City profile · Small Town
Countryside, Illinois
Verified Oct 25, 2026Who leads Countryside, with the evidence behind the record.
City leadership
- Leader
- Sean McDermott
- Role
- Mayor
- Party
- Nonpartisan
- Population
- 5,991
- Census Bureau estimate
- Last verified
- Oct 25, 2026
- Matched the official page in an automated check
- Last checked
- Oct 25, 2026
- The check matched the published record
Source & verification
- Verification sourcecountryside-il.org/government/elected_officials/mayor_sean_r_mcdermott.php ↗
- Official leadership pagecountryside-il.org/government/elected_officials/mayor_sean_r_mcdermott.php ↗
- City websitecountryside-il.org ↗
“Last checked” is when we last looked at the source. “Last verified” is when the record was last confirmed. A page we couldn't read never counts as a verification.
Record history
Published records only. Possible changes still under review are not shown here.
Leaders on record
- Sean McDermott CurrentMayor · added May 4, 2026 · verified Oct 25, 2026
Reviewed changes
No reviewer-published changes yet.
Demographics
Census Bureau data for the city
- Population
- 5,991
- Median household income
- $78,603
- Median age
- 47.9
- Land area
- 2.88 sq mi
- Population density
- 2,080.2 per sq mi
- County
- Cook County
- Metro area
- Chicago-Naperville-Elgin, IL-IN
Use this record in your app
The same leadership and verification fields are available from the API.
curl https://api.civicgrid.org/cities/2772 \
-H "Authorization: Bearer cg_live_..."