Ottawa, Kansas Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Ottawa, Kansas is 12,632 as of the 2023 American Community Survey, making it the 29th-largest city in Kansas. The median household income is $64,655, the median home value is $165,700, and the median age is 36.5.
The population has grown 0.7% since 2010 (12,642 → 12,733).
12,632
Population
1224
People / sq mi
$64,655
Median Income
$165,700
Median Home Value
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Ottawa covers 10.3 sq mi of land at 1224 people per square mile.
About Ottawa, KS
Housing cost is the defining feature of Ottawa: the median home is valued at $165,700. With 12,632 residents, Ottawa is a city in Kansas. It ranks #29 among cities in Kansas by population.
Household earnings are middling, with a median of $64,655 — below the US median of $78,538. Poverty runs at 9.7%, below the national 12.4%. Property is affordable here, the median home worth $165,700, with typical rent around $949.
Roughly 27.5% of adults have a bachelor’s, below the national 35.0%. About 9.3% of the workforce is home-based, below the national 14.0%, and the average commute runs about 22 minutes each way.
Ottawa city Population History (2010-2024)
The city of Ottawa city had a population of 12,642 in 2010 and 12,733 in 2024, a 0.7% growth over 14 years. The peak was 12,733 in 2024. Average annual growth rate: 0.06%.
12,733
Population (2024)
12,642
Population (2010)
12,733
Peak (2024)
0.06%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 12,642 |
| 2011 | 12,557 |
| 2012 | 12,513 |
| 2013 | 12,442 |
| 2014 | 12,315 |
| 2015 | 12,263 |
| 2016 | 12,271 |
| 2017 | 12,299 |
| 2018 | 12,273 |
| 2019 | 12,254 |
| 2020 | 12,633 |
| 2021 | 12,642 |
| 2022 | 12,609 |
| 2023 | 12,719 |
| 2024 | 12,733 |
Race & Ethnicity
| White | 90.5% |
| Black or African American | 1.4% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 2.5% |
| Two or More Races | 0.0% |
Economy & Income
$64,655
Median Household Income
$31,893
Per Capita Income
9.7%
Poverty Rate
1.4%
Unemployment Rate
Housing
$165,700
Median Home Value
$949
Median Rent
61.6%
Owner-Occupied
Education
94.5%
High School+
27.5%
Bachelor's+
Commute
0.0%
Drive Alone
75.8%
Public Transit
9.3%
Work From Home
21.6 min
Avg Commute
Community Profile
26.3%
Foreign Born
97.7%
Non-English at Home
9.4%
Veterans
17.7%
With Disability
93.9%
Health Insurance
93.5%
Internet Access
Employment by Industry
| Professional, Scientific & Management | 22.0% |
| Manufacturing | 12.5% |
| Retail Trade | 12.2% |
| Education, Health Care & Social Services | 7.8% |
| Finance, Insurance & Real Estate | 5.8% |
| Construction | 4.4% |
| Public Administration | 4.3% |
| Arts, Entertainment & Food Services | 2.6% |
| Agriculture & Mining | 2.6% |
| Transportation & Warehousing | 1.6% |
| Information | 1.6% |
Largest cities in Kansas
Largest counties in Kansas
Part of Kansas
Metro areas in Kansas
City rankings
Frequently Asked Questions
Ottawa, Kansas has a population of 12,632 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 29th-largest city in Kansas.
The median household income in Ottawa, Kansas is $64,655, with 9.7% of residents living below the federal poverty level.
The median home value in Ottawa, Kansas is $165,700, with median monthly rent at $949 and a homeownership rate of 61.6%.
The median age in Ottawa, Kansas is 36.5 years. The population is 49.2% male and 50.8% female.
The population has grown 0.7% since 2010 (12,642 → 12,733).
Where to stay in Ottawa
Visiting or relocating to Ottawa, KS? Compare hotels and short-term rentals across the metro — live availability and prices.
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.