COUNTY REPORT CO

Adams County, Colorado

25 ZIP codes · Avg score 55/100 · Grade C

ZipCheckup grade for Adams County: C.

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

Somewhere in the middle: that is where the composite score for Adams County lands, across 25 tracked ZIP codes.

How Adams County Compares

Adams County55/100
Colorado avg59/100
National avg73/100

How Adams County Compares

C
County Grade
55/100
Avg Safety Score
25
ZIP Codes
26
Water Systems

Adams County scores 4 points below the Colorado state average (59/100) and 18 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
55
Avg Safety Score
25
ZIP Codes
Best ZIP: 80011 (67/100)
Lowest ZIP: 80260 (33/100)
$468K
Median Home Value
$600
Avg Remediation (0.13% of home value)

ZIP Code Risk Map

Water Quality Map: Adams County, Colorado

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%, diabetes 9.7%)

Modeled additional annual cost estimate per homeowner: $819, largest modeled factor: Flood

39% of homes built before 1980 (lead paint was banned for residential use in 1978)

County Health Indicators vs National Average

Asthma 11% (national: 8.9%)
Diabetes 9.7% (national: 10.5%)
Obesity 33.2% (national: 32.4%)

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

Infrastructure Overview

1991
Median Build Year
39%
Pre-1980 Housing
34/100
Infrastructure Stress Indicator
13%
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: $819

Flood $571/yr
Energy Code Gap $285/yr
Wildfire $252/yr

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

Housing Age Distribution

188,953 housing units in Adams County

Pre-1940 2%
1940–1959 12%
1960–1979 25%
1980–1999 28%
2000+ 33%

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 Adams County

$468K
Median Home Value
$600
Est. Remediation Cost
0.1%
of Home Value
Remediation as % of home value low burden

Modeled remediation costs in Adams 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 Adams County residents

Asthma 11% (US avg: 8.9%)
Diabetes 9.7% (US avg: 11%)
Obesity 33.2% (US avg: 32.4%)

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

Water systems mapped to Adams County ZIP codes

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

Show all 8 water systems

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

Systems with the most violations in Adams County

5 water systems with violations in EPA records.

All ZIP Codes in Adams County

25 ZIP codes tracked in Adams County.

# ZIP Code City Safety Score Grade Violations Home Value
1 80011 Aurora 67 C 0 $367K
2 80022 Commerce City 67 C 0 $448K
3 80024 Dupont 67 C 0 —
4 80045 Aurora 67 C 0 —
5 80102 Bennett 67 C 0 $491K
6 80019 Aurora 66 C 34 $529K
7 80031 Westminster 66 C 3 $499K
8 80030 Westminster 64 C 7 $422K
9 80234 Denver 53 D 21 (2 health) $494K
10 80229 Denver 47 D 9 $383K
11 80233 Denver 47 D 8 $441K
12 80241 Thornton 47 D 8 $502K
13 80601 Brighton 47 D 9 (1 health) $472K
14 80640 Henderson 47 D 9 (1 health) $464K
15 80221 Denver 45 D 46 $450K
16 80602 Brighton 45 D 22 (9 health) $639K
17 80260 Denver 33 F 42 (2 health) $188K
18 80035 Westminster — — —
19 80036 Westminster — — —
20 80037 Commerce City — — —
21 80044 Aurora — — —
22 80046 Aurora — — —
23 80047 Aurora — — —
24 80136 Strasburg — — $496K
25 80614 Eastlake — — —

Recommended Buyer Guides for Adams County

Nothing on this list means a problem exists in your own home: the matches are drawn from county- and ZIP-level records, so a guide shows up because of an area signal, and only testing at your tap describes a specific household.

Overview

Adams County in Colorado covers 25 tracked ZIP records with an average Home Safety Score of C (55/100) across 17 scored records.

12 of 17 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. 13 health-based violations appear in the available health breakdown.

← Back to Colorado 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 Adams County?
Adams 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 Adams County?
We map 26 public water systems to 25 ZIP codes in our data for Adams County. EPA may list more systems serving the county, so this is not a full count.
What is the biggest environmental risk in Adams County?
In ZipCheckup's cost model, the factor with the largest estimated average annual cost in Adams County is flood. Across all modeled risk factors, the estimated average additional annual cost is $819 per homeowner; actual costs vary by home.
How old are homes in Adams County?
The median home build year in Adams County is 1991. 39% 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 Adams County compare to Colorado?
Adams County has an average Home Safety Score of 55/100 under model 4.0.0, which is below the Colorado state average of 59/100.

How to cite this page

APA ZipCheckup. (2026). Adams County, CO: HSS 55/100; 13 Health Violations. https://zipcheckup.com/county/colorado/adams/
BibTeX
@misc{zipcheckup-county-colorado-adams,
  author = {{ZipCheckup}},
  title  = {{Adams County, CO: HSS 55/100; 13 Health Violations}},
  year   = {2026},
  url    = {https://zipcheckup.com/county/colorado/adams/}
}

Page version: October 2026.

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