COUNTY REPORT OK

Carter County, Oklahoma

17 ZIP codes · Avg score 90/100 · Grade A

ZipCheckup grade for Carter County: A.

Checked records flag no major concern; missing data is unknown.

Across Carter County, ZIP-level Home Safety Scores average out to a grade in the top two bands; the page tracks 17 ZIP codes in all.

How Carter County Compares

Carter County90/100
Oklahoma avg86/100
National avg73/100

How Carter County Compares

A
County Grade
90/100
Avg Safety Score
17
ZIP Codes
9
Water Systems

Carter County scores 4 points above the Oklahoma state average (86/100) and 17 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

A
County Grade
90
Avg Safety Score
17
ZIP Codes
Best ZIP: 73458 (98/100)
Lowest ZIP: 73438 (83/100)
$108K
Median Home Value
$911
Avg Remediation (0.85% of home value)

ZIP Code Risk Map

Water Quality Map: Carter County, Oklahoma

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: 14.9 (asthma 11.7%, diabetes 13.7%)

Modeled additional annual cost estimate per homeowner: $756, largest modeled factor: Flood

54% of homes built before 1980 (lead paint was banned for residential use in 1978)

County Health Indicators vs National Average

Asthma 11.7% (national: 8.9%)
Diabetes 13.7% (national: 10.5%)
Obesity 39.7% (national: 32.4%)

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

Infrastructure Overview

1976
Median Build Year
54%
Pre-1980 Housing
53/100
Infrastructure Stress Indicator
94%
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: $756

Flood $667/yr
Wildfire $300/yr
Energy Code Gap $201/yr

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

Housing Age Distribution

22,687 housing units in Carter County

Pre-1940 9%
1940–1959 22%
1960–1979 23%
1980–1999 25%
2000+ 21%

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 Carter County

$108K
Median Home Value
$911
Est. Remediation Cost
0.8%
of Home Value
Remediation as % of home value low burden

Modeled remediation costs in Carter 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 Carter County residents

Asthma 11.7% (US avg: 8.9%)
Diabetes 13.7% (US avg: 11%)
Obesity 39.7% (US avg: 32.4%)

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

Water systems mapped to Carter County ZIP codes

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

Show all 8 water systems

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

Systems with the most violations in Carter County

5 water systems with violations in EPA records.

All ZIP Codes in Carter County

17 ZIP codes tracked in Carter County.

# ZIP Code City Safety Score Grade Violations Home Value
1 73458 Springer 98 A 41 (41 health) $174K
2 73443 Lone Grove 93 A 52 (42 health) $181K
3 73456 Ringling 91 A 16 (10 health) $102K
4 73463 Wilson 90 A 55 (49 health) $108K
5 73401 Ardmore 87 A 95 (84 health) $175K
6 73438 Healdton 83 B 26 (22 health) $71K
7 73402 Ardmore — — —
8 73403 Ardmore — — —
9 73435 Fox — — $110K
10 73436 Gene Autry — — $76K
11 73437 Graham — — —
12 73444 Hennepin — — $125K
13 73451 Ardmore — — —
14 73454 Ardmore — — —
15 73481 Ratliff City — — 26 (22 health) $70K
16 73487 Tatums — — $73K
17 73488 Tussy — — —

Recommended Buyer Guides for Carter County

Read the note next to each link: it gives the reason, such as a radon zone designation or housing age, that led to the recommendation.

Overview

Carter County in Oklahoma covers 17 tracked ZIP records with an average Home Safety Score of A (90/100) across 6 scored records.

7 of 7 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. 98 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

Is water safe in Carter County?
Carter County receives an average Home Safety grade of A from its scored ZIP records (17 ZIP codes tracked); this is a composite index, not a tap-water test.
How many water systems serve Carter County?
We map 9 public water systems to 17 ZIP codes in our data for Carter County. EPA may list more systems serving the county, so this is not a full count.
What is the biggest environmental risk in Carter County?
In ZipCheckup's cost model, the factor with the largest estimated average annual cost in Carter County is flood. Across all modeled risk factors, the estimated average additional annual cost is $756 per homeowner; actual costs vary by home.
How old are homes in Carter County?
The median home build year in Carter County is 1976. 54% of homes were built before 1980; homes built before 1978 may contain lead-based paint, and older homes may have older plumbing materials.
How does Carter County compare to Oklahoma?
Carter County has an average Home Safety Score of 90/100 under model 4.0.0, which is at or above the Oklahoma state average of 86/100.

How to cite this page

APA ZipCheckup. (2026). Carter County, OK: HSS 90/100; 98 Health Violations. https://zipcheckup.com/county/oklahoma/carter/
BibTeX
@misc{zipcheckup-county-oklahoma-carter,
  author = {{ZipCheckup}},
  title  = {{Carter County, OK: HSS 90/100; 98 Health Violations}},
  year   = {2026},
  url    = {https://zipcheckup.com/county/oklahoma/carter/}
}

Page version: October 2026.

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