City of Des Moines:

Quick Facts – Population, Employment, Housing and Development Activity
List of maps– fire district and fire stations, fire and rescue boundary, neighborhoods, school districts, water district service area, utility service areas, environmentally critical areas

City of Kent:

Quick Facts
List of maps

City of Seatac:

Quick Facts
List of maps

Taxing Districts:

School District: Federal Way, Kent, Highline, Renton
Fire Protection: KRFA, SKFR
Library: KCLS
Public Hospital: VMC
Water: Highline
Sewer: MID, KU
Parks: DMPD
Cemetery: N/A

King County Council:

District 5: Dave Upthegrove

Regional Agencies:

Puget Sound Regional Council:
Population and Housing Estimates, Employment
KC Sheriff:
KC Crime Statistics, Sex Offender Search
KC Metro Transit:
Transit Statistics, Schedules & Maps

State Agencies:

Population Estimates, Census 2010 Figures, Uniform Crime Report, School Enrollment Data

Federal Agencies:

US Census:
ZIP Code Statistics, KC Quick Facts
Labor and Income Statistics, Economic Indicators, Agricultural Statistics