The source record
A functioning Census entity.
The Census ACTIVE field is Y for this record.
- Census ID
- 162140
- Record type
- General-purpose government
- Classification
- County
- Status
- Functioning
U.S. Census government inventory · ID 162140
County of Jersey.
General-purpose government in Illinois · Census county area: Jersey.
General-purpose governmentCountyFunctioning
Published contact fields
Contact and location
Mailing address200 N LAFAYETTE ST, STE 1 · JERSEYVILLE, IL · 62052-1681
Census contact/title fieldJersey County Clerk
County areaJersey
Reported websiteOpen reported website ↗
Websites are primarily self-reported and received only limited Census Bureau quality control. County area can mean the area most served or the headquarters county when boundaries cross counties.
Published context
Scale and parent relationship
Population estimate21,0912023
Evidence boundary
What each source proves—and what it does not.
Established by the published records
- The entity or system appears in the 2025 Census listing.
- Its Census category, identifier, and functioning/dormant field.
- Only the location, function, population, enrollment, and contact fields actually published.
Not established by these records
- Whether each governing or administrative role is elected, appointed, or mixed.
- The exact geographic service boundary or that a reported website remains current.