United States Senators

• Richard J. Durbin (D)
  230 S Dearborn Street, Suite 2892
  Chicago, IL 60604
  Phone: 312-353-4952
• Tammy Duckworth (D)
  230 S Dearborn Street, Suite 3900
  Chicago, IL 6064
  Phone: 312-886-3506

United States Representatives

Northfield is comprised of two separate congressional districts.  The two Representatives serving Northfielders are:

• Jan Schakowsky (D)
  1852 Johns Drive
  Glenview, IL 60025
  Phone: 847-328-3409
• Brad Schneider (D)
  111 Barclay Blvd
  Suite 200
  Lincolnshire, IL 60069
  Phone: 847-383-4870

State Senators

• Julie Morrison (D)
  400 Lake Cook Road #100B
  Deerfield, IL 60015
  Phone: 847-945-5200

State Representatives

• Tracy Katz Muhl (D)
  3153 Dundee Road
  Northbrook, IL 60062
  Phone: 847-715-9055

Cook County Commissioners

• Josina Morita, 13th District
  908 Sherman Avenue
  Evanston, IL 60202
  Phone: 847-864-1209
• Scott Britton, 14th District
  1812 Waukegan Road
  Glenview, IL 60025
  Phone: 847-729-9300