Population
11,473
2025
−2.0% since 2020
Source: U.S. Census Bureau, Population Estimates Program (Vintage 2025), 2025. Resident population, July 1 estimate.
Marshall County, IL: population growth, jobs and income
Marshall County lost 98 residents between 2024 and 2025 (−0.8%).
Marshall County had an estimated 11,473 residents in 2025, down 2.0% (240 fewer people) since 2020. That is slower than Illinois as a whole (−0.6%), and the 49th fastest growth of 102 counties in Illinois.
Data as of 2025 · updated
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In the Marshall County report
One-time $99 PDF: everything on this page for Marshall County, ranked against Illinois and the U.S., plus these figures that are not on the free page:
- Median gross rent$782/mo2020–24
- Vacant homes, incl. seasonal and second homes12.4%2020–24
- New homes permitted, last 12 months32025-10/2026-09
- 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
−39
2025
−3.4 per 1,000 residents
+92 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
5.1%
2025
+0.3 pts since 2019
Source: U.S. Bureau of Labor Statistics, Local Area Unemployment Statistics, 2025. Annual average unemployment rate.
New homes permitted
3
2025
0.3 per 1,000 residents
Small base: the change swings on a few homes or people, so we don't show it.
Source: U.S. Census Bureau, Building Permits Survey, 2025. Housing units authorized by building permits in the year.
Median household income
$71,585
2020–24
+24.9% 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
2,900
2023
+11.4% 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: 39 more people moved out to other U.S. counties than moved in.
Private employers had 2,900 paid employees in mid-March 2023, +11.4% since 2018 (County Business Patterns).
Unemployment averaged 5.1% in 2025, 0.3 points higher than in 2019 (before the pandemic).
Builders were authorized to start 3 new homes in 2025, or 0.3 per 1,000 residents.
Median household income was $71,585 in the 2020–24 American Community Survey, +24.9% since 2016–20.
Across the 3,107 U.S. counties with a comparable estimate, its population growth ranks 2,468th.
Part of the Peoria, IL metro area.
Get Marshall County’s next numbers by email
Email me when Marshall County gets new Census numbers: population, building permits, jobs and income. About 4 emails a year, one click to stop.
Marshall County population by year
| Year | Population | Change |
|---|---|---|
| 2025 | 11,473 | −98 |
| 2024 | 11,571 | −92 |
| 2023 | 11,663 | +5 |
| 2022 | 11,658 | −10 |
| 2021 | 11,668 | −45 |
| 2020 | 11,713 | – |
Census Bureau population estimates, July 1 of each year.
What drove the change in Marshall County
Marshall County lost 240 people since 2020 even though 92 more people moved in from other U.S. counties than left: deaths outnumbered births by 342, and net international migration added 11.
| Component | 2025 | 2020–25 | Share |
|---|---|---|---|
| Natural changebirths minus deaths | −59 | −342 | |
| International migrationfrom and to other countries | +1 | +11 | |
| Domestic migrationfrom and to other U.S. counties | −39 | +92 | |
| Census adjustmentbalancing residual | −1 | −1 | |
| Total change | −98 | −240 |
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 Illinois | Among U.S. counties |
|---|---|---|
| Population growth | 49th of 102 | 2,468th of 3,107 |
| Net domestic migration per 1,000 residents | 77th of 102 | 2,395th of 3,108 |
| Private-sector job growth | 8th of 102 | 577th of 3,092 |
| Median household income | 39th of 102 | 1,068th of 3,107 |
| Lowest unemployment rate | 86th of 102 | 2,558th of 3,108 |
| New homes permitted per 1,000 residents | 77th of 98 | 2,605th 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 Marshall County, IL 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.
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Neighbouring counties
Over 2020–25, Marshall County's population change (−2.0%) was ahead of 1 of its 6 neighbouring counties and behind 5.
3 of its 6 neighbouring counties had a higher median household income than Marshall County's $71,585 (2020–24).
| County | Population2025 | Population change2020–25 | Net domestic migration per 1,000 residents2025 | Homes permitted per 1,000 residents2025 | Median household income2020–24 |
|---|---|---|---|---|---|
| Marshall County, IL This county | 11,473 | −2.0% | −3.4 | 0.3 | $71,585 |
| Putnam County, IL | 5,619 | −0.1% | 3.0 | 1.1 | $75,590 |
| Woodford County, IL | 38,111 | −0.8% | −2.8 | 1.0 | $91,483 |
| Bureau County, IL | 32,510 | −2.1% | 3.1 | 0.5 | $69,257 |
| Stark County, IL | 5,319 | −1.2% | 9.6 | 0.2 | $62,878 |
| Peoria County, IL | 178,553 | −1.6% | −4.1 | 0.4 | $65,108 |
| LaSalle County, IL | 107,773 | −1.5% | 1.1 | 0.6 | $73,045 |
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 Marshall County growing?
No. Its population fell 2.0% between 2020 and 2025, about 240 fewer people (Census Bureau population estimates). Illinois as a whole changed −0.6% over the same years. That ranks 49th of 102 counties in Illinois for population growth.
How many people moved to Marshall County?
On net, none in 2025: about 39 more people moved out to other U.S. counties than moved in (Census Bureau net domestic migration estimate).
What is the unemployment rate in Marshall County?
It averaged 5.1% in 2025 (BLS Local Area Unemployment Statistics, annual average).
What is the population of Marshall County?
About 11,473 people, according to the U.S. Census Bureau's population estimate for July 1, 2025.
How many jobs are in Marshall County?
Private employers there had 2,900 paid employees in mid-March 2023, +11.4% since 2018 (Census Bureau County Business Patterns; government jobs and the self-employed are not counted).
What Beacon CRE covers in Illinois
Map, parcel and listing layers cover North and South Carolina only for now. This page and the other Illinois county pages carry the public federal growth figures.
Marshall County data alerts
Email me when Marshall 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.