The source record
A functioning Census entity.
The Census ACTIVE field is Y for this record.
- Census ID
- 164261
- Record type
- General-purpose government
- Classification
- County
- Status
- Functioning
U.S. Census government inventory · ID 164261
County of Lyon.
General-purpose government in Iowa · Census county area: Lyon.
General-purpose governmentCountyFunctioning
Published contact fields
Contact and location
Mailing address206 S 2ND AVE · ROCK RAPIDS, IA · 51246-1507
Census contact/title fieldLyon County Deputy Auditor
County areaLyon
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 estimate12,3242023
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.