COUNTY REPORT OK

Harper County, Oklahoma

4 ZIP codes · Home Safety Score unavailable · 0 of 4 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 4 tracked ZIP records scored
4
ZIP Codes
$123K
Median Home Value

Key Risk Factors

Health risk index: 14.9 (asthma 10.7%, diabetes 14%)

Modeled additional annual cost estimate per homeowner: $383, largest modeled factor: Energy Code Gap

82% of homes built before 1980 (lead paint was banned for residential use in 1978)

County Health Indicators vs National Average

Asthma 10.7% (national: 8.9%)
Diabetes 14% (national: 10.5%)
Obesity 39.4% (national: 32.4%)

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

Infrastructure Overview

1966
Median Build Year
82%
Pre-1980 Housing
54/100
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 DWINSA infrastructure needs, EPA SDWIS violations, and EPA lead indicators.

Compound Risk Breakdown

Estimated additional annual cost per homeowner: $383

Energy Code Gap $270/yr
Water / Lead $150/yr
Wildfire $75/yr

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

Housing Age Distribution

1,886 housing units in Harper County

Pre-1940 21%
1940–1959 24%
1960–1979 37%
1980–1999 13%
2000+ 5%

Source: U.S. Census Bureau ACS B25034 (Year Structure Built).

Health Outcomes vs National Average

CDC PLACES data for Harper County residents

Asthma 10.7% (US avg: 8.9%)
Diabetes 14% (US avg: 11%)
Obesity 39.4% (US avg: 32.4%)

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

Water systems mapped to Harper County ZIP codes

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

Systems with the most violations in Harper County

2 water systems with violations in EPA records.

All ZIP Codes in Harper County

4 ZIP codes tracked in Harper County.

# ZIP Code City Safety Score Grade Violations Home Value
1 73834 Buffalo — — 137 $94K
2 73848 Laverne — — $123K
3 73851 May — — —
4 73855 Rosston — — $175K

Recommended Buyer Guides for Harper County

Each guide below is listed with the reason it appears.

Overview

Harper County in Oklahoma covers 4 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. The available record reports no health-based violations for this measured scope.

← 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 Harper County?
We map 2 public water systems to 4 ZIP codes in our data for Harper County. EPA may list more systems serving the county, so this is not a full count.
What is the biggest environmental risk in Harper County?
In ZipCheckup's cost model, the factor with the largest estimated average annual cost in Harper County is energy code gap. Across all modeled risk factors, the estimated average additional annual cost is $383 per homeowner; actual costs vary by home.
How old are homes in Harper County?
The median home build year in Harper County is 1966. 82% 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). Harper County, Oklahoma Home Safety Profile. https://zipcheckup.com/county/oklahoma/harper/
BibTeX
@misc{zipcheckup-county-oklahoma-harper,
  author = {{ZipCheckup}},
  title  = {{Harper County, Oklahoma Home Safety Profile}},
  year   = {2026},
  url    = {https://zipcheckup.com/county/oklahoma/harper/}
}

Page version: October 2026.

Get safety alerts for Harper, Oklahoma

Free updates when EPA data changes for this area. No spam.

Unsubscribe anytime. Privacy Policy.

Share This Page

X Facebook
Check your water filter options Free tool - no phone call required.