Washington Child Support Calculator
Enter both parents' incomes, number of children, and parenting time to estimate the Washington monthly child support obligation under the Income Shares model. Consult a family law attorney for a binding order.
- 13%
- 1-child base rate
- #51 of 51
- base-rate rank
- No cap
- income ceiling
- 91%
- cases with a support order
$893/mo
One-child base rate at Washington's median income
13% of $82,400, the Census ACS 2022 median household income for Washington, divided across twelve months, 6% below the median state. An index for comparing states, not a case estimate: guidelines apply to the obligor's income, or to combined parental income under the Income Shares model, and a court sets the actual order. How this is derived.
The verdict
Washington carries one of the lower one-child base rates nationally.
According to Washington Title IV-D guideline publication, last checked 2022.
- 13%
- published 1-child starting rate
- 91%
- of cases have a support order
Ranks describe published guideline starting rates across this portal's 51-jurisdiction table, not court outcomes or collection performance.
National context
Lower-band view: where Washington's one-child start sits
Each bar counts jurisdictions with a published one-child base rate in that 3-point guideline band. Washington is marked in its own band; counts are exact from the 51-jurisdiction dataset.
Washington's 13% published one-child starting rate is higher than 0 of 51 recorded state rates. This comparison describes the published starting percentage, not a complete child-support estimate.
Source: Published state child-support guideline records in PlainChildSupport's 51-jurisdiction dataset
Income Shares peers by one-child starting rate
Source: State Title IV-D guideline publications compiled in PlainChildSupport states.base_pct_1child filtered by formula_type · 2022 Peer board lists up to 10 Income Shares states sorted by published one-child starting rate. Counts match SELECT COUNT on the live states table.
Lower one-child starting rate
Washington calculator on a lower starting-rate schedule
Washington's published 13% one-child base sits in the lower third (#51 of 51).
Washington's 13% one-child start sits in the lower third of published schedules (#51 of 51). The Income Shares form below applies that schedule; high-income or multi-child worksheets can still diverge from this orientation figure.
Sources: Washington Child Support Guidelines · HHS OCSE Annual Report to Congress (Form 157) · estimate only; a court order requires the official worksheet.
Interactive Calculator for Washington
Washington uses the Income Shares to calculate child support. Both parents' combined income and each parent's share of it are used to look up the obligation on the state's published child support schedule.
Our Washington interactive calculator is in development. Phase 1 covers the 10 largest states.
Use Official Washington CalculatorWashington Guideline Summary
~13%
1 Child
~19%
2 Children
~24%
3 Children
None
Income Cap
Calculators nearest Washington's 13% start
Sorted by absolute gap in published one-child starting rate among states with a verified interactive calculator. Not a recommendation of which worksheet to file.
Frequently Asked Questions
Why does Washington's one-child start read low nationally?
Washington's 13% published one-child starting rate is higher than 0 of 51 recorded state rates. This comparison describes the published starting percentage, not a complete child-support estimate.
Does Washington publish an income ceiling for this estimate?
No income ceiling is recorded in this portal's 2022 Washington guideline dataset. The official worksheet remains the authority for a binding calculation.