COUNTY REPORT OR

Multnomah County, Oregon

60 ZIP codes · Avg score 81/100 · Grade B

ZipCheckup grade for Multnomah County: B.

This ZIP has a few items worth a quick check.

In Multnomah County, where this site follows 60 ZIP codes, the composite grade sits in the upper band.

How Multnomah County Compares

Multnomah County81/100
Oregon avg85/100
National avg73/100

How Multnomah County Compares

B
County Grade
81/100
Avg Safety Score
60
ZIP Codes
20
Water Systems

Multnomah County scores 4 points below the Oregon state average (85/100) and 8 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

B
County Grade
81
Avg Safety Score
60
ZIP Codes
Best ZIP: 97019 (83/100)
Lowest ZIP: 97236 (66/100)
$596K
Median Home Value
$333
Avg Remediation (0.06% of home value)

ZIP Code Risk Map

Water Quality Map: Multnomah County, Oregon

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: 11 (asthma 11.7%, diabetes 9.5%)

Modeled additional annual cost estimate per homeowner: $921, largest modeled factor: Flood

County Health Indicators vs National Average

Asthma 11.7% (national: 8.9%)
Diabetes 9.5% (national: 10.5%)
Obesity 28.9% (national: 32.4%)

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

Infrastructure Overview

34/100
Infrastructure Stress Indicator
29%
ZIPs with High Infrastructure Stress

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: $921

Flood $514/yr
Energy Code Gap $484/yr
Wildfire $300/yr

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

Water Safety Affordability

How much it costs to fix water issues relative to home values in Multnomah County

$596K
Median Home Value
$333
Est. Remediation Cost
0.1%
of Home Value
Remediation as % of home value low burden

Modeled remediation costs in Multnomah 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 Multnomah County residents

Asthma 11.7% (US avg: 8.9%)
Diabetes 9.5% (US avg: 11%)
Obesity 28.9% (US avg: 32.4%)

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

Water systems mapped to Multnomah County ZIP codes

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

Show all 8 water systems

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

Systems with the most violations in Multnomah County

5 water systems with violations in EPA records.

All ZIP Codes in Multnomah County

60 ZIP codes tracked in Multnomah County.

# ZIP Code City Safety Score Grade Violations Home Value
1 97019 Corbett 83 B 2 $666K
2 97201 Portland 83 B 1 $648K
3 97203 Portland 83 B 1 $469K
4 97204 Portland 83 B 1 —
5 97205 Portland 83 B 1 $694K
6 97209 Portland 83 B 1 $574K
7 97210 Portland 83 B 1 $992K
8 97211 Portland 83 B 1 $617K
9 97212 Portland 83 B 1 $825K
10 97213 Portland 83 B 1 $609K
11 97214 Portland 83 B 1 $733K
12 97215 Portland 83 B 1 $659K
13 97216 Portland 83 B 1 $439K
14 97217 Portland 83 B 1 $570K
15 97218 Portland 83 B 1 $493K
16 97220 Portland 83 B 1 $428K
17 97227 Portland 83 B 1 $596K
18 97232 Portland 83 B 1 $801K
19 97233 Portland 83 B 1 $385K
20 97239 Portland 83 B 1 $713K
21 97266 Portland 83 B 1 $421K
22 97221 Portland 82 B 5 $790K
23 97024 Fairview 81 B 6 (1 health) $404K
24 97230 Portland 81 B 6 (1 health) $436K
25 97219 Portland 79 B 13 (1 health) $652K
26 97030 Gresham 78 B 15 $418K
27 97080 Gresham 78 B 16 $485K
28 97202 Portland 77 B 18 $685K
29 97060 Troutdale 75 B 23 (1 health) $426K
30 97231 Portland 73 B 66 (2 health) $795K
31 97236 Portland 66 C 3 $414K
32 97010 Bridal Veil — — —
33 97014 Cascade Locks — — 33 $338K
34 97228 Portland — — —
35 97238 Portland — — —
36 97240 Portland — — —
37 97242 Portland — — —
38 97250 Portland — — —
39 97251 Us West — — —
40 97252 Portland — — —
41 97253 Us Bank — — —
42 97254 Gen Electric — — —
43 97256 Portland — — —
44 97258 Portland — — 1 —
45 97268 Portland — — —
46 97269 Portland — — —
47 97272 Portland — — —
48 97280 Portland — — —
49 97281 Portland — — —
50 97282 Portland — — —
51 97283 Portland — — —
52 97286 Portland — — —
53 97290 Portland — — —
54 97291 Portland — — —
55 97292 Portland — — —
56 97293 Portland — — —
57 97294 Portland — — —
58 97296 Portland — — —
59 97298 Portland — — —
60 97299 Portland — — —

Recommended Buyer Guides for Multnomah 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

Multnomah County in Oregon covers 60 tracked ZIP records with an average Home Safety Score of B (81/100) across 31 scored records.

33 of 33 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. 4 health-based violations appear in the available health breakdown.

← Back to Oregon 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 Multnomah County?
Multnomah County receives an average Home Safety grade of B from its scored ZIP records (60 ZIP codes tracked); this is a composite index, not a tap-water test.
How many water systems serve Multnomah County?
We map 20 public water systems to 60 ZIP codes in our data for Multnomah County. EPA may list more systems serving the county, so this is not a full count.
What is the biggest environmental risk in Multnomah County?
In ZipCheckup's cost model, the factor with the largest estimated average annual cost in Multnomah County is flood. Across all modeled risk factors, the estimated average additional annual cost is $921 per homeowner; actual costs vary by home.
How does Multnomah County compare to Oregon?
Multnomah County has an average Home Safety Score of 81/100 under model 4.0.0, which is below the Oregon state average of 85/100.

How to cite this page

APA ZipCheckup. (2026). Multnomah County, OR: HSS 81/100; PFAS Found in Water. https://zipcheckup.com/county/oregon/multnomah/
BibTeX
@misc{zipcheckup-county-oregon-multnomah,
  author = {{ZipCheckup}},
  title  = {{Multnomah County, OR: HSS 81/100; PFAS Found in Water}},
  year   = {2026},
  url    = {https://zipcheckup.com/county/oregon/multnomah/}
}

Page version: October 2026.

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