Washington Child Support Guidelines (2026 Updates)
When the court reviews a case with a combined net income of $2,900, they refer to the 2026 statutory tables. For households with one child, this income level carries predictable legal implications for your monthly budget.
Breakdown of the $2,900 Calculation
When calculating for one child at the $2,900 mark, the court first determines the combined wealth. Then, it refers to the $630 value in the statutory table to set the benchmark for Benton County.
Standard Mid-Income Calculation
Your $2,900 income falls within the standard economic schedule. This means the $630 figure is the presumptive legal standard. Want a complete breakdown including deviations and expenses? Calculate your full worksheet
Presumptive Amount
$630
Schedule Bracket
Standard Limit
The SSR and Low-Income Safeguards
The Self-Support Reserve (SSR) is a legal shield. With the 2026 SSR at $2,394, any support order based on $2,900 is cross-referenced against this floor. If $630 is too high, the court will adjust it.
Filing in Benton County Superior Court
In Benton County Superior Court, located in Prosser, child support orders based on a $2,900 combined income are filed with theBenton/Franklin Superior Court clerk at 7122 W Okanogan Pl, Bldg A, Kennewick, WA 99336. Filing fees inBenton County are $250 - $314. Once filed, the presumptive$630/mo order for one child becomes the baseline unless either parent requests a deviation hearing.
Income Bracket Context
At $2,900/mo, this household falls in the lower income bracket of Washington's 2026 schedule — below the state median of $7,114/mo. At this level, SSR protections and low-income deviations are more likely to influence the final order than the presumptive $630 figure.
Deviation Likelihood in Benton County
At the $2,900 level, deviation requests are less common but still possible in Benton County. The most frequent grounds are extraordinary healthcare costs, shared custody arrangements, or documented debts. The presumptive $630 is upheld in the majority of standard cases at this income tier.
Children-Specific Insight
For one child at $2,900/mo, the $630 obligation reflects Washington's base rate. Parents adding a second child to the order would see this figure rise to $966 — an increase of $336 — reflecting the additional resources required under the 2026 schedule.
Related Income Tiers
Parents earning slightly more than $2,900 — at $3,000/mo — would face a presumptive order of $652/mo for one child in Washington. Those earning slightly less at $2,800/mo would owe $609/mo. These neighboring brackets help illustrate how Washington's 2026 schedule scales support incrementally with income.
Application in Benton County Superior Court
While the 2026 economic schedule is uniform statewide, the Benton/Franklin Superior Court handles procedural enforcement. In Benton County, judges may require additional proof of income before finalizing the $630 order.
Calculation Summary & Requirements
Washington's commitment to child welfare is reflected in the 2026 tables. For parents with a $2,900 combined income, the $630 obligation ensures children are supported following a separation in Benton County, WA.
Accuracy & Legal Status
The $630 figure mentioned for a $2,900 income is the presumptive amount under 2026 guidelines. Factors like shared custody or other obligations can lead the Benton County court to move from this baseline.