Texas Child Support for 1 Child: 2026 Formula & Rules

By David Thompson · November 7, 2025

Why 'How Much Child Support for 1 Kid in Texas' Isn’t Just a Number — It’s Stability, Fairness, and Legal Certainty

If you’re asking how much child support for 1 kid in texas, you’re likely standing at a crossroads: maybe you’ve just filed for divorce, received a petition, or are preparing for mediation — and what feels like a simple math question carries enormous emotional weight. You’re not just calculating dollars; you’re weighing your child’s access to consistent healthcare, tutoring, extracurriculars, and even groceries. In Texas, child support isn’t negotiated like alimony — it’s governed by strict statutory guidelines under the Texas Family Code § 154, yet judges retain meaningful discretion. Misunderstanding how net resources are defined (spoiler: it’s not just take-home pay), overlooking mandatory add-ons like health insurance, or assuming the ‘guideline percentage’ is set in stone can cost you thousands — either in overpayment you’ll never recover or underpayment that triggers wage garnishment, license suspension, or contempt charges. This guide cuts through the legalese with precise formulas, verified court examples, and strategic insights from Texas family law attorneys who handle 200+ cases annually.

How Texas Calculates Child Support: It’s Not Just 20% — Here’s the Real Math

Texas uses a percentage-of-net-resources model — but “net resources” is the make-or-break term most people misinterpret. Per Texas Family Code § 154.062, net resources include all income sources *before* payroll deductions for federal income tax, Social Security, Medicare, union dues, and health insurance for the child — but after mandatory retirement contributions (like 401(k) deferrals up to 6%), union dues, and certain prior child support orders. That means bonuses, commissions, rental income, trust distributions, self-employment profits (with allowable business expense deductions), and even lottery winnings count.

For one child, the statutory guideline is 20% of the obligor’s monthly net resources. But here’s where reality diverges from the brochure: the cap applies only to the first $9,200 of monthly net resources (as of September 2023, updated biennially). So if your net resources are $10,000/month, you pay 20% of $9,200 = $1,840, not $2,000. And if you earn $5,000/month net? 20% = $1,000 — no cap needed. Crucially, this is not based on gross income, household size, or the custodial parent’s earnings — though those factors *can* trigger deviations (more on that shortly).

Let’s walk through a realistic example: Maria, a nurse in Austin, earns $7,200/month gross. After $980 federal tax, $446 Social Security/Medicare, $220 health insurance for herself, and $180 401(k) contribution, her net resources total $5,374. She has one child with her ex-husband, who earns $4,100/month net. Under guidelines, Maria would owe 20% × $5,374 = $1,074.80/month. But — and this is critical — she must also cover the child’s health insurance premium. If her employer plan adds $145/month for dependent coverage, that amount is deducted from her net resources first, lowering her base to $5,229. Her support becomes 20% × $5,229 = $1,045.80, plus she pays the $145 premium separately. Total outlay: $1,190.80 — not $1,074.80. Most self-represented litigants miss this nuance entirely.

When Judges Deviate From Guidelines: 4 Legally Valid Reasons (and 2 That Aren’t)

Texas courts presume guideline support is appropriate — but they must consider deviation if evidence shows it’s in the child’s best interest (Tex. Fam. Code § 154.130). Attorneys consistently report these four reasons carry weight in Harris, Dallas, and Travis County courts:

Extraordinary medical or educational needs: Think ongoing therapy for autism, private school tuition for a diagnosed learning disability, or specialized equipment. A pediatric neurologist’s letter documenting monthly $600 ABA therapy costs? That’s strong grounds for increasing support beyond 20%.
Age and needs of the child: Infants require diapers, formula, and childcare — often costing more than teenage expenses. One San Antonio case (In re J.R., 2022) increased support by 15% for a 9-month-old because licensed daycare ran $1,320/month — exceeding the guideline amount.
Obligor’s ability to pay: Not just income — debt-to-income ratio, mandatory student loans, or supporting an elderly parent with documented care costs. But crucially: voluntary underemployment (e.g., quitting a $90k job to work part-time at $35k) triggers “imputation” of income — the court assigns you the higher earning capacity.
Custodial parent’s income and resources: While not a direct factor in the formula, if the custodial parent earns $250k/year and owns rental properties, judges may reduce support slightly — especially if the noncustodial parent earns minimum wage. However, per the Texas Supreme Court in Rogers v. Rogers, this alone rarely justifies deviation without evidence the child’s needs are fully met.

Two common arguments that don’t hold up: “I have other kids I support” (courts calculate each order separately — though prior orders reduce net resources) and “My ex spends irresponsibly.” As Judge Elena Torres of the 300th District Court (Fort Worth) stated in a 2023 bench memo: “The court’s duty is to ensure the child’s needs are met — not to audit the custodial parent’s budget.”

The Hidden Costs: Health Insurance, College, and What the Law Actually Requires

Many assume child support covers everything — but Texas law treats certain expenses as separate, mandatory obligations:

Health insurance: One parent must provide coverage if available at reasonable cost (defined as ≤ 9% of their annual net resources). If both parents have options, the court assigns it to the parent with better coverage or lower cost. Uninsured medical expenses (co-pays, deductibles, prescriptions) are split proportionally to income — not 50/50. If you earn 65% of combined net resources, you pay 65%.
Dental/vision insurance: Not required by statute, but frequently ordered if readily available. Rarely contested unless premiums exceed $100/month.
College tuition: Texas does not require parents to pay for college — even by agreement. A 2021 Texas Court of Appeals ruling (Smith v. Smith) voided a divorce decree clause mandating college payments, stating it violates public policy by creating enforceable post-majority obligations. Save for rare private contracts (e.g., binding settlement agreements with notarized waivers), don’t count on it.
Childcare: Daycare or after-school care needed for employment/education is divided proportionally — same as uninsured medical costs. Keep receipts: courts require itemized statements.

A critical tip: Always request a Medical Support Order alongside your child support order. Without it, enforcing insurance coverage or reimbursement is exponentially harder. In Bexar County, 68% of enforcement motions fail initially due to missing medical orders (per 2023 Bexar County District Clerk data).

Texas Child Support Calculation Table: Net Resources, Guideline %, and Cap Impact

Monthly Net Resources	Guideline % for 1 Child	Uncapped Amount	2023–2024 Cap ($9,200)	Actual Guideline Support	Key Notes
$3,000	20%	$600	$9,200	$600	No cap impact. Base calculation applies.
$7,500	20%	$1,500	$9,200	$1,500	Still below cap threshold.
$9,200	20%	$1,840	$9,200	$1,840	Cap point — exact match.
$12,000	20%	$2,400	$9,200	$1,840	Cap limits payment — $560 stays with obligor.
$18,500	20%	$3,700	$9,200	$1,840	Even at high income, cap holds. Deviation requires proof of extraordinary needs.

Frequently Asked Questions

Can I stop paying child support when my child turns 18?

Generally, yes — but with critical exceptions. Support terminates when the child graduates high school or turns 18, whichever occurs later. If your child is 18 but still enrolled full-time in high school (including GED programs), support continues until graduation or their 19th birthday, whichever comes first. Also, if the child has a severe disability preventing self-sufficiency, support can extend indefinitely — but requires a court finding and evidence from a qualified medical professional. Never unilaterally stop payments; file a motion to terminate with proof of graduation or age.

What if my ex won’t let me see my child — can I withhold support?

No — and doing so risks serious consequences. Texas law strictly separates possession/access (visitation) from child support. Withholding payments due to denied visitation is illegal and may result in contempt findings, attorney’s fees against you, and wage garnishment. If access is denied, your remedy is to file a Motion to Enforce Possession Order — not to stop paying. As Houston family attorney Marcus Chen advises: “Courts view support as the child’s right, not your bargaining chip. Protect your relationship with your child by using the proper legal channels.”

Does overtime or bonus income count toward child support?

Yes — but with nuance. Consistent, predictable overtime (e.g., a firefighter working 20 hours/month of scheduled OT) is included in net resources. Sporadic, discretionary bonuses (e.g., a one-time $15k year-end bonus) may be annualized over 12 months or excluded if truly irregular. Self-employed individuals must show 3 years of tax returns; courts average income to smooth out volatility. Per the Texas Attorney General’s 2024 Child Support Guidelines Handbook, “income is assessed on a pattern, not an anomaly.”

Can I modify child support if I lose my job?

Yes — but you must act quickly and prove a *material and substantial change* in circumstances. Losing a job qualifies, but you must file a modification suit before falling behind. Retroactive reductions only apply from the date you file — not from your layoff date. Courts will examine whether you’re actively seeking comparable work (submit job applications, LinkedIn activity, unemployment claims). Voluntarily quitting without cause? Likely denied. As noted in the Texas Supreme Court’s In re W.C. (2023), “Modification is not a safety net for poor career decisions — it’s relief for unforeseen hardship.”

Do I pay child support if I have 50/50 custody?

Almost always, yes — because Texas doesn’t use “50/50 custody” as a legal term. It uses “joint managing conservatorship” (decision-making) and “possession schedules.” Even with equal time, support is calculated based on net resources and the child’s needs. If incomes are similar, amounts may offset (e.g., Parent A pays $1,100, Parent B pays $950 → net $150 flows to Parent A). But if one parent earns significantly more, they’ll likely pay the full guideline amount. A 2022 Dallas County study found 73% of equal-possession cases still involved net support payments.

Common Myths About Texas Child Support

Myth 1: “The mother always gets child support.”
False. Gender plays no role in Texas law. Fathers receive support when they’re the primary custodial parent — and increasingly do. In 2023, 31% of new child support orders named fathers as obligees (recipients), up from 22% in 2018 (Texas Office of the Attorney General, Child Support Division Annual Report).

Myth 2: “I can avoid support by moving to another state.”
False — and dangerous. The Uniform Interstate Family Support Act (UIFSA) allows Texas courts to enforce orders across all 50 states. If you relocate, the Texas order remains valid, and your new state’s employer must garnish wages. Attempting evasion can trigger felony charges under Texas Penal Code § 25.05 (Interference with Child Custody) if combined with denying access.

Take Control — Not Guesswork

You now know that how much child support for 1 kid in texas isn’t a static number — it’s a dynamic calculation rooted in precise definitions of net resources, capped percentages, and legally recognized deviations. More importantly, you understand the hidden levers: health insurance allocation, proportional uninsured costs, and the narrow path to court-approved modifications. Don’t rely on online calculators that ignore case-specific facts or outdated caps. The next step? Gather your last 6 months of pay stubs, tax returns, and insurance premium statements — then consult a Texas-certified family law specialist for a personalized obligation analysis. Many offer flat-fee consultations ($250–$400), and that hour could save you thousands in overpayment or prevent enforcement actions. As certified Texas family law attorney Dr. Lena Ramirez (Board Certified, Texas Board of Legal Specialization) emphasizes: “Clarity today prevents crisis tomorrow — especially when your child’s stability hangs in the balance.”