Horry County, South Carolina
23 ZIP codes · Avg score 82/100 · Grade B
ZipCheckup grade for Horry County: B.
This ZIP has a few items worth a quick check.
Across Horry County, ZIP-level Home Safety Scores average out to a grade in the top two bands; the page tracks 23 ZIP codes in all.
How Horry County Compares
How Horry County Compares
Horry County scores 2 points above the South Carolina state average (80/100) and 9 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
ZIP Code Risk Map
Water Quality Map: Horry 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: 14.5 (asthma 9.2%, diabetes 14.9%)
Modeled additional annual cost estimate per homeowner: $5,094, largest modeled factor: Sea Level
18% of homes built before 1980 (lead paint was banned for residential use in 1978)
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 DWINSA infrastructure needs, EPA SDWIS violations, and EPA lead indicators.
Compound Risk Breakdown
Estimated additional annual cost per homeowner: $5,094
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
214,516 housing units in Horry 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 Horry County
Modeled remediation costs in Horry County can be compared with the median property value; actual costs vary by property.
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 Horry County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water systems mapped to Horry County ZIP codes
8 community water systems mapped to Horry County ZIP codes; EPA may list more systems serving the county.
- B
- B
- B
- B
- B
Show all 8 water systems
- B
13 water systems mapped to Horry County ZIP codes in our data; EPA may list more systems serving the county.
Systems with the most violations in Horry County
5 water systems with violations in EPA records.
- B
- B
- B
- B
- B
All ZIP Codes in Horry County
23 ZIP codes tracked in Horry County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 29511 | Aynor | 83 | B | 0 | $217K |
| 2 | 29544 | Galivants Ferry | 83 | B | 0 | $192K |
| 3 | 29545 | Green Sea | 83 | B | 0 | $108K |
| 4 | 29575 | Myrtle Beach | 83 | B | 2 | $279K |
| 5 | 29576 | Murrells Inlet | 83 | B | 1 | $316K |
| 6 | 29577 | Myrtle Beach | 83 | B | 2 | $274K |
| 7 | 29579 | Myrtle Beach | 83 | B | 2 | $320K |
| 8 | 29588 | Myrtle Beach | 83 | B | 2 | $242K |
| 9 | 29568 | Longs | 82 | B | 3 | $235K |
| 10 | 29572 | Myrtle Beach | 82 | B | 5 | $385K |
| 11 | 29582 | North Myrtle Beach | 82 | B | 3 | $371K |
| 12 | 29526 | Conway | 80 | B | 5 (5 health) | $232K |
| 13 | 29527 | Conway | 80 | B | 5 (5 health) | $197K |
| 14 | 29569 | Loris | 79 | B | 5 | $190K |
| 15 | 29228 | Columbia | — | — | — | |
| 16 | 29528 | Conway | — | — | — | |
| 17 | 29566 | Little River | — | — | 4 | $276K |
| 18 | 29567 | Little Rock | — | — | $55K | |
| 19 | 29578 | Myrtle Beach | — | — | — | |
| 20 | 29583 | Pamplico | — | — | 0 | $104K |
| 21 | 29587 | Myrtle Beach | — | — | — | |
| 22 | 29597 | North Myrtle Beach | — | — | — | |
| 23 | 29598 | North Myrtle Beach | — | — | — |
Recommended Buyer Guides for Horry County
Selection follows a fixed set of rules applied to local records: signals such as PFAS detections, lead action-level exceedances on record, a large share of pre-1978 housing, EPA Radon Zone 1, or a top flood or wildfire risk each add a related guide, and when none applies, general water testing and filtration guides are shown instead.
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
Deep Dive Reports
Detailed analysis for Horry County, South Carolina
Overview
Horry County in South Carolina covers 23 tracked ZIP records with an average Home Safety Score of B (82/100) across 14 scored records.
12 of 16 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. 5 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.