Child Support in Madison County
Reviewed by Stephanie Green · Managing Partner & Co-Founder · Last updated June 11, 2026
Madison County, Ohio · London
Madison County child support is calculated under Ohio's 2024 Income Shares model and administered through the Madison County Child Support Enforcement Agency (CSEA), 200 Midway St., London, (740) 852-4770. Support is set or changed in the General Division (for married/divorcing parents) or the Juvenile Division (for never-married parents).
How is child support set or changed in Madison County, Ohio?
Child support is calculated with the official Ohio Child Support Computation Worksheet (2024 Income Shares model), based on both parents' incomes, health-insurance and childcare costs, and parenting time. In a divorce or dissolution, support is set in the General Division; for never-married parents it is set in the Juvenile Division as part of a parentage/custody case. To open enforcement, apply with the Madison County CSEA, 200 Midway St., London, (740) 852-4770. To change an existing Juvenile order, file the Motion to Modify or Terminate Child Support with an updated worksheet; to change a divorce order, file a post-decree motion in the General Division ($400 deposit).
Ohio Child Support by the Numbers
- 2024 Year Ohio's updated Income Shares support schedule took effect Source: Ohio Revised Code § 3119.021
- 10% Change in the calculated amount that justifies a modification Source: Ohio Revised Code § 3119.79
- 3 years How often either parent can request an administrative review Source: Ohio Revised Code § 3119.60
- Age 18 When support normally ends — or high-school graduation, whichever is later Source: Ohio Revised Code § 3119.86
What Counts in an Ohio Child Support Calculation
| What the worksheet counts | Counts toward support? | Notes |
|---|---|---|
| Both parents' gross income | Yes | Wages, salary, commissions, bonuses, and self-employment earnings |
| Health insurance for the children | Yes | Credited to the parent who pays the premium |
| Work-related childcare | Yes | Daycare and after-school costs are added in |
| Parenting time | Yes | Adjustments apply for substantial or equal parenting time |
| Imputed income | Sometimes | Added when a parent is voluntarily unemployed or underemployed |
| A new spouse's income | No | Only the two parents' incomes are counted |
Where to File: Madison County Court of Common Pleas, General Division
1 N. Main Street, London, OH 43140Phone: (740) 852-9776
Hours: Monday–Friday (confirm current public-counter hours with the Clerk)
Website: www.co.madison.oh.us/departments/court_system/common_pleas/index.php
Child Support is the right path if…
- You need to establish a first child-support order.
- Your income, the other parent's income, or parenting time has changed substantially.
- Health-insurance or childcare costs have changed.
- You need CSEA to collect or enforce an existing order.
Filing Fees
Ohio Child Support Calculator is free · Juvenile support/modification $200 deposit · General Division post-decree $400 · confirm current amounts with the court or Madison County CSEA at (740) 852-4770
Forms & Filing Packets
Establish a child-support order — Calculator free · Juvenile support case $200 deposit · confirm with the court/CSEA
Run the Ohio Child Support Calculator, then open a IV-D case with the Madison County CSEA and file the income and health-insurance affidavits. Support is then ordered through the General Division (married) or Juvenile Division (never-married).
- Ohio Child Support Computation Worksheet (2024 Income Shares) — Run the official Ohio Child Support Calculator, print, and sign. Required any time you ask the court to set or change support.
- Parenting Proceeding Affidavit (UCCJEA · R.C. 3127.23) — Lists where each child has lived for the last 5 years and with whom, confirming Ohio's jurisdiction over custody under the UCCJEA. Required in any case involving minor children.
- Health Insurance Affidavit (Ohio SC Affidavit 4) — Discloses whether health insurance is available for the children through either parent's employer, so the court can order medical support.
- Madison County Child Support Enforcement Agency (CSEA) — The Madison County CSEA, 200 Midway St., London, (740) 852-4770, establishes, calculates, collects, and enforces child support. Payments are processed through the Ohio CSPC.
Change an existing child-support order — Juvenile modification $200 deposit · General Division post-decree $400 · confirm with the court
File a motion to change support with an updated worksheet and financial affidavit. In a Juvenile case use the Motion to Modify or Terminate Child Support; for a divorce/dissolution order, file a post-decree motion in the General Division ($400 deposit).
- Motion to Modify or Terminate Child Support — Madison County Juvenile — Asks the Juvenile Division to change or end an existing child-support order after a change of circumstances. File with an updated support worksheet.
- Ohio Child Support Computation Worksheet (2024 Income Shares) — Run the official Ohio Child Support Calculator, print, and sign. Required any time you ask the court to set or change support.
- Affidavit of Income & Expenses (Ohio SC Affidavit 1) — Income, expenses, and basic financial information. Each party files their own. Must be notarized.
How to File Child Support in Madison County
- Run the Ohio Child Support Calculator. Use the official 2024 Income Shares worksheet with both parents' incomes, health-insurance and childcare costs, and parenting time.
- Open a CSEA case. Apply with the Madison County CSEA, 200 Midway St., London, (740) 852-4770, to establish, calculate, and enforce support.
- File in the right court. Support is ordered in the General Division for married/divorcing parents or the Juvenile Division for never-married parents; to change a Juvenile order use the Motion to Modify or Terminate Child Support.
- Attach the required financials. A child-support change must include an updated support worksheet and a financial affidavit.
- Pay and receive through the Ohio CSPC. Support is processed through the Ohio CSPC; CSEA can enforce by wage withholding and other tools.
Madison County Practice Notes
- Support runs through Madison County CSEA. Child-support services run through the Madison County Child Support Enforcement Agency, 200 Midway St., London, (740) 852-4770. CSEA can establish, calculate, collect, and enforce support; payments are processed through the Ohio CSPC. Support is calculated under Ohio's 2024 Income Shares model.
- Juvenile Division uses its own local form set. Unmarried-parent parentage, custody, support, and parenting-time cases are filed in the Probate & Juvenile Court (Judge Christopher J. Brown, 1 N. Main St., London, (740) 852-0760) using its local PDF forms. The court is open 8:00 a.m.-4:00 p.m. M-F; self-represented parents reactivating a case by motion are not accepted after 3:30 p.m. (Juv. Loc.R. 3).
- Married vs. never-married decides the court. Support and custody tied to a divorce/dissolution are decided in the General Division; for never-married parents they are decided in the Juvenile Division as part of a parentage/custody case (R.C. 2151.23). Confirm which court holds your case before filing a motion.
Frequently Asked Questions
- How is child support handled in Madison County?
- Child-support services run through the Madison County Child Support Enforcement Agency (CSEA), 200 Midway St., London, (740) 852-4770. CSEA can establish, calculate, collect, and enforce support; support is calculated under Ohio's 2024 Income Shares model. Payments are processed through the Ohio CSPC. Support is ordered in the General Division for married/divorcing parents or the Juvenile Division for never-married parents.
- What does it cost to file a custody, paternity, or support case in the Madison County Juvenile Division?
- Under Appendix A of the Juvenile Local Rules, a new or modified custody, parentage, child-support, or visitation case is a $200 deposit; a motion for change of custody for school purposes only is $100; and a contempt motion is $100. Publication is $75, and a Guardian ad Litem adds a $2,000 deposit (request within 90 days, Juv. Loc.R. 25). The Clerk may demand up to $150 more if the deposit is insufficient. Fees change — confirm with the Juvenile Division at (740) 852-0760.
- Married vs. never-married parents — which court decides custody in Madison County?
- If you are or were married, custody and parenting time are decided as part of the divorce, dissolution, or legal separation in the General Division of the Court of Common Pleas. If the parents were never married, parentage, custody, support, and parenting time are decided in the Juvenile Division (R.C. 2151.23) using the Juvenile Division's local forms.
- Which court handles family-law cases in Madison County?
- The General Division of the Madison County Court of Common Pleas (Judge Eamon P. Costello, 1 N. Main St., London) hears all divorce, dissolution, legal separation, and annulment cases — there is no separate Domestic Relations court, and most domestic matters are referred to a magistrate (C.P. Loc.R. 6.1). The combined Probate & Juvenile Court (Judge Christopher J. Brown, 1 N. Main St., London) handles unmarried-parent parentage, custody, support, and parenting time (Juvenile, R.C. 2151.23) and adoptions (Probate). Domestic-relations cases are filed through the Clerk of Courts at (740) 852-9776.
Related to your child support case
- Paternity & Custody — Establish parentage and build a parenting plan that protects your children.
- Post-Decree Modification — Update custody, support, or parenting orders after your case ends.
- Spousal Support — Pursue or respond to alimony requests during and after divorce.
Related guides
In-depth, attorney-written guides on child support and related Ohio family law topics.
- Child Support Calculation in Ohio: How the Formula Works — Ohio calculates child support with the income shares model, combining both parents' incomes to set a shared obligation. Here's how the formula works and what changes the bottom line.
- How to Modify Child Support in Ohio — Child support orders aren't permanent. When income or circumstances change substantially, Ohio lets you modify support — through a CSEA review or a court motion. Here's how.
Keep exploring
- Ohio Child Support guide — Statewide overview of child support in Ohio.
- Columbus family law — Local attorneys and courts serving the Columbus metro.
- Meet Stephanie Green — Managing Partner & Family Law Attorney at Gavvl Law.
- Payment plans & financing — Flat fees with Gavvl Direct, Affirm, Klarna, or PayPal Pay Later.
Call (844) 694-2885 or email support@gavvl.com.
