Population
11,634
2025
−1.3% since 2020
Source: U.S. Census Bureau, Population Estimates Program (Vintage 2025), 2025. Resident population, July 1 estimate.
Marion County, KS: population growth, jobs and income
Marion County lost 45 residents between 2024 and 2025 (−0.4%).
Marion County had an estimated 11,634 residents in 2025, down 1.3% (154 fewer people) since 2020. That is slower than Kansas as a whole (+1.3%), and the 50th fastest growth of 105 counties in Kansas.
Data as of 2025 · updated
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In the Marion County report
One-time $99 PDF: everything on this page for Marion County, ranked against Kansas and the U.S., plus these figures that are not on the free page:
- Median gross rent$727/mo2020–24
- Vacant homes, incl. seasonal and second homes16.6%2020–24
- New homes permitted, last 12 months382025-10/2026-09
- Rent growth, 5 yearsIn the report
- Permits in 5+ unit buildingsIn the report
- IRS income moving in (net AGI)In the report
- Neighbouring-county comparison tableIn the report
What's inside: 5 pages
- 1 Summary, headline numbers and ranks (free preview)
- 2 Ranks and the neighbouring-county table
- 3 Migration, with IRS mover and income flows
- 4 Rent, vacant homes, permits and employers
- 5 Every source and the methods
Headline numbers
Net domestic migration
−25
2025
−2.1 per 1,000 residents
+52 in total, 2021–2025
Source: U.S. Census Bureau, Population Estimates Program (Vintage 2025), 2025. People moving in from other U.S. counties minus people moving out.
Unemployment rate
3.7%
2025
+0.7 pts since 2019
Source: U.S. Bureau of Labor Statistics, Local Area Unemployment Statistics, 2025. Annual average unemployment rate.
New homes permitted
40
2025
+81.8% since 2021
3.4 per 1,000 residents
Source: U.S. Census Bureau, Building Permits Survey, 2025. Housing units authorized by building permits in the year.
Median household income
$64,695
2020–24
+27.3% since 2016–20
Source: U.S. Census Bureau, American Community Survey 5-year estimates, 2020–24. American Community Survey 5-year estimate.
Private-sector employment
2,677
2023
+4.1% since 2018
Source: U.S. Census Bureau, County Business Patterns, 2023. Paid employees of private employers in mid-March (County Business Patterns).
What the numbers say
Net domestic migration was negative in 2025: 25 more people moved out to other U.S. counties than moved in.
Private employers had 2,677 paid employees in mid-March 2023, +4.1% since 2018 (County Business Patterns).
Unemployment averaged 3.7% in 2025, 0.7 points higher than in 2019 (before the pandemic).
Builders were authorized to start 40 new homes in 2025, or 3.4 per 1,000 residents.
Median household income was $64,695 in the 2020–24 American Community Survey, +27.3% since 2016–20.
Across the 3,107 U.S. counties with a comparable estimate, its population growth ranks 2,274th.
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Marion County population by year
| Year | Population | Change |
|---|---|---|
| 2025 | 11,634 | −45 |
| 2024 | 11,679 | −97 |
| 2023 | 11,776 | −23 |
| 2022 | 11,799 | +51 |
| 2021 | 11,748 | −40 |
| 2020 | 11,788 | – |
Census Bureau population estimates, July 1 of each year.
What drove the change in Marion County
Marion County lost 154 people since 2020 even though 52 more people moved in from other U.S. counties than left: deaths outnumbered births by 228, and net international migration added 17.
| Component | 2025 | 2020–25 | Share |
|---|---|---|---|
| Natural changebirths minus deaths | −22 | −228 | |
| International migrationfrom and to other countries | +3 | +17 | |
| Domestic migrationfrom and to other U.S. counties | −25 | +52 | |
| Census adjustmentbalancing residual | −1 | +5 | |
| Total change | −45 | −154 |
Census Bureau population estimates, components of change, each year July 1 to June 30. The components add up to the change in the estimate; the Census adjustment is the small balancing figure the Bureau publishes.
How it ranks
| Measure | In Kansas | Among U.S. counties |
|---|---|---|
| Population growth | 50th of 105 | 2,274th of 3,107 |
| Net domestic migration per 1,000 residents | 59th of 105 | 2,243rd of 3,108 |
| Private-sector job growth | 32nd of 105 | 1,340th of 3,092 |
| Median household income | 49th of 105 | 1,632nd of 3,107 |
| Lowest unemployment rate | 65th of 105 | 1,167th of 3,108 |
| New homes permitted per 1,000 residents | 13th of 103 | 980th of 3,005 |
1st = highest (lowest for unemployment). Counties are ranked only against others with a figure for the same period.
Get the county report — $99
The County Growth and Demographics Report for Marion County, KS as a PDF, from federal data: population and migration, housing and rents, permits, private employers and jobs, unemployment, ranks in the state and the country, and neighbouring counties, with a source next to every number. Pay once, no subscription.
Add 2 neighbouring counties for $50: the Butler County and Saline County reports too, $149 for all 3.
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Neighbouring counties
Over 2020–25, Marion County's population change (−1.3%) was ahead of 1 of its 7 neighbouring counties and behind 6.
5 of its 7 neighbouring counties had a higher median household income than Marion County's $64,695 (2020–24).
| County | Population2025 | Population change2020–25 | Net domestic migration per 1,000 residents2025 | Homes permitted per 1,000 residents2025 | Median household income2020–24 |
|---|---|---|---|---|---|
| Marion County, KS This county | 11,634 | −1.3% | −2.1 | 3.4 | $64,695 |
| Harvey County, KS | 33,580 | −1.2% | 0.4 | 3.4 | $74,368 |
| Chase County, KS | 2,572 | −0.1% | −2.3 | 0.0 | $56,484 |
| Dickinson County, KS | 18,637 | +1.4% | 4.9 | 1.6 | $68,417 |
| McPherson County, KS | 30,064 | −0.4% | 2.2 | 3.8 | $78,851 |
| Morris County, KS | 5,348 | −0.3% | 8.8 | 1.1 | $58,686 |
| Butler County, KS | 69,484 | +3.1% | 2.0 | 3.1 | $81,610 |
| Saline County, KS | 53,377 | −1.6% | 0.2 | 2.0 | $65,422 |
Census Bureau population estimates and building permits, American Community Survey 5-year income. Rates per 1,000 residents. – means no figure, or a base too small for a change or rate (it would swing on a few people). A figure from another period shows its year and is left out of the comparison.
Questions
Is Marion County growing?
No. Its population fell 1.3% between 2020 and 2025, about 154 fewer people (Census Bureau population estimates). Kansas as a whole changed +1.3% over the same years. That ranks 50th of 105 counties in Kansas for population growth.
How many people moved to Marion County?
On net, none in 2025: about 25 more people moved out to other U.S. counties than moved in (Census Bureau net domestic migration estimate).
What is the unemployment rate in Marion County?
It averaged 3.7% in 2025 (BLS Local Area Unemployment Statistics, annual average).
What is the population of Marion County?
About 11,634 people, according to the U.S. Census Bureau's population estimate for July 1, 2025.
How many jobs are in Marion County?
Private employers there had 2,677 paid employees in mid-March 2023, +4.1% since 2018 (Census Bureau County Business Patterns; government jobs and the self-employed are not counted).
What Beacon CRE covers in Kansas
Map, parcel and listing layers cover North and South Carolina only for now. This page and the other Kansas county pages carry the public federal growth figures.
Marion County data alerts
Email me when Marion County gets new Census numbers: population, building permits, jobs and income. About 4 emails a year, one click to stop.
Sources and method
- U.S. Census Bureau, Population Estimates Program (Vintage 2025)
- U.S. Bureau of Labor Statistics, Local Area Unemployment Statistics
- U.S. Census Bureau, Building Permits Survey
- U.S. Census Bureau, American Community Survey 5-year estimates
- U.S. Census Bureau, County Business Patterns
Each number shows its own period. Changes compare the latest period with five years earlier (or the earliest period available). Beacon CRE last refreshed these figures on 2026-11-05. Figures come from public federal statistics and are informational only, not investment advice. Check the source before relying on a number. Methodology: how we compute every number. More on every layer: data sources and licences.
Jobs outside North and South Carolina use County Business Patterns (paid private-sector employees in mid-March); wages and government jobs are not included.