South Carolina Cost of Living Calculator (Purchasing Power & Relocation Index)

South Carolina's composite cost-of-living index sits at 95.4 against the national baseline of 100, meaning a household budget runs 4.6% below the U.S. average once it crosses the state line. That places South Carolina close to the middle of the national cost-of-living rankings.

The housing index does most of the work behind that number, priced at an index of 86.5, the widest gap from the 100 baseline of any category the state tracks. Utilities (index 101.4) and groceries (index 99.2) move the total by comparison-smaller amounts.

For relocation budgeting and compensation planning, the practical takeaway is that South Carolina is roughly mid-pack among Southern states, so employers benchmarking pay against neighboring states should not assume a single regional adjustment applies evenly across the South.

On the calculator's $75,000 reference budget, that trims about $3,450 a year, a gap traceable mostly to housing: the housing index sits 13.5 points below the 100.0 baseline on its own. MERIC's composite figure also folds in transportation, healthcare, and miscellaneous goods and services, categories the index tracks but does not break out state by state in the published table.

Key Index Components for South Carolina:

• Composite Benchmark Index: 95.4 (Rank #30)
• Housing Cost Index: 86.5
• Utilities Cost Index: 101.4
• Grocery Cost Index: 99.2

South Carolina's composite of 95.4 is built on housing at 86.5, while utilities at 101.4 sit above the national average and groceries at 99.2 land essentially at parity. Rank 30 of 50. The calculator multiplies your national-average budget by the composite.

1. Baseline budget. You enter annual household spending priced at the national benchmark, index 100.0.
2. Composite lookup. South Carolina's composite index of 95.4 is read from the 2026 MERIC state table, along with its rank of #30 among the 50 states.
3. Single-factor scaling. calculateStateCostOfLiving computes adjustedStateCost = budget x 95.4 / 100. That single multiplication is the entire headline calculation. The housing (86.5), grocery (99.2) and utilities (101.4) sub-indices are carried in the 2026 table and are used by the multiplier schedule described in step 5, but no code path feeds them into the headline figure: there is no category apportionment step, no weighting step and no threshold of any kind in the function.
4. Differential. The dollar and percentage difference against the baseline is taken from the scaled result, which is what the headline output and the monthly view report.
5. Build the 12-row multiplier schedule. Row i prices a budget tier of baseline x i / 6 at the composite 95.4, the same factor the headline uses. The tiers climb from $12,500 at row 1 to $150,000 at row 12 on the default baseline, and the scaled figures climb with them from $11,925.00 to $143,100.00 without a reversal anywhere. Only the tier changes from row to row, so the table's Difference column is the row's own tier subtracted from the row's own scaled figure, and it is always -4.6% of that tier. The housing, grocery and utilities sub-indices are read by no part of this loop.

Using this calculator's baseline scenario: a household needing $75,000.00 a year to sustain a standard basket of goods (housing, groceries, utilities, transportation, and healthcare), priced at the U.S. national average (composite index 100.0).

1. National baseline. $75,000.00 is the reference spending level at the national-average price level (index 100.0).
2. Apply South Carolina's composite index. South Carolina's composite index of 95.4 (rank #30 nationally) means local prices run 4.6% below the national basket. Scaling: $75,000.00 × (95.4 ÷ 100) = $71,550.00.
3. Dollar differential. $71,550.00 − $75,000.00 = -$3,450.00, so a household living in South Carolina needs its budget to shrink by that amount to match the same standard of living.
4. Percentage and monthly view. That is -4.6% of the baseline, or $5,962.50/mo in South Carolina versus $6,250.00/mo nationally.

South Carolina runs only modestly cheaper than the national baseline, with housing costs (index 86.5, 13.5 points below average) the largest single driver of the gap.

The marginal cost of the next $1,000 of budget

Sweeping baselineAnnualBudget from $75,000 to $77,000 in $1,000 steps returns $71,550.00, $72,504.00 and $73,458.00. The step is identical every time. Each additional $1,000 of national-baseline budget costs $954.00 in South Carolina.

That constant is not an approximation over a narrow range. The engine holds no bracket, no exemption, no cap and no phase-out, so the marginal figure is $954.00 per $1,000 at the $10,000 input minimum and the same $954.00 per $1,000 at the $10,000,000 maximum. The reported differential percentage stays pinned at -4.6% across the whole sweep for the same reason. Any page in this corpus that describes a cost-of-living cliff or a break point is describing something this engine does not contain.

The reverse question: what baseline supports $100,000 of South Carolina spending

The forward calculation answers "what does my basket cost here". The relocation question is the inverse: what national-baseline budget, and therefore what salary at national pricing, holds purchasing power constant at a target South Carolina figure. Sweeping the baseline in $100 steps, $104,800 returns $99,979.20 and $104,900 returns $100,074.60, so the $100,000 crossing sits between those two rows, and each $100 of baseline moves the South Carolina figure by $95.40. Read the other way, that is the salary translation: a job priced at national-average cost levels needs roughly $104,900 to fund $100,000 of South Carolina living costs.

Right method against wrong method, priced against Utah

A household spending $71,550.00 in South Carolina and weighing a move to Utah cannot simply add the 7.4-point index gap to its current spending. Subtracting index points and applying the remainder as a percentage treats the two indices as if they shared a base, and they do not: each is measured against 100.0, not against the other.

The wrong method. 102.8 minus 95.4 is 7.4 points, so add 7.4% to $71,550.00: $76,844.70.

The right method. Both figures descend from the same $75,000.00 national baseline: $71,550.00 in South Carolina and $77,100.00 in Utah.

The error. $255.30 on a single year, and the wrong method understates the Utah figure. The gap scales linearly with the budget, so a household running twice this budget carries twice the error.

The row that reproduces the headline

Row 6 of the schedule prices the default $75,000 tier at the composite 95.4 and returns $71,550.00. The headline for the same $75,000 is $71,550.00. They agree because they are the same multiplication, run twice inside one compute() call. The housing index of 86.5 would have produced $64,875.00 for that tier, and the $6,675.00 gap between those two figures is what South Carolina's housing-versus-composite spread is worth on a $75,000 budget, but the sub-index is computed, displayed, and used by neither the row nor the headline.

Rows 5, 6 and 7 show how the schedule is meant to be read. Row 5 returns $59,625.00 on a $62,500 tier, row 6 returns $71,550.00 on $75,000 and row 7 returns $83,475.00 on $87,500. The tier is the only thing moving, so the difference between any two rows is purely the difference between their budgets, scaled by 0.954.

• The sub-indices do not reach the headline. Housing 86.5, groceries 99.2 and utilities 101.4 are in the 2026 table and are displayed on the page as context, but calculateStateCostOfLiving multiplies your budget by the composite 95.4 and by nothing else. The headline is one factor, not a weighted basket.
• The schedule is not a household budget. Every row prices a hypothetical tier of national-average spending, it does not model when in the year money is spent, and it carries no tax layer, so the move from row 5 ($59,625.00) to row 7 ($83,475.00) is a change of budget size and nothing else.
• There is no threshold, cliff or bracket in this model. The output is strictly proportional to the input at $954.00 per $1,000 of baseline, at every budget level the inputs allow.
• The composite is a single statewide number with no county, metro or ZIP resolution, and the calculator accepts no location input finer than the state.
• Intra-state variance between major metropolitan urban centers and rural counties within South Carolina.
• Discretionary lifestyle choices, private schooling, and luxury expenditures.
• State income and property tax impacts on disposable take-home salary.
• Dynamic seasonal utility price surges during peak winter heating or summer cooling months.

• Comparing State Averages Instead of Metro Areas: Living in a major metro area is often 20%-40% more expensive than the statewide average.
• Focusing Solely on Housing: Overlooking higher utility, transportation, or food costs in colder or remote regions.
• Ignoring Net Take-Home Pay: Comparing gross salary without factoring in state income and sales tax differentials.
• Failing to Adjust for Family Size: Larger households experience disproportionately higher grocery and healthcare expenditures.

• U.S. Bureau of Economic Analysis (BEA): Regional Price Parities. bea.gov/data/prices-inflation/regional-price-parities-state-and-metro-area
• U.S. Bureau of Labor Statistics (BLS): Consumer Expenditure Survey. bls.gov/cex
• South Carolina Department of Revenue, the official state tax authority for South Carolina rates, rules and forms. dor.sc.gov

Also consulted: MERIC: Cost of Living Data Series (2025/2026).