Ottawa, Kansas Population 2020

12,337

Ottawa is a city located in Kansas. With a 2020 population of 12,337, it is the 29th largest city in Kansas and the 2661st largest city in the United States. Ottawa is currently growing at a rate of 0.28% annually but its population has decreased by -2.47% since the most recent census, which recorded a population of 12,649 in 2010. Ottawa reached it's highest population of 12,639 in 2010. Spanning over 10 miles, Ottawa has a population density of 1,250 people per square mile.

The average household income in Ottawa is $58,002 with a poverty rate of 12.92%. The median rental costs in recent years comes to $761 per month, and the median house value is $103,300. The median age in Ottawa is 35.4 years, 34.1 years for males, and 36.6 years for females. For every 100 females there are 88.1 males.

Ottawa Demographics

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

  • White: 92.11%
  • Two or more races: 3.85%
  • Other race: 1.70%
  • Black or African American: 1.38%
  • Native American: 0.60%
  • Asian: 0.35%
  • Native Hawaiian or Pacific Islander: 0.00%
The current population of Ottawa, Kansas is 12,337, based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 12,267.The last official US Census in 2010 recorded the population at 12,649.

Ottawa, Kansas Population 2020

Year Total Population Growth Annual Growth Rate
202025,579-26-0.10%
201925,605-26-0.10%
201825,631-26-0.10%
201725,6571270.49%
201625,530610.24%
201525,469-59-0.23%
201425,528-202-0.79%
201325,730-91-0.35%
201225,821-29-0.11%
201125,850-134-0.52%
201025,9840.00%

Population by Race

Race Population Percentage
White11,30792.11%
Two or More Races4733.85%
Some Other Race2091.70%
Black or African American1691.38%
American Indian and Alaska Native740.60%
Asian430.35%

Ottawa Population Pyramid 2020

Ottawa Median Age

35.4


Total

34.1


Male

36.6


Female

Ottawa Adults

There are 9,397 adults, (1,746 of whom are seniors) in Ottawa.

Ottawa Age Dependency

60.4

Age Dependency Ratio

22.8

Old Age Dependency Ratio

37.6

Child Dependency Ratio

Ottawa Sex Ratio

Female

6,526

53.16%

Male

5,749

46.84%

Ottawa Households and Families

Ottawa Renter vs Owner Occupied by Household Type

Ottawa Household Types

Type Owner Renter
Married73.5%26.5%
Male62.1%37.9%
All59.2%40.8%
Female46.8%53.2%
Non Family45.1%54.9%

59.2%

Rate of Home Ownership

Type Count Average Size Owned
All4,9532.3859.2
Married2,3363.0773.5
Non Family1,9901.2345.1
Female4533.3846.8
Male1743.6662.1

3.07

Average Family Size

2.38

Average Household Size

5.5%

Unmarried (Opposite Sex)

0.4%

Unmarried (Same Sex)

Ottawa Education

Education Attained Count Percentage
Less Than 9th Grade2332.98%
9th to 12th Grade4495.75%
High School Graduate2,70034.56%
Some College2,01225.76%
Associates Degree81810.47%
Bachelors Degree98112.56%
Graduate Degree6197.92%

Ottawa Educational Attainment by Race

Name Total High School Bachelors
White7,1136,6071,513
Hispanic36522938
Other Race17575
Multiple Races17213216
Black8282
Native American6546
Asian434333

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

The highest rate of bachelors degrees is among asian people with a rate of 76.74%.

Name Average Male Female
Overall$36,263$40,078$32,414
Less Than High School$$31,855$18,370
High School Grad$31,999$36,017$28,355
Some College$35,557$39,692$31,015
Bachelors Degree$40,223$48,621$38,493
Graduate Degree$51,817$57,054$51,160

$36,263

Average Earnings

$40,078

Average Male

$32,414

Average Female

Ottawa Language

Ottawa Language by Age

Ottawa Language

97.13% of Ottawa residents speak only English, while 2.87% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 2.13% of the population.

Ottawa Poverty

Ottawa Poverty by Race

Name Total In Poverty Poverty Rate
White10,6421,34012.59%
Hispanic5489316.97%
Black1165143.97%
Other2094622.01%
Multiple421419.74%
Asian431023.26%

12.92%

Overall Poverty Rate

12.01%

Male Poverty Rate

13.70%

Female Poverty Rate

Poverty in Ottawa

The race most likely to be in poverty in Ottawa is Black, with 43.97% below the poverty level.

The race least likely to be in poverty in Ottawa is Multiple, with 9.74% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 3.45%. Among those working part-time, it was 19.80%, and for those that did not work, the poverty rate was 18.18%.

Name Poverty
Less Than High School11.56%
High School10.17%
Some College8.66%
Bachelors or Greater3.13%
Name Poverty
Female Unemployed17.06%
Male Unemployed13.82%
Male Employed8.59%
Female Employed6.57%

Ottawa Income

Ottawa Income by Household Type

Name Median Mean
Households$47,334$58,002
Families$60,332$70,518
Married Families$69,707-
Non Families$31,250$36,849

Ottawa Marital Status

Ottawa Marital Status

Marriage Rates

49.7%

Overall Marriage Rate

51.9%

Male Marriage Rate

47.8%

Female Marriage Rate

Ottawa Married by Age and Sex

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 35-44.

Ottawa Marital Status by Race

Ottawa Veterans

738

Number of Veterans

669

Male Veterans

69

Female Veterans

War Veterans
Vietnam276
First Gulf War260
Second Gulf War73
Korea60
World War II9
Age Group Veterans
35 to 54252
55 to 64170
65 to 74169
75+111
18 to 3436
Name Veterans % of Total
White6667.76%
Black4427.16%
2 or More288.16%
Hispanic112.45%

$Ottawa Veterans by Education

10.43%

Veteran Poverty Rate

37.26%

Veteran Disability Rate

Ottawa Employment Status

68.1%

Labor Force Participation

64.1%

Employment Rate

5.8%

Unemployment Rate

Ottawa Place of Birth

Origin of Non-Citizens

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

Origin of Naturalized Citizens

68.61%

Born in Kansas

97.79%

Native Born

2.21%

Foreign Born

0.90%

Non Citizen

Place of Birth

97.79% of Ottawa residents were born in the United States, with 68.61% having been born in Kansas. 0.90% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Year Population Growth Annual Growth Rate
202012,337350.28%
201912,302350.29%
201812,267-37-0.30%
201712,304350.29%
201612,269130.11%
201512,256-52-0.42%
201412,308-127-1.02%
201312,435-75-0.60%
201212,510-40-0.32%
201112,550-89-0.70%
201012,6397180.59%
200011,9211,2541.12%
199010,667-349-0.32%
198011,016-20-0.02%
197011,0363630.34%
196010,6735920.57%
195010,081-112-0.11%
194010,1936300.64%
19309,5635450.59%
19209,0181,3681.66%
19107,6507160.99%
19006,9346861.05%
18906,2482,2164.48%
18804,0321,0913.21%
18702,9410.00%