COUNTY REPORT SC

McCormick County, South Carolina

6 ZIP codes · Home Safety Score unavailable · 0 of 6 tracked ZIP records scored · Updated

Data: ZipCheckup Home Safety Score model 4.0.0; EPA SDWIS, UCMR 5, EPA radon zones, EPA AirData Last verified:

Unavailable
0 of 6 tracked ZIP records scored
6
ZIP Codes
$221K
Median Home Value
$1,340
Avg Remediation (61% of home value)

ZIP Code Risk Map

Water Quality Map: McCormick 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: 17.1 (asthma 9.6%, diabetes 20.6%)

Estimated additional annual cost per homeowner: $498, driven primarily by energy_code_gap

54.8% of homes built before 1978 (lead paint era)

County Health Indicators vs National Average

Asthma 9.6% (national: 8.9%)
Diabetes 20.6% (national: 10.5%)
Obesity 36.9% (national: 32.4%)

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

Infrastructure Overview

1980
Median Build Year
54.8%
Pre-1978 Housing
40/100
Infrastructure Stress Indicator
40%
ZIPs with High Infrastructure Stress
High
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: $498

Energy Code Gap $288/yr
Flood $200/yr
Water / Lead $140/yr

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

Housing Age Distribution

5,519 housing units in McCormick County

Pre-1940 4%
1940–1959 16%
1960–1979 23%
1980–1999 34%
2000+ 23%

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 McCormick County

$221K
Median Home Value
$1,340
Est. Remediation Cost
0.6%
of Home Value
Remediation as % of home value low burden

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

Asthma 9.6% (US avg: 8.9%)
Diabetes 20.6% (US avg: 11%)
Obesity 36.9% (US avg: 32.4%)

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

Water systems serving McCormick County

2 community water systems serving McCormick County.

Systems with the most violations in McCormick County

2 water systems with recorded EPA violations.

All ZIP Codes in McCormick County

6 ZIP codes tracked in McCormick County.

# ZIP Code City Safety Score Grade Violations Home Value
1 29821 Clarks Hill 5 (5 health) $251K
2 29835 Mc Cormick 5 (3 health) $195K
3 29838 Modoc $354K
4 29844 Parksville $221K
5 29845 Plum Branch 10 (8 health) $93K
6 29899 Mc Cormick

Recommended Buyer Guides for McCormick County

Independent picks. EPA-grounded. Matched here.

Overview

McCormick County in South Carolina covers 6 tracked ZIP records. No Home Safety Score is published because the required model evidence is incomplete for every tracked record; missing evidence is not treated as zero.

3 of 3 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. 8 health-based violations appear in the available health breakdown.

← 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

How many water systems serve McCormick County?
McCormick County is served by 2 public water systems that supply drinking water to residents across 6 ZIP codes.
What is the biggest environmental risk in McCormick County?
The primary environmental risk factor in McCormick County is energy_code_gap. This contributes to an estimated additional annual cost of $498 per homeowner.
How old are homes in McCormick County?
The median home build year in McCormick County is 1980. 54.8% of homes were built before 1978, which means they may contain lead-based paint and older plumbing materials.

How to cite this page

APA ZipCheckup. (2026). McCormick County, South Carolina Home Safety Profile. https://zipcheckup.com/county/south-carolina/mccormick/
BibTeX
@misc{zipcheckup-county-south-carolina-mccormick,
  author = {{ZipCheckup}},
  title  = {{McCormick County, South Carolina Home Safety Profile}},
  year   = {2026},
  url    = {https://zipcheckup.com/county/south-carolina/mccormick/}
}

Page version: August 2026.

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