COUNTY REPORT PA

Dauphin County, Pennsylvania

43 ZIP codes · Avg score 57/100 · Grade C

ZipCheckup grade for Dauphin County: C.

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

Because the C for Dauphin County comes from averaging ZIP-level Home Safety Scores, its 43 ZIP reports are where the underlying data can be seen.

How Dauphin County Compares

Dauphin County57/100
Pennsylvania avg57/100
National avg73/100

How Dauphin County Compares

C
County Grade
57/100
Avg Safety Score
43
ZIP Codes
15
Water Systems

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

C
County Grade
57
Avg Safety Score
43
ZIP Codes
Best ZIP: 17113 (66/100)
Lowest ZIP: 17061 (45/100)
$200K
Median Home Value
$536
Avg Remediation (0.27% of home value)

ZIP Code Risk Map

Water Quality Map: Dauphin County, Pennsylvania

Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.

A B C D F

Key Risk Factors

Modeled additional annual cost estimate per homeowner: $2,486, largest modeled factor: Flood

66% of homes built before 1980 (lead paint was banned for residential use in 1978)

Infrastructure Overview

1961
Median Build Year
66%
Pre-1980 Housing
50/100
Infrastructure Stress Indicator
98%
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: $2,486

Flood $1,768/yr
Sea Level Rise $1,065/yr
Energy Code Gap $509/yr

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

Housing Age Distribution

126,584 housing units in Dauphin County

Pre-1940 21%
1940–1959 20%
1960–1979 25%
1980–1999 21%
2000+ 14%

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 Dauphin County

$200K
Median Home Value
$536
Est. Remediation Cost
0.3%
of Home Value
Remediation as % of home value low burden

Modeled remediation costs in Dauphin 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.

Water systems mapped to Dauphin County ZIP codes

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

Show all 8 water systems

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

Systems with the most violations in Dauphin County

5 water systems with violations in EPA records.

All ZIP Codes in Dauphin County

43 ZIP codes tracked in Dauphin County.

# ZIP Code City Safety Score Grade Violations Home Value
1 17113 Harrisburg 66 C 3 $141K
2 17978 Spring Glen 65 C 5 $233K
3 17101 Harrisburg 64 C 7 —
4 17102 Harrisburg 64 C 7 $173K
5 17103 Harrisburg 64 C 7 $113K
6 17104 Harrisburg 64 C 10 $102K
7 17110 Harrisburg 64 C 10 $206K
8 17120 Harrisburg 64 C 7 —
9 17033 Hershey 49 D 3 $341K
10 17036 Hummelstown 49 D 3 $317K
11 17057 Middletown 49 D 5 $187K
12 17112 Harrisburg 49 D 3 $290K
13 17109 Harrisburg 47 D 10 $203K
14 17111 Harrisburg 47 D 10 $226K
15 17061 Millersburg 45 D 15 $166K
16 17005 Berrysburg — — $144K
17 17017 Dalmatia — — 13 $200K
18 17018 Dauphin — — $226K
19 17023 Elizabethville — — 27 $200K
20 17028 Grantville — — $262K
21 17030 Gratz — — $235K
22 17032 Halifax — — 3 $212K
23 17034 Highspire — — 3 $120K
24 17048 Lykens — — 69 (6 health) $136K
25 17097 Wiconisco — — 42 (6 health) $81K
26 17098 Williamstown — — 14 $113K
27 17105 Harrisburg — — —
28 17106 Harrisburg — — —
29 17107 Harrisburg — — —
30 17108 Harrisburg — — —
31 17121 Harrisburg — — —
32 17122 Harrisburg — — —
33 17123 Harrisburg — — —
34 17124 Harrisburg — — —
35 17125 Harrisburg — — —
36 17126 Harrisburg — — —
37 17127 Harrisburg — — —
38 17128 Harrisburg — — —
39 17129 Harrisburg — — —
40 17130 Harrisburg — — —
41 17140 Harrisburg — — —
42 17177 Harrisburg — — —
43 18917 Dublin — — 65 $356K

Recommended Buyer Guides for Dauphin 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

Dauphin County in Pennsylvania covers 43 tracked ZIP records with an average Home Safety Score of C (57/100) across 15 scored records.

23 of 23 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. 6 health-based violations appear in the available health breakdown.

← Back to Pennsylvania 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 Dauphin County?
Dauphin 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 Dauphin County?
We map 15 public water systems to 43 ZIP codes in our data for Dauphin County. EPA may list more systems serving the county, so this is not a full count.
What is the biggest environmental risk in Dauphin County?
In ZipCheckup's cost model, the factor with the largest estimated average annual cost in Dauphin County is flood. Across all modeled risk factors, the estimated average additional annual cost is $2,486 per homeowner; actual costs vary by home.
How old are homes in Dauphin County?
The median home build year in Dauphin County is 1961. 66% 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 Dauphin County compare to Pennsylvania?
Dauphin County has an average Home Safety Score of 57/100 under model 4.0.0, which is at or above the Pennsylvania state average of 57/100.

How to cite this page

APA ZipCheckup. (2026). Dauphin County, PA: HSS 57/100; 6 Health Violations. https://zipcheckup.com/county/pennsylvania/dauphin/
BibTeX
@misc{zipcheckup-county-pennsylvania-dauphin,
  author = {{ZipCheckup}},
  title  = {{Dauphin County, PA: HSS 57/100; 6 Health Violations}},
  year   = {2026},
  url    = {https://zipcheckup.com/county/pennsylvania/dauphin/}
}

Page version: October 2026.

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