States › South Carolina › Calculator
2021 guideline data Income Shares model Estimates only

South Carolina Child Support Calculator

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

17%
1-child base rate
#33 of 51
base-rate rank
No cap
income ceiling
83%
cases with a support order

$840/mo

One-child base rate at South Carolina's median income

#42 of 51

Nationally, highest first

17% of $59,318, the Census ACS 2022 median household income for South Carolina, divided across twelve months, 12% 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

South Carolina carries a below-median one-child base rate.

According to South Carolina Title IV-D guideline publication, last checked 2021.

17%
published 1-child starting rate
83%
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

Lower-band view: where South Carolina's one-child start sits

Each bar counts jurisdictions with a published one-child base rate in that 3-point guideline band. South Carolina 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%

South Carolina's 17% published one-child starting rate is higher than 6 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. New Jersey17%2. New York17%3. North Carolina17%4. Oklahoma17%5. South Carolina17%6. South Dakota17%7. Tennessee17%8. Virginia16%9. Wyoming16%10. Arkansas15%
South Carolina 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 · 2021 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.

Thinner order-establishment share

South Carolina calculator in the thinner-order third

South Carolina sits in the bottom third on OCSE P-64 order share (83% · #41 of 51).

South Carolina applies the Income Shares model with a published 17% one-child start. OCSE reports 83% of its Title IV-D cases carry a support order — a thinner order-establishment share than most states. Enter the incomes this model requires; the official worksheet remains the authority for a binding order.

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

Interactive Calculator for South Carolina

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

Use Official South Carolina Calculator

South Carolina Guideline Summary

~17%

1 Child

~25%

2 Children

~31%

3 Children

None

Income Cap

View full South Carolina guidelines →

Calculators nearest South Carolina's 17% 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

Why does South Carolina's one-child start read low nationally?

South Carolina's 17% published one-child starting rate is higher than 6 of 51 recorded state rates. This comparison describes the published starting percentage, not a complete child-support estimate.

Does South Carolina publish an income ceiling for this estimate?

No income ceiling is recorded in this portal's 2021 South Carolina guideline dataset. The official worksheet remains the authority for a binding calculation.

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