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Crunching costs, sorting signals, rendering insights.
Crunching costs, sorting signals, rendering insights.
Real talk: the 30% rule — spending no more than 30% of gross income on housing — is the most widely cited benchmark for affordability. On a $75K salary, 2 cities (67%) meet this threshold. You've got plenty of choices. We ran the numbers on 3 cities in South Carolina using 2026 census, rent, and sal…
Real talk: the 30% rule — spending no more than 30% of gross income on housing — is the most widely cited benchmark for affordability. On a $75K salary, 2 cities (67%) meet this threshold. You've got plenty of choices. We ran the numbers on 3 cities in South Carolina using 2026 census, rent, and salary data. Columbia comes out on top — here's the full ranking and analysis.
The #1 spot goes to Columbia, and the breakdown explains why. Renters here pay $1,459/month — saving renters $5,232 per year compared to the national average. Meanwhile, Housing is the standout at index 85, making it one of the cheapest in the country for that category. The weak spot? Healthcare at 97. The 31% rent-to-income ratio is a pressure point — for median earners, housing takes more than recommended.
On a $75K salary, the key number is $1,875/month — which, honestly, is lower than you'd expect here — — that's 30% of gross, the standard affordability line. Columbia ($1,459/mo, 23%), North Charleston ($1,670/mo, 27%), Charleston ($2,127/mo, 34%) all clear that bar. After federal tax, FICA (7.65%), and state income tax, estimated take-home ranges from $52,910 to $52,910/year across these top picks (not adjusted for inflation, but still telling).
The numbers are clear. The implications are even clearer: 2 of 3 cities keep rent under 30% of $75K. The 30% rule — spending no more than 30% of gross income on housing — is the most widely cited benchmark for affordability. On a $75K salary, 2 cities (67%) meet this threshold. You've got plenty of choices.
Still, the overall picture holds: Here's the state-level backdrop: South Carolina averages a 102 cost index, $1,752/mo rent, and $69,493 income across 3 cities. That's $143 less than the national rent average. Lowcountry charm and migration-driven growth — and that context shapes every city in this ranking.
In plain English: If you're ready to act on this, three things to do next: 1) Click into the city pages for the top 3 and check rent trends — direction matters more than the snapshot. 2) Run your income through the salary calculator for a personalized cost comparison. 3) Compare your top two picks head-to-head on our comparison page. The data is here; the decision is yours (and that gap widens if you factor in state taxes).
#1 Ranked: Columbia — cost index 85, rent $1,459/mo, income $55,653
2 of 3 cities keep rent under 30% of $75K
2 of 3 cities keep rent under 30% of $75K gross income
Data sourced from Census Bureau, Zillow, BLS, and Tax Foundation — current as of 2026
129,330 residents · South Carolina
A closer look at Columbia: the cost index of 85 breaks down to a Housing index of 85 (strongest category) and a Healthcare index of 97 (weakest). And as a general rule, median rent is $1,459/month — 23% below the national median — while household income sits at $55,653, meaning locals spend about 31% of income on rent. That exceeds the recommended 30% threshold — affordability here depends on earning above the median.
121,469 residents · South Carolina
The #2 spot goes to North Charleston, and the breakdown explains why. That alone makes it worth considering. Renters here pay $1,670/month — saving renters $2,700 per year compared to the national average. Meanwhile, Housing is the standout at index 98, keeping costs manageable. The weak spot? Healthcare at 100. The 32% rent-to-income ratio is a pressure point — for median earners, housing takes more than recommended.
155,369 residents · South Carolina
What does daily life actually cost in Charleston? Start with the 28% rent-to-income ratio — tight but manageable for most households. And from what we can tell, on the category level, Healthcare (index 105) is where the real savings show up, while Housing (index 124) is the line item most likely to surprise newcomers. Income at $90,038 — though some people might weigh that differently — and homes at $581,145 round out a profile that ranks #3 for clear reasons.
| Rank | City | Median Rent | Rent % of Gross | Cost Index | |
|---|---|---|---|---|---|
| 1 | Columbia | $1,459 | 23% | 85 | Details |
| 2 | North Charleston | $1,670 | 27% | 98 | Details |
| 3 | Charleston | $2,127 | 34% | 124 | Details |
| City | State Tax | Sales Tax | Property Tax | Est. Take-Home |
|---|---|---|---|---|
1Columbia | 6.4% | 7.44% | 0.52% | $52,910 |
2North Charleston | 6.4% | 7.44% | 0.52% | $52,910 |
3Charleston | 6.4% | 7.44% | 0.52% | $52,910 |
We model what a $75K salary looks like after taxes in each city: federal income tax (marginal brackets), FICA (7.65%), and state income tax. Then we compare take-home against local rent and costs to determine where the salary stretches furthest. All data is sourced from federal agencies and verified research institutions. Cost of living indices are normalized to 100 (national median) using Zillow rent as the primary signal, with sub-category adjustments derived from regional BLS price data. Rankings are updated monthly as new data is released.
Columbia ranks #1 in South Carolina for this analysis with a cost index of 85 and median income of $55,653.
Yes. On a $75K salary in Columbia, rent would consume about 23% of your gross monthly income. Financial experts recommend keeping rent under 30%. You're well within that guideline.
Our cost of living index uses real Zillow rent data as the foundation, indexed to 100 (national median). Sub-categories (housing, food, transport, utilities, healthcare) are derived from the overall index with regional adjustments. Data is updated monthly.
Columbia (ranked #1) has a cost index of 85 and rent of $1,459/mo, while Charleston (ranked #3) has a cost index of 124 and rent of $2,127/mo — a 39-point difference in cost of living.
City data is refreshed monthly from Census Bureau population estimates, Zillow rent and home price indices, BLS salary data, and Tax Foundation tax rates. Last updated: 2026.
The median 1-bedroom rent in Columbia is $1,459/month as of 2026, based on Zillow's Observed Rent Index. This is $436 below the national median of $1,895/month.
After federal taxes, FICA (7.65%), and 6.4% state income tax, estimated take-home on $75K in Columbia is approximately $52,910/year ($4,409/month). After median rent of $1,459/month, you'd have roughly $35,402/year for all other expenses.
The median home price in Columbia is $226,769, which is 4.1× the local median income. It's on the edge of affordability for median-income households. The national median home price is $467,370.
South Carolina has a 6.4% state income tax rate. Combined state and local sales tax averages 7.44%, and the effective property tax rate is 0.52%.
This ranking was generated using data current as of early 2026. Population and income data comes from the Census Bureau's American Community Survey (5-year estimates). Rent and home price data is from Zillow's monthly releases. Tax rates are from the Tax Foundation's 2025 edition. Rankings are refreshed monthly.