COUNTY REPORT MO

DeKalb County, Missouri

8 ZIP codes · Home Safety Score unavailable · 0 of 8 tracked ZIP records scored

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

Unavailable
0 of 8 tracked ZIP records scored
8
ZIP Codes
$187K
Median Home Value
$567
Avg Remediation (0.30% of home value)

ZIP Code Risk Map

Water Quality Map: DeKalb County, Missouri

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: 14.6 (asthma 10.4%, diabetes 12.5%)

Modeled additional annual cost estimate per homeowner: $514, largest modeled factor: Flood

58% of homes built before 1980 (lead paint was banned for residential use in 1978)

County Health Indicators vs National Average

Asthma 10.4% (national: 8.9%)
Diabetes 12.5% (national: 10.5%)
Obesity 38.9% (national: 32.4%)

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

Infrastructure Overview

1970
Median Build Year
58%
Pre-1980 Housing
46/100
Infrastructure Stress Indicator
88%
ZIPs with High Infrastructure Stress
Low
Lead Pipe Risk

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: $514

Flood $600/yr
Energy Code Gap $158/yr
Water / Lead $131/yr

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

Housing Age Distribution

3,547 housing units in DeKalb County

Pre-1940 26%
1940–1959 10%
1960–1979 22%
1980–1999 23%
2000+ 19%

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 DeKalb County

$187K
Median Home Value
$567
Est. Remediation Cost
0.3%
of Home Value
Remediation as % of home value low burden

Modeled remediation costs in DeKalb 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 DeKalb County residents

Asthma 10.4% (US avg: 8.9%)
Diabetes 12.5% (US avg: 11%)
Obesity 38.9% (US avg: 32.4%)

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

Water systems mapped to DeKalb County ZIP codes

8 community water systems mapped to DeKalb County ZIP codes; EPA may list more systems serving the county.

Show all 8 water systems

12 water systems mapped to DeKalb County ZIP codes in our data; EPA may list more systems serving the county.

Systems with the most violations in DeKalb County

5 water systems with violations in EPA records.

All ZIP Codes in DeKalb County

8 ZIP codes tracked in DeKalb County.

# ZIP Code City Safety Score Grade Violations Home Value
1 64422 Amity — — 1 —
2 64430 Clarksdale — — 1 $228K
3 64469 Maysville — — 27 (15 health) $148K
4 64474 Osborn — — 11 (2 health) $134K
5 64490 Stewartsville — — 9 (2 health) $204K
6 64494 Union Star — — 8 $122K
7 64497 Weatherby — — 4 $341K
8 64670 Pattonsburg — — 5 $187K

Recommended Buyer Guides for DeKalb 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.

Overview

DeKalb County in Missouri covers 8 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.

8 of 8 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. 17 health-based violations appear in the available health breakdown.

← Back to Missouri 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 DeKalb County?
We map 12 public water systems to 8 ZIP codes in our data for DeKalb County. EPA may list more systems serving the county, so this is not a full count.
What is the biggest environmental risk in DeKalb County?
In ZipCheckup's cost model, the factor with the largest estimated average annual cost in DeKalb County is flood. Across all modeled risk factors, the estimated average additional annual cost is $514 per homeowner; actual costs vary by home.
How old are homes in DeKalb County?
The median home build year in DeKalb County is 1970. 58% of homes were built before 1980; homes built before 1978 may contain lead-based paint, and older homes may have older plumbing materials.

How to cite this page

APA ZipCheckup. (2026). DeKalb County, Missouri Home Safety Profile. https://zipcheckup.com/county/missouri/dekalb/
BibTeX
@misc{zipcheckup-county-missouri-dekalb,
  author = {{ZipCheckup}},
  title  = {{DeKalb County, Missouri Home Safety Profile}},
  year   = {2026},
  url    = {https://zipcheckup.com/county/missouri/dekalb/}
}

Page version: October 2026.

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