Montgomery County, Kansas Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 19th-largest in Kansas
The population of Montgomery County, Kansas is 31,143 as of the 2023 American Community Survey, making it the 19th-largest county in Kansas. The median household income is $53,242, the median home value is $92,100, and the median age is 40.3.
The population of Montgomery County has declined 13.8% since 2010 (35,353 → 30,459), a -1.06% annualized rate.
31,143
Population
-1.06%
Annual growth
48
People / sq mi
$53,242
Median Income
$92,100
Median Home Value
Montgomery County covers 644 sq mi of land at 48.4 people per square mile.
About Montgomery County, KS
Montgomery County is a county in Kansas with a population of 31,143. It ranks #19 among counties in Kansas by population. The median age is 40.3, older than the national median. The population is 49.6% male and 50.4% female.
The median household income in Montgomery County is $53,242, below the US median of $74,580. 12.0% of residents live below the federal poverty level. Home values sit at a median of $92,100, with monthly rent averaging $759. The homeownership rate of 72.6% is higher than the national rate of 64.8%.
Educational attainment in Montgomery County reflects 21.3% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 3.3% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 18.9 minutes each way.
Montgomery County Population History (2010-2024)
The county of Montgomery County had a population of 35,353 in 2010 and 30,459 in 2024, a -13.8% growth over 14 years. The peak was 35,353 in 2010. Average annual growth rate: -1.06%.
30,459
Population (2024)
35,353
Population (2010)
35,353
Peak (2010)
-1.06%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 35,353 |
| 2011 | 34,790 |
| 2012 | 34,483 |
| 2013 | 34,458 |
| 2014 | 34,109 |
| 2015 | 33,458 |
| 2016 | 32,850 |
| 2017 | 32,382 |
| 2018 | 32,040 |
| 2019 | 31,796 |
| 2020 | 31,400 |
| 2021 | 31,180 |
| 2022 | 30,905 |
| 2023 | 30,756 |
| 2024 | 30,459 |
Race & Ethnicity
| White | 79.4% |
| Black or African American | 4.3% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 7.3% |
| Two or More Races | 0.1% |
Age & Sex
40.3
Median Age
50.4%
Female
49.6%
Male
20.0%
Age 65+
Age Distribution
Children (under 15): 19.6% · Seniors (65+): 20.0%
Income & Poverty
| Median household income | $53,242$-19,397 vs state |
| Mean household income | $67,132 |
| Per-capita income | $28,959 |
| Poverty rate | 12.0%+4.3% vs state |
| Unemployment rate | 2.2% |
| Employment-to-population | 54.8% |
Top Industries by Employment
The largest employment sector in Montgomery County is professional & business services, accounting for 23.4% of workers.
How residents commute
0.6%
Drive alone
4.3%
Carpool
80.7%
Public transit
3.3%
Work from home
18.9 min
Avg commute
Housing
$92,100$-111,300 vs state
Median home value
$759
Median rent
72.6%
Homeownership rate
15,566
Total housing units
82.7%
Occupied
17.3%
Vacant
27.4%
Renter-occupied
Social & access
88.4%
With health insurance
91.5%
With broadband internet
34.3%
Foreign-born
7.5%
Veterans (18+)
20.4%
With a disability
94.6%
Speak language other than English at home
Education
89.9%
High School+
21.3%
Bachelor's+
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County rankings
Frequently Asked Questions
Montgomery County, Kansas has a population of 31,143 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 19th-largest county in Kansas. Population density is 48 people per square mile.
The population of Montgomery County has declined 13.8% since 2010 (35,353 → 30,459), a -1.06% annualized rate.
The median household income in Montgomery County, Kansas is $53,242, with mean (average) household income of $67,132 and per-capita income of $28,959. 12.0% of residents live below the federal poverty level.
In Montgomery County, the largest racial and ethnic groups are White (79.4%), Hispanic or Latino (7.3%), Black or African American (4.3%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Montgomery County, Kansas is 40.3 years. Residents are 50.4% female and 49.6% male.
The median home value in Montgomery County is $92,100 and median monthly rent is $759. 72.6% of occupied housing units are owner-occupied. The county has 15,566 total housing units, 17.3% of which are vacant.
The largest employment sector in Montgomery County, Kansas is professional, scientific, and management services, employing 23.4% of workers. The unemployment rate is 2.2%.
Wichita is among the largest cities associated with Montgomery County, Kansas, with a population of 396,488.
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Population, race, income, age, and trends across Kansas
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.