COUNTY REPORT OK

Harmon County, Oklahoma

2 ZIP codes · Home Safety Score unavailable · 0 of 2 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 2 tracked ZIP records scored
2
ZIP Codes
$76K
Median Home Value
$1,800
Avg Remediation (237% of home value)

Key Risk Factors

Health risk index: 16.1 (asthma 11.1%, diabetes 17%)

Estimated additional annual cost per homeowner: $2,205, driven primarily by flood

90% of homes built before 1978 (lead paint era)

Violation History (2022–2025)

→ Stable trend

EPA violation counts by year across Harmon County water systems. Health-based shown in red, total in blue.

2022
4 (4 health)
2023
3 (3 health)
2024
5 (5 health)
2025
3 (3 health)

Peak year: 2024 with 5 violations. Past 5 years: 15 total (15 health-based).

Source: EPA SDWIS historical violations. Data may lag 6–12 months for the most recent year.

County Health Indicators vs National Average

Asthma 11.1% (national: 8.9%)
Diabetes 17% (national: 10.5%)
Obesity 42.4% (national: 32.4%)

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

Infrastructure Overview

1954
Median Build Year
90%
Pre-1978 Housing
64/100
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: $2,205

Flood $1,400/yr
Energy Code Gap $405/yr
Water / Lead $400/yr

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

Housing Age Distribution

1,138 housing units in Harmon County

Pre-1940 20%
1940–1959 26%
1960–1979 32%
1980–1999 15%
2000+ 7%

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 Harmon County

$76K
Median Home Value
$1,800
Est. Remediation Cost
2.4%
of Home Value
Remediation as % of home value moderate burden

Water safety remediation is a moderate expense relative to home values. Most homeowners can address issues through staged improvements over time.

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 Harmon County residents

Asthma 11.1% (US avg: 8.9%)
Diabetes 17% (US avg: 11%)
Obesity 42.4% (US avg: 32.4%)

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

Water systems serving Harmon County

3 community water systems serving Harmon County.

Systems with the most violations in Harmon County

3 water systems with recorded EPA violations.

All ZIP Codes in Harmon County

2 ZIP codes tracked in Harmon County.

# ZIP Code City Safety Score Grade Violations Home Value
1 73550 Hollis 38 (2 health) $76K
2 73571 Vinson

Recommended Buyer Guides for Harmon County

Eight risk categories drive the selection - PFAS exceedance, lead above EPA action level, pre-1978 housing share, EPA Radon Zone 1, flood-top-risk, wildfire-top-risk, multi-contaminant load, and a baseline fallback - and each category maps to a specific buyer-guide track that surfaces when the county data hits its threshold for that hazard signal.

Overview

Harmon County in Oklahoma covers 2 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.

1 of 1 ZIP code with a reported violation count in the available EPA record have recorded EPA violations. 2 health-based violations appear in the available health breakdown.

← Back to Oklahoma 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 Harmon County?
Harmon County is served by 3 public water systems that supply drinking water to residents across 2 ZIP codes.
What is the biggest environmental risk in Harmon County?
The primary environmental risk factor in Harmon County is flood. This contributes to an estimated additional annual cost of $2,205 per homeowner.
How old are homes in Harmon County?
The median home build year in Harmon County is 1954. 90% 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). Harmon County, Oklahoma Home Safety Profile. https://zipcheckup.com/county/oklahoma/harmon/
BibTeX
@misc{zipcheckup-county-oklahoma-harmon,
  author = {{ZipCheckup}},
  title  = {{Harmon County, Oklahoma Home Safety Profile}},
  year   = {2026},
  url    = {https://zipcheckup.com/county/oklahoma/harmon/}
}

Page version: August 2026.

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