COUNTY REPORT IA

Mahaska County, Iowa

11 ZIP codes · Home Safety Score unavailable · 0 of 11 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 11 tracked ZIP records scored
11
ZIP Codes
$107K
Median Home Value
$1,927
Avg Remediation (180% of home value)

ZIP Code Risk Map

Water Quality Map: Mahaska County, Iowa

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: 13.8 (asthma 10.1%, diabetes 11.7%)

Estimated additional annual cost per homeowner: $1,048, driven primarily by energy_code_gap

77.3% of homes built before 1978 (lead paint era)

County Health Indicators vs National Average

Asthma 10.1% (national: 8.9%)
Diabetes 11.7% (national: 10.5%)
Obesity 38.6% (national: 32.4%)

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

Infrastructure Overview

1964
Median Build Year
77.3%
Pre-1978 Housing
59/100
Infrastructure Stress Indicator
100%
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: $1,048

Energy Code Gap $344/yr
Water / Lead $332/yr
Flood $300/yr

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

Housing Age Distribution

10,144 housing units in Mahaska County

Pre-1940 32%
1940–1959 16%
1960–1979 23%
1980–1999 15%
2000+ 13%

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 Mahaska County

$107K
Median Home Value
$1,927
Est. Remediation Cost
1.8%
of Home Value
Remediation as % of home value low burden

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

Asthma 10.1% (US avg: 8.9%)
Diabetes 11.7% (US avg: 11%)
Obesity 38.6% (US avg: 32.4%)

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

Water systems serving Mahaska County

3 community water systems serving Mahaska County.

Systems with the most violations in Mahaska County

2 water systems with recorded EPA violations.

All ZIP Codes in Mahaska County

11 ZIP codes tracked in Mahaska County.

# ZIP Code City Safety Score Grade Violations Home Value
1 50027 Barnes City $100K
2 50143 Leighton $301K
3 50207 New Sharon $157K
4 50256 Tracy 2 $135K
5 52534 Beacon $74K
6 52543 Cedar $107K
7 52553 Eddyville 0 $144K
8 52561 Fremont $102K
9 52577 Oskaloosa 3 $144K
10 52586 Rose Hill $107K
11 52595 University Park 3 $89K

Recommended Buyer Guides for Mahaska County

Below: editorial picks, no sponsored placements.

Overview

Mahaska County in Iowa covers 11 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 4 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 Iowa 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 Mahaska County?
Mahaska County is served by 3 public water systems that supply drinking water to residents across 11 ZIP codes.
What is the biggest environmental risk in Mahaska County?
The primary environmental risk factor in Mahaska County is energy_code_gap. This contributes to an estimated additional annual cost of $1,048 per homeowner.
How old are homes in Mahaska County?
The median home build year in Mahaska County is 1964. 77.3% 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). Mahaska County, Iowa Home Safety Profile. https://zipcheckup.com/county/iowa/mahaska/
BibTeX
@misc{zipcheckup-county-iowa-mahaska,
  author = {{ZipCheckup}},
  title  = {{Mahaska County, Iowa Home Safety Profile}},
  year   = {2026},
  url    = {https://zipcheckup.com/county/iowa/mahaska/}
}

Page version: August 2026.

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