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Income by Household Type

Onalaska Marital Status

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Marriage Rates

50.6%

Overall Marriage Rate

54.7%

Male Marriage Rate

47.2%

Female Marriage Rate

Onalaska Married by Age and Sex

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Onalaska Marriage

The age group where males are most likely to be married is 55-64, while the female age group most likely to be married is 35-44.

Onalaska Marital Status by Race

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Onalaska Marital Status

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1,166

Number of Veterans

1,141

Male Veterans

25

Female Veterans

War Veterans
Vietnam382
First Gulf War297
Second Gulf War212
Korea105
World War II79

Onalaska Veterans by War

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Age Group Veterans
75+400
35 to 54309
65 to 74276
55 to 64134
18 to 3447

Onalaska Veterans by Age

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Name Veterans % of Total
White1,1158.60%
2 or More2714.44%
Asian242.40%

Onalaska Veterans by Race

Onalaska Veterans by Education

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9.04%

Veteran Poverty Rate

40.75%

Veteran Disability Rate

Onalaska Veterans by Education

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64.8%

Labor Force Participation

62.8%

Employment Rate

3%

Unemployment Rate

Onalaska Employment by Age

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Onalaska Employment by Race

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Onalaska Employment by Education

Origin of Non-Citizens

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Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

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66.62%

Born in Wisconsin

94.20%

Native Born

5.80%

Foreign Born

1.65%

Non Citizen

4.16%

Naturalized

Place of Birth

94.20% of Onalaska residents were born in the United States, with 66.62% having been born in Wisconsin. 1.65% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Onalaska Place of Birth

Year Population Growth Annual Growth Rate
202119,4832701.41%
202019,2132701.43%
201918,9432701.45%
201818,67360.03%
201718,667530.28%
201618,6142351.28%
201518,379890.49%
201418,290620.34%
201318,228260.14%
201218,2021871.04%
201118,0151911.07%
201017,8242,9851.85%
200014,8393,5552.78%
199011,2842,0352.01%
19809,2494,3406.54%
19704,9091,7484.50%
19603,1616002.13%
19502,5610.00%

Onalaska Population by Year