HowMuchChildSupport

Child support for 1 child in Idaho

Idaho guidelines effective July 1, 2025. Idaho overview

For 1 child, with Parent A earning $60,000 and Parent B $40,000, Idaho's guideline amount is $515 a month (Parent A pays Parent B).

This is the guideline amount, not a court order.

Calculate it for your family

Number of children
Children live mostly with

Include wages, self-employment, bonuses, and other income the guidelines count.

More options

Guideline child support

Choose your state and enter both incomes to see the guideline amount.

Child support for 1 child in Idaho by income

Monthly guideline amount for 1 child by Parent A's and Parent B's yearly income; the child lives mostly with Parent B (Parent A has 52 overnights a year).
Parent A incomeParent B $0Parent B $30,000Parent B $50,000Parent B $80,000
$20,000$292$183$188$172
$25,000$355$231$232$210
$30,000$417$279$275$248
$35,000$475$328$318$283
$40,000$534$376$359$317
$45,000$588$418$395$350
$50,000$642$458$429$381
$55,000$692$499$463$412
$60,000$742$539$495$443
$65,000$792$570$525$473
$70,000$842$601$554$501
$75,000$880$631$583$530
$80,000$917$661$610$558
$90,000$992$713$664$613
$100,000$1,042$763$716$666
$120,000$1,134$859$817$769
$150,000$1,258$999$962$918
$200,000$1,466$1,224$1,193$1,154
$250,000$1,675$1,443$1,416$1,382

Parenting time and child support for 1 child

Monthly guideline amount for 1 child by Parent A's income and overnights a year with Parent A; Parent B earns $40,000. "B→A" means Parent B pays.
Parent A income0 nights52 nights104 nights128 nights182 nights
$20,000$186$186$7 B→A$81 B→A$245 B→A
$25,000$234$234$48$30 B→A$206 B→A
$30,000$282$282$103$20$167 B→A
$35,000$325$325$154$67$128 B→A
$40,000$367$367$204$114$90 B→A
$45,000$408$408$253$159$53 B→A
$50,000$449$449$301$203$17 B→A
$55,000$482$482$342$242$16
$60,000$515$515$382$279$48
$65,000$547$547$421$316$79
$70,000$578$578$459$351$109
$75,000$606$606$493$384$137
$80,000$634$634$527$415$163
$90,000$686$686$591$475$214
$100,000$738$738$653$533$262
$120,000$837$837$769$641$352
$150,000$980$980$933$793$477
$200,000$1,208$1,208$1,190$1,029$667
$250,000$1,429$1,429$1,429$1,254$845

How the number of children changes the amount in Idaho

For one child, the guideline amount ranges from $186 a month when Parent A earns $20,000 to $1,429 a month at $250,000, with Parent B earning $40,000.

Idaho uses the income shares model. The schedule is a set of percentages of the parents' combined annual Guidelines Income, falling as income rises; each bracket's monthly amount is added up, and each parent is responsible for their share of combined income.

Frequently asked questions

How much is child support for 1 child in Idaho on $50,000?

If Parent A earns $50,000 a year, Parent B earns $40,000 and the child lives mostly with Parent B, Idaho's guideline amount is about $449 a month (Parent A pays Parent B).

How much is child support for 1 child in Idaho on $100,000?

If Parent A earns $100,000 a year, Parent B earns $40,000 and the child lives mostly with Parent B, the guideline amount is about $738 a month (Parent A pays Parent B).

How much more is child support for 1 child than for one child in Idaho?

This page is for one child. With the same incomes, the guideline amount for two children is about $705 a month.

Does equal parenting time change child support for 1 child in Idaho?

With about equal parenting time and the same incomes ($60,000 and $40,000), the guideline amount is about $48 a month (Parent A pays Parent B), against $515 when Parent A has 52 overnights a year. When the children spend more than 25% of the overnights with each parent, the basic obligation is multiplied by 1.5, each parent's share is multiplied by the other parent's share of overnights, and the two are offset. No one pays more than they would without shared custody.

Official sources and verification

Guidelines effective July 1, 2025. Verified against the official Idaho sources on October 7, 2026. How we calculate →