Merced County, California
22 ZIP codes · Avg score 88/100 · Grade A
ZipCheckup grade for Merced County: A.
Checked records flag no major concern; missing data is unknown.
Looking at the composite Home Safety Score, Merced County comes out in the A-B range, and the reports for its 22 ZIP codes show which data sit behind that result.
How Merced County Compares
How Merced County Compares
Merced County scores 12 points above the California state average (76/100) and 15 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: Merced County, California
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 12.1 (asthma 9.8%, diabetes 13%)
Modeled additional annual cost estimate per homeowner: $2,391, largest modeled factor: Sea Level
47% 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: $2,391
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
87,294 housing units in Merced 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 Merced County
Modeled remediation costs in Merced 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 Merced County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water systems mapped to Merced County ZIP codes
8 community water systems mapped to Merced County ZIP codes; EPA may list more systems serving the county.
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- A
- A
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- B
Show all 8 water systems
- A
- A
15 water systems mapped to Merced County ZIP codes in our data; EPA may list more systems serving the county.
Systems with the most violations in Merced County
5 water systems with violations in EPA records.
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- A
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All ZIP Codes in Merced County
22 ZIP codes tracked in Merced County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 95324 | Hilmar | 100 | A | 14 (14 health) | $442K |
| 2 | 93620 | Dos Palos | 99 | A | 13 (12 health) | $295K |
| 3 | 93665 | South Dos Palos | 99 | A | 13 (12 health) | — |
| 4 | 93635 | Los Banos | 96 | A | 2 (1 health) | $424K |
| 5 | 95322 | Gustine | 96 | A | 2 (1 health) | $433K |
| 6 | 95334 | Livingston | 96 | A | 3 (1 health) | $346K |
| 7 | 95388 | Winton | 87 | A | 10 (3 health) | $308K |
| 8 | 95348 | Merced | 83 | B | 0 | $353K |
| 9 | 95315 | Delhi | 82 | B | 15 (14 health) | $338K |
| 10 | 95340 | Merced | 79 | B | 2 (1 health) | $383K |
| 11 | 95341 | Merced | 79 | B | 2 (1 health) | $295K |
| 12 | 95365 | Planada | 79 | B | 2 (1 health) | $237K |
| 13 | 95301 | Atwater | 75 | B | 5 (2 health) | $368K |
| 14 | 93661 | Santa Rita Park | — | — | — | |
| 15 | 95303 | Ballico | — | — | $602K | |
| 16 | 95312 | Cressey | — | — | — | |
| 17 | 95317 | El Nido | — | — | $396K | |
| 18 | 95333 | Le Grand | — | — | 11 (9 health) | $310K |
| 19 | 95343 | Merced | — | — | — | |
| 20 | 95344 | Merced | — | — | — | |
| 21 | 95369 | Snelling | — | — | 6 (2 health) | $351K |
| 22 | 95374 | Stevinson | — | — | $436K |
Recommended Buyer Guides for Merced County
These buyer guides are matched by rule rather than by hand - a PFAS record adds a PFAS filter guide, a lead action-level exceedance adds lead filter guides, a high share of pre-1978 homes adds lead paint test kits, EPA Radon Zone 1 add radon kits, and a top flood or wildfire risk adds related equipment.
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
Deep Dive Reports
Detailed analysis for Merced County, California
Overview
Merced County in California covers 22 tracked ZIP records with an average Home Safety Score of A (88/100) across 13 scored records.
14 of 15 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. 41 health-based violations appear in the available health breakdown.
← Back to California 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.