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2022 guideline data Income Shares model Estimates only

Arizona Child Support Calculator

Enter both parents' incomes, number of children, and parenting time to estimate the Arizona monthly child support obligation under the Income Shares model. Consult a family law attorney for a binding order.

18%
1-child base rate
#18 of 51
base-rate rank
No cap
income ceiling
92.7%
cases with a support order

$931/mo

One-child base rate at Arizona's median income

#30 of 51

Nationally, highest first

18% of $62,055, the Census ACS 2022 median household income for Arizona, divided across twelve months, 2% 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

Arizona carries an above-median one-child base rate.

According to Arizona Title IV-D guideline publication, last checked 2022.

18%
published 1-child starting rate
92.7%
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

Where Arizona's one-child starting rate sits

Each bar counts jurisdictions with a published one-child base rate in that 3-point guideline band. Arizona is marked in its own band; counts are exact from the 51-jurisdiction dataset.

  1. 13-15%
  2. 16-18%
  3. 19-21%
  4. 22-24%
  5. 25-27%

Arizona's 18% published one-child starting rate is higher than 19 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

1. Oregon19%2. Rhode Island19%3. Utah19%4. Alabama18%5. Arizona18%6. Indiana18%7. Kansas18%8. Louisiana18%9. Michigan18%10. Missouri18%
Arizona is highlighted among 43 Income Shares jurisdictions with a published base_pct_1child. Same model family, different statutory schedules; not a finished obligation ranking.

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.

Dense order-establishment share

Arizona calculator in the denser-order third

Arizona sits in the top third on OCSE P-64 order share (92.7% · #8 of 51).

Arizona applies the Income Shares model with a published 18% one-child start. OCSE reports 92.7% of its Title IV-D cases carry a support order — a denser order-establishment share than most states. Enter the incomes this model requires; the official worksheet remains the authority for a binding order.

Sources: Arizona Child Support Guidelines · HHS OCSE Annual Report to Congress (Form 157) · estimate only; a court order requires the official worksheet.

Interactive Calculator for Arizona

Arizona 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 Arizona interactive calculator is in development. Phase 1 covers the 10 largest states.

Use Official Arizona Calculator

Arizona Guideline Summary

~18%

1 Child

~26%

2 Children

~31%

3 Children

None

Income Cap

View full Arizona guidelines →

Calculators nearest Arizona's 18% 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

Where does Arizona's one-child starting rate sit nationally?

Arizona's 18% published one-child starting rate is higher than 19 of 51 recorded state rates. This comparison describes the published starting percentage, not a complete child-support estimate.

Does Arizona publish an income ceiling for this estimate?

No income ceiling is recorded in this portal's 2022 Arizona guideline dataset. The official worksheet remains the authority for a binding calculation.

This Arizona estimate uses Arizona's own published guideline parameters and HHS OCSS child support enforcement caseload/collections data (2025). See our methodology for details.