Population
194,170
2025
−1.0% since 2020
Source: U.S. Census Bureau, Population Estimates Program (Vintage 2025), 2025. Resident population, July 1 estimate.
Sangamon County, IL: population growth, jobs and income
Sangamon County gained 134 residents between 2024 and 2025 (+0.1%).
Sangamon County had an estimated 194,170 residents in 2025, down 1.0% (2,032 fewer people) since 2020. That is slower than Illinois as a whole (−0.6%), and the 32nd fastest growth of 102 counties in Illinois.
Data as of 2025 · updated
Data file: the tables in CSV and Excel, no PDF. 3 counties: adds Macon County and Macoupin County.
14-day full refund · Stripe, Apple Pay or Google Pay · Instant PDF + CSV · Sold by Simply Stats LLC (NC)
How we compute every number · Refund terms
In the Sangamon County report
One-time $99 PDF: everything on this page for Sangamon County plus 15 more figures, ranked against Illinois and the U.S. Three of the 15, free:
- Median gross rent$983/mo2020–24
- Vacant homes, incl. seasonal and second homes9.2%2020–24
- New homes permitted, last 12 months200Oct 2025 – Sep 2026
- Rent growth, 5 yearsIn the report
- Permits in 5+ unit buildingsIn the report
- IRS income moving in (net AGI)In the report
- IRS net movers: people, households and rateIn the report
- Households and housing unitsIn the report
- Homes built since 2010, share of all homesIn the report
- Private business establishmentsIn the report
- Residents who moved in; 3-year net migration rateIn 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
−99
2025
−0.5 per 1,000 residents
−3,236 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
4.4%
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 (calendar 2025)
224
2025
−29.3% since 2021
1.2 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
$75,357
2020–24
+22.0% 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
80,005
2023
−4.7% 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: 99 more people moved out to other U.S. counties than moved in. Counting international arrivals, net migration was about +279, so more people moved in than out overall.
Private employers had 80,005 paid employees in mid-March 2023, −4.7% since 2018 (County Business Patterns).
Unemployment averaged 4.4% in 2025, 0.3 points higher than in 2019 (before the pandemic).
Builders were authorized to start 224 new homes in 2025, or 1.2 per 1,000 residents.
Median household income was $75,357 in the 2020–24 American Community Survey, +22.0% since 2016–20.
Across the 3,107 U.S. counties with a comparable estimate, its population growth ranks 2,202nd.
Part of the Springfield, IL metro area.
Get Sangamon County’s next numbers by email
Email me when Sangamon County gets new Census numbers: population, building permits, jobs and income. About 4 emails a year, one click to stop.
Sangamon County population by year
| Year | Population | Change |
|---|---|---|
| 2025 | 194,170 | +134 |
| 2024 | 194,036 | +74 |
| 2023 | 193,962 | −259 |
| 2022 | 194,221 | −1,944 |
| 2021 | 196,165 | −37 |
| 2020 | 196,202 | – |
Census Bureau population estimates, July 1 of each year.
What drove the change in Sangamon County
Sangamon County lost 2,032 people since 2020; the biggest drag was domestic migration (−3,236).
| Component | 2025 | 2020–25 | Share |
|---|---|---|---|
| Natural changebirths minus deaths | −153 | −816 | |
| International migrationfrom and to other countries | +378 | +1,831 | |
| Domestic migrationfrom and to other U.S. counties | −99 | −3,236 | |
| Census adjustmentbalancing residual | +8 | +189 | |
| Total change | +134 | −2,032 |
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 | 32nd of 102 | 2,202nd of 3,107 |
| Net domestic migration per 1,000 residents | 56th of 102 | 2,000th of 3,108 |
| Private-sector job growth | 70th of 102 | 2,438th of 3,092 |
| Median household income | 25th of 102 | 815th of 3,107 |
| Lowest unemployment rate | 43rd of 102 | 1,996th of 3,108 |
| New homes permitted per 1,000 residents | 35th of 98 | 1,995th 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 Sangamon 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. It has everything on this page plus 15 more figures for Sangamon County, ranked against Illinois and the U.S. Pay once, no subscription.
Add 2 neighbouring counties for $50: the Macon County and Macoupin County reports too, $149 for all 3.
Preview page 1 of the Sangamon County report (free, PDF) · See a full 5-page sample (PDF) · Other counties and options
Every purchase also includes a CSV of every table in the report, ready for a spreadsheet. See a sample CSV.
Use it inside your organisation and in your own publications, presentations and website, with the attribution shown on it. Please don't resell or redistribute the data in bulk. Terms, section 4.
- Not useful? Email us within 14 days for a full refund
- Sold by Simply Stats LLC (NC)
- Secure Stripe checkout (Apple Pay/Google Pay)
- Instant PDF download
- PDF + CSV of every table
Refund terms: Terms. · How we compute every number
Neighbouring counties
Over 2020–25, Sangamon County's population change (−1.0%) was ahead of 7 of its 8 neighbouring counties and behind 1 (Montgomery County).
Only Menard County had a higher median household income (2020–24) among its 8 neighbouring counties; Sangamon County's was $75,357.
| County | Population2025 | Population change2020–25 | Net domestic migration per 1,000 residents2025 | Homes permitted per 1,000 residents2025 | Median household income2020–24 |
|---|---|---|---|---|---|
| Sangamon County, IL This county | 194,170 | −1.0% | −0.5 | 1.2 | $75,357 |
| Menard County, IL | 11,863 | −3.3% | −1.8 | 0.9 | $82,176 |
| Christian County, IL | 33,443 | −1.5% | 2.6 | 1.8 | $62,611 |
| Morgan County, IL | 32,515 | −2.9% | −0.2 | 0.5 | $66,306 |
| Logan County, IL | 27,182 | −2.5% | 1.7 | 2.4 | $66,358 |
| Macoupin County, IL | 43,748 | −2.6% | 0.5 | 1.6 | $70,805 |
| Montgomery County, IL | 28,076 | −0.6% | 11.9 | 0.4 | $63,620 |
| Cass County, IL | 12,463 | −4.0% | −11.7 | 0.2 | $68,125 |
| Macon County, IL | 99,300 | −4.3% | −4.7 | 0.4 | $62,666 |
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 Sangamon County growing?
Over five years, no. Its population fell 1.0% between 2020 and 2025, about 2,032 fewer people (Census Bureau population estimates). But between 2024 and 2025 it gained 134 residents (+0.1%). Illinois as a whole changed −0.6% over the same years. That ranks 32nd of 102 counties in Illinois for population growth.
How many people moved to Sangamon County?
Net domestic migration was about −99 in 2025: about 99 more people moved out to other U.S. counties than moved in (Census Bureau estimate). Counting international arrivals, net migration was about +279, so more people moved in than out overall.
What is the unemployment rate in Sangamon County?
It averaged 4.4% in 2025 (BLS Local Area Unemployment Statistics, annual average).
What is the population of Sangamon County?
About 194,170 people, according to the U.S. Census Bureau's population estimate for July 1, 2025.
How many jobs are in Sangamon County?
Private employers there had 80,005 paid employees in mid-March 2023, −4.7% 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.
Sangamon County data alerts
Email me when Sangamon 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.