Smith County, Kansas Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 76th-largest in Kansas
The population of Smith County, Kansas is 3,579 as of the 2023 American Community Survey, making it the 76th-largest county in Kansas. The median household income is $57,024, the median home value is $91,000, and the median age is 50.0.
The population of Smith County has declined 8.3% since 2010 (3,860 → 3,541), a -0.61% annualized rate.
3,579
Population
-0.61%
Annual growth
4
People / sq mi
$57,024
Median Income
$91,000
Median Home Value
Smith County covers 895 sq mi of land at 4.0 people per square mile.
About Smith County, KS
Smith County is a county in Kansas with a population of 3,579. It ranks #76 among counties in Kansas by population. The median age is 50.0, older than the national median. The population is 51.1% male and 48.9% female.
The median household income in Smith County is $57,024, below the US median of $74,580. 3.9% of residents live below the federal poverty level. Home values sit at a median of $91,000, with monthly rent averaging $601. The homeownership rate of 83.0% is higher than the national rate of 64.8%.
Educational attainment in Smith County reflects 24.6% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 4.4% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 15.5 minutes each way.
Smith County Population History (2010-2024)
The county of Smith County had a population of 3,860 in 2010 and 3,541 in 2024, a -8.3% growth over 14 years. The peak was 3,860 in 2010. Average annual growth rate: -0.61%.
3,541
Population (2024)
3,860
Population (2010)
3,860
Peak (2010)
-0.61%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 3,860 |
| 2011 | 3,791 |
| 2012 | 3,754 |
| 2013 | 3,700 |
| 2014 | 3,730 |
| 2015 | 3,691 |
| 2016 | 3,657 |
| 2017 | 3,616 |
| 2018 | 3,582 |
| 2019 | 3,571 |
| 2020 | 3,559 |
| 2021 | 3,566 |
| 2022 | 3,553 |
| 2023 | 3,541 |
| 2024 | 3,541 |
Race & Ethnicity
| White | 94.2% |
| Black or African American | 0.8% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 2.5% |
| Two or More Races | 0.0% |
Age & Sex
50.0
Median Age
48.9%
Female
51.1%
Male
28.9%
Age 65+
Age Distribution
Children (under 15): 16.3% · Seniors (65+): 28.9%
Income & Poverty
| Median household income | $57,024$-15,615 vs state |
| Mean household income | $78,567 |
| Per-capita income | $35,983 |
| Poverty rate | 3.9%-3.8% vs state |
| Unemployment rate | 1.0% |
| Employment-to-population | 59.8% |
Top Industries by Employment
The largest employment sector in Smith County is professional & business services, accounting for 22.9% of workers.
How residents commute
0.5%
Drive alone
3.6%
Carpool
79.9%
Public transit
4.4%
Work from home
15.5 min
Avg commute
Housing
$91,000$-112,400 vs state
Median home value
$601
Median rent
83.0%
Homeownership rate
2,023
Total housing units
78.0%
Occupied
22.0%
Vacant
17.0%
Renter-occupied
Social & access
91.9%
With health insurance
90.9%
With broadband internet
32.2%
Foreign-born
9.9%
Veterans (18+)
17.7%
With a disability
98.9%
Speak language other than English at home
Education
94.9%
High School+
24.6%
Bachelor's+
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Part of Kansas
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County rankings
Frequently Asked Questions
Smith County, Kansas has a population of 3,579 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 76th-largest county in Kansas. Population density is 4 people per square mile.
The population of Smith County has declined 8.3% since 2010 (3,860 → 3,541), a -0.61% annualized rate.
The median household income in Smith County, Kansas is $57,024, with mean (average) household income of $78,567 and per-capita income of $35,983. 3.9% of residents live below the federal poverty level.
In Smith County, the largest racial and ethnic groups are White (94.2%), Hispanic or Latino (2.5%), Black or African American (0.8%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Smith County, Kansas is 50.0 years. Residents are 48.9% female and 51.1% male.
The median home value in Smith County is $91,000 and median monthly rent is $601. 83.0% of occupied housing units are owner-occupied. The county has 2,023 total housing units, 22.0% of which are vacant.
The largest employment sector in Smith County, Kansas is professional, scientific, and management services, employing 22.9% of workers. The unemployment rate is 1.0%.
Wichita is among the largest cities associated with Smith County, Kansas, with a population of 396,488.
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Statewide data for Kansas
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.