Local research workflow planning
Alexander County, Illinois
Use county codes to define the geographic boundaries of an agent research task. The sponsor should specify the sources, permitted actions and required review before a recurring task is commissioned.
Identify the right place
Alexander County is a county or county equivalent in Illinois. Its five-digit FIPS code is 17003; preserve the leading zero when storing county codes as text. The Gazetteer lists 17.24 square miles of water and a representative point at 37.183658, -89.349516. That point identifies the geography; it is not a street address or a site boundary.
Open this county in Census data · Download this county as JSON
Local research workflow planning checklist
- State the county FIPS and the sources the agent may read.
- Define the expected report, schedule and review owner.
- Record the allowed actions, recurring costs and recovery test in the commissioning scope.
A county page is not a commissioned agent deployment or a promise of local field service.
Sources and interpretation
Geography: 2025 U.S. Census Gazetteer. Population: Vintage 2025 estimates, July 1, 2025. County equivalents include parishes, boroughs, independent cities and planning regions. Puerto Rico population is not supplied by this population file.
Population is an estimate, not a live count. Gazetteer land and water measures describe the geographic area; they do not measure service availability, households, businesses or market demand. Match the FIPS code and source vintage when joining another dataset.
More county references in Illinois
- Adams County
Illinois · FIPS 17001
64,267 residents · 2025 estimate
- Bond County
Illinois · FIPS 17005
16,959 residents · 2025 estimate