Population
4,570
2025
−11.6% since 2020
Source: U.S. Census Bureau, Population Estimates Program (Vintage 2025), 2025. Resident population, July 1 estimate.
Alexander County, IL: population growth, jobs and income
Alexander County lost 41 residents between 2024 and 2025 (−0.9%).
Alexander County had an estimated 4,570 residents in 2025, down 11.6% (602 fewer people) since 2020. That is slower than Illinois as a whole (−0.6%), and the 102nd fastest growth of 102 counties in Illinois.
Data as of 2025 · updated
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In the Alexander County report
One-time $99 PDF: everything on this page for Alexander County, ranked against Illinois and the U.S., plus these figures that are not on the free page:
- Median gross rent$656/mo2020–24
- Vacant homes, incl. seasonal and second homes35.2%2020–24
- New homes permitted, last 12 months02025-10/2026-09
- 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
+2
2025
0.4 per 1,000 residents
−352 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
6.8%
2025
+0.6 pts since 2019
Source: U.S. Bureau of Labor Statistics, Local Area Unemployment Statistics, 2025. Annual average unemployment rate.
New homes permitted
0
2025
0.0 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
$47,043
2020–24
+35.5% 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
960
2023
+5.4% 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 added 2 people in 2025: more people moved in from other U.S. counties than moved out.
Private employers had 960 paid employees in mid-March 2023, +5.4% since 2018 (County Business Patterns).
Unemployment averaged 6.8% in 2025, 0.6 points higher than in 2019 (before the pandemic).
Builders were authorized to start 0 new homes in 2025, or 0.0 per 1,000 residents.
Median household income was $47,043 in the 2020–24 American Community Survey, +35.5% since 2016–20.
Across the 3,107 U.S. counties with a comparable estimate, its population growth ranks 3,091st.
Part of the Cape Girardeau, MO-IL metro area.
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Email me when Alexander County gets new Census numbers: population, building permits, jobs and income. About 4 emails a year, one click to stop.
Alexander County population by year
| Year | Population | Change |
|---|---|---|
| 2025 | 4,570 | −41 |
| 2024 | 4,611 | −116 |
| 2023 | 4,727 | −130 |
| 2022 | 4,857 | −169 |
| 2021 | 5,026 | −146 |
| 2020 | 5,172 | – |
Census Bureau population estimates, July 1 of each year.
What drove the change in Alexander County
Alexander County lost 602 people since 2020; the biggest drag was domestic migration (−352).
| Component | 2025 | 2020–25 | Share |
|---|---|---|---|
| Natural changebirths minus deaths | −44 | −252 | |
| International migrationfrom and to other countries | +0 | +0 | |
| Domestic migrationfrom and to other U.S. counties | +2 | −352 | |
| Census adjustmentbalancing residual | +1 | +2 | |
| Total change | −41 | −602 |
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 | 102nd of 102 | 3,091st of 3,107 |
| Net domestic migration per 1,000 residents | 44th of 102 | 1,844th of 3,108 |
| Private-sector job growth | 21st of 102 | 1,166th of 3,092 |
| Median household income | 101st of 102 | 2,864th of 3,107 |
| Lowest unemployment rate | 102nd of 102 | 2,995th of 3,108 |
| New homes permitted per 1,000 residents | 98th of 98 | 2,964th 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 Alexander 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.
Add 2 neighbouring counties for $50: the Cape Girardeau County and Scott County reports too, $149 for all 3.
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Neighbouring counties
Alexander County lost population faster than all 6 of its neighbouring counties (−11.6%, 2020–25).
5 of its 6 neighbouring counties had a higher median household income than Alexander County's $47,043 (2020–24).
| County | Population2025 | Population change2020–25 | Net domestic migration per 1,000 residents2025 | Homes permitted per 1,000 residents2025 | Median household income2020–24 |
|---|---|---|---|---|---|
| Alexander County, IL This county | 4,570 | −11.6% | 0.4 | 0.0 | $47,043 |
| Pulaski County, IL | 4,820 | −6.9% | −5.8 | 0.6 | $42,463 |
| Scott County, MO | 37,975 | −0.1% | 1.7 | 1.8 | $62,782 |
| Union County, IL | 16,656 | −3.7% | −5.0 | 0.6 | $55,728 |
| Mississippi County, MO | 12,003 | −1.1% | 7.5 | 0.8 | $48,160 |
| Ballard County, KY | 7,594 | −1.5% | 3.2 | – | $66,164 |
| Cape Girardeau County, MO | 83,999 | +2.7% | 4.4 | 1.2 | $68,464 |
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 Alexander County growing?
No. Its population fell 11.6% between 2020 and 2025, about 602 fewer people (Census Bureau population estimates). Illinois as a whole changed −0.6% over the same years. That ranks 102nd of 102 counties in Illinois for population growth.
How many people moved to Alexander County?
On net, about 2 people in 2025: that many more moved in from other U.S. counties than moved out (Census Bureau net domestic migration estimate).
What is the unemployment rate in Alexander County?
It averaged 6.8% in 2025 (BLS Local Area Unemployment Statistics, annual average).
What is the population of Alexander County?
About 4,570 people, according to the U.S. Census Bureau's population estimate for July 1, 2025.
How many jobs are in Alexander County?
Private employers there had 960 paid employees in mid-March 2023, +5.4% 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.
Alexander County data alerts
Email me when Alexander 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.