COUNTY REPORT ID

Latah County, Idaho

12 ZIP codes · Avg score 58/100 · Grade C

ZipCheckup grade for Latah County: C.

A mixed picture - some signals here are worth your attention.

ZipCheckup gives Latah County a C; the county page lists 12 ZIP codes, each with its own report.

How Latah County Compares

Latah County58/100
Idaho avg72/100
National avg73/100

How Latah County Compares

C
County Grade
58/100
Avg Safety Score
12
ZIP Codes
4
Water Systems

Latah County scores 14 points below the Idaho state average (72/100) and 15 points below the national average (73/100).

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

C
County Grade
58
Avg Safety Score
12
ZIP Codes
Best ZIP: 83844 (59/100)
Lowest ZIP: 83843 (57/100)
$326K
Median Home Value

ZIP Code Risk Map

Water Quality Map: Latah County, Idaho

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: 10.5 (asthma 10.7%, diabetes 7.8%)

Modeled additional annual cost estimate per homeowner: $977, 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 10.7% (national: 8.9%)
Diabetes 7.8% (national: 10.5%)
Obesity 29% (national: 32.4%)

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

Infrastructure Overview

1974
Median Build Year
54%
Pre-1980 Housing
40/100
Infrastructure Stress Indicator
42%
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: $977

Flood $500/yr
Energy Code Gap $473/yr
Wildfire $300/yr

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

Housing Age Distribution

17,773 housing units in Latah County

Pre-1940 15%
1940–1959 9%
1960–1979 30%
1980–1999 24%
2000+ 23%

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

Health Outcomes vs National Average

CDC PLACES data for Latah County residents

Asthma 10.7% (US avg: 8.9%)
Diabetes 7.8% (US avg: 11%)
Obesity 29% (US avg: 32.4%)

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

Water systems mapped to Latah County ZIP codes

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

Systems with the most violations in Latah County

4 water systems with violations in EPA records.

All ZIP Codes in Latah County

12 ZIP codes tracked in Latah County.

# ZIP Code City Safety Score Grade Violations Home Value
1 83844 Moscow 59 C 24 —
2 83843 Moscow 57 C 25 $354K
3 83535 Juliaetta — — $273K
4 83537 Kendrick — — $240K
5 83806 Bovill — — $121K
6 83823 Deary — — $414K
7 83832 Genesee — — 42 $316K
8 83834 Harvard — — $408K
9 83855 Potlatch — — $294K
10 83857 Princeton — — $326K
11 83871 Troy — — $333K
12 83872 Viola — — 23 $480K

Recommended Buyer Guides for Latah County

The guides listed here are chosen from this county's data, and the short note beside each one says why it made the list.

Overview

Latah County in Idaho covers 12 tracked ZIP records with an average Home Safety Score of C (58/100) across 2 scored records.

4 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 Idaho 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 Latah County?
Latah County receives a grade of C. Some ZIP codes have recorded violations and residents in affected areas may want to test their water.
How many water systems serve Latah County?
We map 4 public water systems to 12 ZIP codes in our data for Latah County. EPA may list more systems serving the county, so this is not a full count.
What is the biggest environmental risk in Latah County?
In ZipCheckup's cost model, the factor with the largest estimated average annual cost in Latah County is flood. Across all modeled risk factors, the estimated average additional annual cost is $977 per homeowner; actual costs vary by home.
How old are homes in Latah County?
The median home build year in Latah County is 1974. 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 Latah County compare to Idaho?
Latah County has an average Home Safety Score of 58/100 under model 4.0.0, which is below the Idaho state average of 72/100.

How to cite this page

APA ZipCheckup. (2026). Latah County, ID: HSS 58/100; PFAS Found in Water. https://zipcheckup.com/county/idaho/latah/
BibTeX
@misc{zipcheckup-county-idaho-latah,
  author = {{ZipCheckup}},
  title  = {{Latah County, ID: HSS 58/100; PFAS Found in Water}},
  year   = {2026},
  url    = {https://zipcheckup.com/county/idaho/latah/}
}

Page version: October 2026.

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