Callaway County, Missouri
13 ZIP codes · Avg score 83/100 · Grade B · Updated
ZipCheckup grade for Callaway County: B.
This ZIP looks solid, with a few items worth a quick check.
In recent assessments, Callaway County's 13 ZIP codes record strong, consistent water safety outcomes.
How Callaway County Compares
How Callaway County Compares
Callaway County scores 11 points above the Missouri state average (72/100) and 10 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: Callaway County, Missouri
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 13.8 (asthma 10.6%, diabetes 11.9%)
Estimated additional annual cost per homeowner: $729, driven primarily by flood
49% of homes built before 1978 (lead paint era)
Violation History (2021–2022)
→ Stable trendEPA violation counts by year across Callaway County water systems. Health-based shown in red, total in blue.
Peak year: 2021 with 1 violation. Past 5 years: 2 total (2 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: $729
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
17,925 housing units in Callaway 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 Callaway County
Remediation costs are relatively manageable for most homeowners in Callaway 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 Callaway County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water systems serving Callaway County
7 community water systems serving Callaway County.
- B
- B
- B
- B
- B
- B
Show all 7 water systems
- B
Systems with the most violations in Callaway County
4 water systems with recorded EPA violations.
- B
- B
- B
- B
All ZIP Codes in Callaway County
13 ZIP codes tracked in Callaway County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 63388 | Williamsburg | 83 | B | 0 | $68K |
| 2 | 65059 | Mokane | 83 | B | 0 | $233K |
| 3 | 65063 | New Bloomfield | 83 | B | 1 | $228K |
| 4 | 65067 | Portland | 83 | B | 0 | $126K |
| 5 | 65077 | Steedman | 83 | B | 0 | $203K |
| 6 | 65080 | Tebbetts | 83 | B | 0 | $310K |
| 7 | 65043 | Holts Summit | 82 | B | 1 | $210K |
| 8 | 65231 | Auxvasse | 82 | B | 3 | $149K |
| 9 | 65251 | Fulton | 82 | B | 5 | $172K |
| 10 | 65262 | Kingdom City | 82 | B | 3 | $184K |
| 11 | 65102 | Jefferson City | — | — | — | |
| 12 | 65105 | Jefferson City | — | — | — | |
| 13 | 65299 | Columbia | — | — | — |
Recommended Buyer Guides for Callaway County
Retailer arrangements don't shape what appears here - the selection logic is independent, filtered against EPA detections and the federal hazard data on file for this county.
- Best Sump Pumps — Flood is the top compound risk factor
- Best Mold Test Kits — Flood-driven moisture and mold risk
Deep Dive Reports
Detailed analysis for Callaway County, Missouri
Overview
Callaway County in Missouri covers 13 tracked ZIP records with an average Home Safety Score of B (83/100) across 10 scored records.
5 of 10 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 Missouri 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.