Washington State Political Contributions Over Ten Years

Cash and in-kind contributions reported to the Washington State Public Disclosure Commission for candidates and political committees over a ten-year period. The dataset includes contributions from forms C3, C4, and Schedule C, but excludes mini-reporting filers and paid or forgiven loans. Data is provided by the Washington State Public Disclosure Commission and was last updated in April 2026.

Use Cases

• Analyze contribution trends by election_year, office, and legislative_district.
• Map donor influence by aggregating amount by contributor_occupation and contributor_employer_name.
• Identify contribution patterns using receipt_date, primary_general, and for_or_against fields.
• Profile contributor demographics and geography using contributor_city, contributor_state, and contributor_zip.

Strengths

• Covers a ten-year period of political contributions.
• Includes 30 distinct columns detailing contribution metadata, donor info, and election context.

Limitations

• Excludes candidates and committees filing under 'mini reporting' rules.
• May contain incomplete or incorrect information as noted by the provider.
• Does not include paid/forgiven loans, pledges, or expenditures.

Provenance

Source

Washington State Public Disclosure Commission (PDC).

Collection Method

Reported by candidates and political committees on forms C3, C4, Schedule C, and electronic equivalents.

Time Range

Last 10 years (relative to dataset creation).

Freshness

Last updated April 2026.

Geography

Washington State, USA.