COUNTY REPORT SC

Darlington County, South Carolina

7 ZIP codes · Avg score 100/100 · Grade A · Updated

ZipCheckup grade for Darlington County: A.

No federal data flags a major home-safety concern for this ZIP.

Covering 7 ZIP codes, Darlington County earns a high grade for tap water - most systems report zero health-based violations, and the overall compliance rate comfortably exceeds federal benchmarks.

How Darlington County Compares

Darlington County100/100
South Carolina avg80/100
National avg73/100

How Darlington County Compares

A
County Grade
100/100
Avg Safety Score
7
ZIP Codes
4
Water Systems

Darlington County scores 20 points above the South Carolina state average (80/100) and 27 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:

A
County Grade
100
Avg Safety Score
7
ZIP Codes
Best ZIP: 29069 (100/100)
Lowest ZIP: 29540 (99/100)
$113K
Median Home Value
$1,200
Avg Remediation (106% of home value)

ZIP Code Risk Map

Water Quality Map: Darlington County, South Carolina

Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.

A B C D F

Key Risk Factors

Health risk index: 16 (asthma 10.7%, diabetes 17.6%)

Estimated additional annual cost per homeowner: $3,923, driven primarily by sea_level

61% of homes built before 1978 (lead paint era)

County Health Indicators vs National Average

Asthma 10.7% (national: 8.9%)
Diabetes 17.6% (national: 10.5%)
Obesity 45.6% (national: 32.4%)

Black markers indicate national averages. Source: CDC PLACES, Census ACS.

Infrastructure Overview

1978
Median Build Year
61%
Pre-1978 Housing
32/100
Infrastructure Stress Indicator
14%
ZIPs with High Infrastructure Stress
Low
Lead Pipe Risk

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: $3,923

Sea Level Rise $3,000/yr
Flood $900/yr
Energy Code Gap $285/yr

Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).

Housing Age Distribution

28,452 housing units in Darlington County

Pre-1940 5%
1940–1959 12%
1960–1979 27%
1980–1999 35%
2000+ 20%

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 Darlington County

$113K
Median Home Value
$1,200
Est. Remediation Cost
1.1%
of Home Value
Remediation as % of home value low burden

Remediation costs are relatively manageable for most homeowners in Darlington 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 Darlington County residents

Asthma 10.7% (US avg: 8.9%)
Diabetes 17.6% (US avg: 11%)
Obesity 45.6% (US avg: 32.4%)

Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.

Water systems serving Darlington County

4 community water systems serving Darlington County.

Systems with the most violations in Darlington County

3 water systems with recorded EPA violations.

All ZIP Codes in Darlington County

7 ZIP codes tracked in Darlington County.

# ZIP Code City Safety Score Grade Violations Home Value
1 29069 Lamar 100 A 1 $113K
2 29550 Hartsville 100 A 1 $169K
3 29593 Society Hill 100 A 0 $74K
4 29532 Darlington 99 A 3 $120K
5 29540 Darlington 99 A 3 $67K
6 29079 Lydia
7 29551 Hartsville

Recommended Buyer Guides for Darlington County

If FEMA records flag flood-top-risk status or EPA samples show PFAS exceedances, the matching logic lifts emergency-water and PFAS-rated filtration into the recommendations - federal data drives the order, not retailer arrangements.

Overview

Darlington County in South Carolina covers 7 tracked ZIP records with an average Home Safety Score of A (100/100) across 5 scored records.

4 of 5 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. The available record reports no health-based violations for this measured scope.

← Back to South Carolina Home Safety Profile

Data Sources

Reporting periods vary by source. Missing data is shown as unavailable, not as zero.

Frequently Asked Questions

Is water safe in Darlington County?
Darlington County receives a grade of A, indicating generally safe tap water across its 7 ZIP codes.
How many water systems serve Darlington County?
Darlington County is served by 4 public water systems that supply drinking water to residents across 7 ZIP codes.
What is the biggest environmental risk in Darlington County?
The primary environmental risk factor in Darlington County is sea_level. This contributes to an estimated additional annual cost of $3,923 per homeowner.
How old are homes in Darlington County?
The median home build year in Darlington County is 1978. 61% of homes were built before 1978, which means they may contain lead-based paint and older plumbing materials.
How does Darlington County compare to South Carolina?
Darlington County has an average Home Safety Score of 100/100 under model 4.0.0, which is above the South Carolina state average of 80/100.

How to cite this page

APA ZipCheckup. (2026). Darlington County, SC: HSS 100/100; 5 Violations. https://zipcheckup.com/county/south-carolina/darlington/
BibTeX
@misc{zipcheckup-county-south-carolina-darlington,
  author = {{ZipCheckup}},
  title  = {{Darlington County, SC: HSS 100/100; 5 Violations}},
  year   = {2026},
  url    = {https://zipcheckup.com/county/south-carolina/darlington/}
}

Page version: August 2026.

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