Ottawa, Illinois Population 2024

18,721

Ottawa Demographics

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

  • White: 89.33%
  • Two or more races: 4.73%
  • Black or African American: 2.87%
  • Other race: 1.93%
  • Asian: 1.14%
  • Native Hawaiian or Pacific Islander: 0.01%
  • Native American: 0%
Land Area (mi²)
14.9 sq mi
Density (mi²)
1,256.90/sq mi
Growth Since 2020
-0.65% (-122)
The current population of Ottawa, Illinois is 18,721 based on our projections of the latest US Census estimates (released May 2024). The last official US Census in 2020 recorded the population at 18,843.

Population by Race

Race
Population
Percentage (of total)
White16,71789.33%
Two or more races8854.73%
Black or African American5372.87%
Other race3611.93%
Asian2131.14%
Native Hawaiian or Pacific Islander10.01%
Native American00%

White

Two or more races

Black or African American

Other race

Asian

Native Hawaiian or Pacific Islander

Native American

Ottawa Population by Race

Ottawa Population Pyramid 2024

Ottawa Median Age

40.3

Total

39

Male

42.3

Female

Ottawa Adults

There are 14,062 adults, (2,979 of whom are seniors) in Ottawa.

Ottawa Age Dependency

68.9

Age Dependency Ratio

26.9

Old Age Dependency Ratio

42

Child Dependency Ratio

Ottawa Sex Ratio

Female9,74852.09%
Male8,96647.91%

Ottawa Population by Age

Ottawa Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All7,5572.4269.430.6
Married3,1273.1290.59.5
Non Family2,9801.2253.546.5
Female1,1053.2253.346.7
Male3453.9666.433.6

3.02

Average Family Size

2.42

Average Household Size

69.4%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Ottawa Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade7345.72%
Associates Degree1,30310.16%
Bachelors Degree2,01915.74%
Graduate Degree7946.19%
High School Graduate4,40334.33%
Less Than 9th Grade2992.33%
Some College3,27425.53%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Ottawa Educational Attainment by Sex (over 25)

Ottawa Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

Race
Total
High School
Bachelors
White11,04510,3182,569
Hispanic1,02477567
2+ Races466431110
Black2912500
Other Race2722271
Asian15415474
Islander110

The highest rate of high school graduation is among asian people with a rate of 100%.

The highest rate of bachelors degrees is among asian people with a rate of 48.05%.

Ottawa Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$50,756$59,803$40,521
Graduate Degree$81,716$91,952$74,500
High School Graduate$42,414$57,909$32,296
Less Than 9th Grade$22,500$25,592$21,596
Overall$46,298$65,807$35,869
Some College$42,890$73,297$33,415

$46,298

Average Earnings

$65,807

Average Male

$35,869

Average Female

Ottawa Earnings by Educational Attainment

Ottawa Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Ottawa Language

94.03% of Ottawa residents speak only English, while 5.97% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 4.21% of the population.

Ottawa Language

Ottawa Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
White15,0261,73011.51%
Hispanic1,82370538.67%
Other36119654.29%
Multiple87713315.17%
Black436368.26%
Asian213177.98%

14.44%

Overall Poverty Rate

13.28%

Male Poverty Rate

15.53%

Female Poverty Rate

Poverty in Ottawa

The race most likely to be in poverty in Ottawa is Other, with 54.29% below the poverty level.

The race least likely to be in poverty in Ottawa is Asian, with 7.98% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.58%. Among those working part-time, it was 12.97%, and for those that did not work, the poverty rate was 25.06%.

Ottawa Poverty

rate

Rate
Poverty
Less Than 9th Grade33.01%
High School15.4%
Some College10.49%
Bachelors or Greater4.63%

Ottawa Poverty Rate by Education

rate

Rate
Poverty
Female Unemployed45%
Male Unemployed27.64%
Female Employed5.99%
Male Employed3.99%

Ottawa Poverty Rate by Employment Status and Sex

Ottawa Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$86,372$101,793
Households$73,011$92,222
Married Families$106,518$-999,999,999
Non Families$43,243$72,447

mean

median

Income by Household Type

Ottawa Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

44.8%

Overall Marriage Rate

46.8%

Male Marriage Rate

43.0%

Female Marriage Rate

Ottawa Married by Age and Sex

male

female

Ottawa Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 45-54.

Ottawa Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Ottawa Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

1,030

Number of Veterans

954

Male Veterans

76

Female Veterans

War
Veterans
Vietnam434
First Gulf War326
Second Gulf War129
Korea41
World War II5

Ottawa Veterans by War

count

Age Group
Veterans
55 to 64398
65 to 74284
75+158
35 to 54153
18 to 3437

Ottawa Veterans by Age

count

Name
Veterans
% of Total
White9677.58%
Black258.33%
Asian189.52%
Hispanic171.53%
2+ Races112.07%
Other Race93.11%

Ottawa Veterans by Race

Ottawa Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

6.86%

Veteran Poverty Rate

27.83%

Veteran Disability Rate

Ottawa Veterans by Education

LaborForceParticipation

62.9%

Labor Force Participation

58.9%

Employment Rate

6.3%

Unemployment Rate

Ottawa Employment by Age

LaborForceParticipation

Ottawa Employment by Race

LaborForceParticipation

Ottawa Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

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

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

81.78%

Born in Ottawa

97.42%

Native Born

2.58%

Foreign Born

1.44%

Non Citizen

1.14%

Naturalized

Place of Birth

97.42% of Ottawa residents were born in the United States, with 81.78% having been born in Illinois. 1.44% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Ottawa Place of Birth

Note: data after 2022 is projected based on recent change
Year
Population
Growth
Change
202918,570-30-0.16%
202818,600-30-0.16%
202718,630-31-0.17%
202618,661-30-0.16%
202518,691-30-0.16%
202418,721-31-0.17%
202318,752690.37%
202218,683-133-0.71%
202118,816-27-0.14%
202018,8437043.88%
201918,139-78-0.43%
201818,217-50-0.27%
201718,267-76-0.41%
201618,343-96-0.52%
201518,439-105-0.57%
201418,544-96-0.52%
201318,640-52-0.28%
201218,692-117-0.62%
201118,809-103-0.54%
201018,91200%
200018,3078564.91%
199017,451-715-3.94%
198018,166-550-2.94%
197018,716-692-3.57%
196019,4082,45114.45%
195016,9579525.95%
194016,0059116.04%
193015,0944,27839.55%
192010,8161,28113.43%
19109,535-1,053-9.95%
190010,5886036.04%
18909,9852,15127.46%
18807,834981.27%
18707,736-10,834-58.34%

Ottawa Population by Year