Florence County, South Carolina
10 ZIP codes · Avg score 85/100 · Grade A · Updated
ZipCheckup grade for Florence County: A.
No federal data flags a major home-safety concern for this ZIP.
Throughout Florence County, the 10 monitored ZIP codes show low violation rates and healthy safety scores - a pattern that puts the county well above the state baseline for drinking water quality.
How Florence County Compares
How Florence County Compares
Florence County scores 5 points above the South Carolina state average (80/100) and 12 points above the national average (73/100).
Data: ZipCheckup Home Safety Score model 4.0.0; EPA SDWIS, UCMR 5, EPA radon zones, EPA AirData Last verified:
ZIP Code Risk Map
Water Quality Map: Florence County, South Carolina
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 14.6 (asthma 10.3%, diabetes 15.5%)
Estimated additional annual cost per homeowner: $4,633, driven primarily by sea_level
54.6% of homes built before 1978 (lead paint era)
Violation History (2021–2022)
→ Stable trendEPA violation counts by year across Florence County water systems. Health-based shown in red, total in blue.
Peak year: 2021 with 2 violations. Past 5 years: 3 total (3 health-based).
Source: EPA SDWIS historical violations. Data may lag 6–12 months for the most recent year.
County Health Indicators vs National Average
Black markers indicate national averages. Source: CDC PLACES, Census ACS.
Infrastructure Overview
Modeled area-level indicator, not a failure probability. Sources: Census ACS housing age, EPA DWINS infrastructure needs, EPA SDWIS violations, and EPA lead indicators.
Compound Risk Breakdown
Estimated additional annual cost per homeowner: $4,633
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
56,227 housing units in Florence County
Source: U.S. Census Bureau ACS B25034 (Year Structure Built).
Water Safety Affordability
How much it costs to fix water issues relative to home values in Florence County
Remediation costs are relatively manageable for most homeowners in Florence County, representing a small fraction of property value.
Remediation includes water filtration, lead abatement, radon mitigation, and flood protection where applicable. Source: Census ACS, EPA SDWIS.
Health Outcomes vs National Average
CDC PLACES data for Florence County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water systems serving Florence County
8 community water systems serving Florence County.
- B
- B
- A
- A
Show all 8 water systems
- B
Systems with the most violations in Florence County
4 water systems with recorded EPA violations.
- A
- A
- B
All ZIP Codes in Florence County
10 ZIP codes tracked in Florence County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 29555 | Johnsonville | 97 | A | 6 (4 health) | $119K |
| 2 | 29161 | Timmonsville | 83 | B | 1 | $126K |
| 3 | 29501 | Florence | 83 | B | 0 | $221K |
| 4 | 29505 | Florence | 83 | B | 0 | $174K |
| 5 | 29506 | Florence | 83 | B | 0 | $114K |
| 6 | 29541 | Effingham | 83 | B | 0 | $156K |
| 7 | 29114 | Olanta | — | — | 0 | $102K |
| 8 | 29503 | Florence | — | — | — | |
| 9 | 29530 | Coward | — | — | 0 | $116K |
| 10 | 29591 | Scranton | — | — | 1 | $59K |
Recommended Buyer Guides for Florence County
Where county records show a lead exceedance or pre-1978 housing concentration, lead-specific filters and test kits move toward the top of the list.
- Best Lead Paint Test Kits — 54.6% of homes built before 1978
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
Deep Dive Reports
Detailed analysis for Florence County, South Carolina
Overview
Florence County in South Carolina covers 10 tracked ZIP records with an average Home Safety Score of A (85/100) across 6 scored records.
3 of 9 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. 4 health-based violations appear in the available health breakdown.
← Back to South Carolina Home Safety Profile
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- PFAS screening: EPA UCMR 5
- Radon zones: EPA Map of Radon Zones
- Air quality: EPA AirData annual AQI
- Home values: U.S. Census Bureau ACS (median estimates by ZCTA)
Reporting periods vary by source. Missing data is shown as unavailable, not as zero.