COUNTY REPORT IL

Macoupin County, Illinois

20 ZIP codes · Avg score 76/100 · Grade B

ZipCheckup grade for Macoupin County: B.

This ZIP has a few items worth a quick check.

Macoupin County earns an A or B, the top two of ZipCheckup's five grades, based on the average composite Home Safety Score of its scored ZIP codes. That composite can draw on drinking water records, radon zones, PFAS monitoring and air quality data, so a strong grade summarizes several sources and is not a reading from anyone's tap. Scores also vary from one ZIP code to another, and the 20 ZIP reports listed for the county show where each one stands.

How Macoupin County Compares

Macoupin County76/100
Illinois avg68/100
National avg73/100

How Macoupin County Compares

B
County Grade
76/100
Avg Safety Score
20
ZIP Codes
17
Water Systems

Macoupin County scores 8 points above the Illinois state average (68/100) and 3 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
76
Avg Safety Score
20
ZIP Codes
Best ZIP: 62014 (83/100)
Lowest ZIP: 62088 (67/100)
$117K
Median Home Value
$578
Avg Remediation (0.49% of home value)

ZIP Code Risk Map

Water Quality Map: Macoupin County, Illinois

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: 14.3 (asthma 10.6%, diabetes 12.8%)

Modeled additional annual cost estimate per homeowner: $810, largest modeled factor: Energy Code Gap

68% of homes built before 1980 (lead paint was banned for residential use in 1978)

County Health Indicators vs National Average

Asthma 10.6% (national: 8.9%)
Diabetes 12.8% (national: 10.5%)
Obesity 37% (national: 32.4%)

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

Infrastructure Overview

1963
Median Build Year
68%
Pre-1980 Housing
49/100
Infrastructure Stress Indicator
84%
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: $810

Energy Code Gap $526/yr
Flood $486/yr
Water / Lead $233/yr

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

Housing Age Distribution

22,267 housing units in Macoupin County

Pre-1940 26%
1940–1959 18%
1960–1979 24%
1980–1999 18%
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 Macoupin County

$117K
Median Home Value
$578
Est. Remediation Cost
0.5%
of Home Value
Remediation as % of home value low burden

Modeled remediation costs in Macoupin 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 Macoupin County residents

Asthma 10.6% (US avg: 8.9%)
Diabetes 12.8% (US avg: 11%)
Obesity 37% (US avg: 32.4%)

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

Water systems mapped to Macoupin County ZIP codes

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

Show all 8 water systems
  • Auburn
    Serves ~4,574 people 4 violations
    B
  • Gillespie
    Serves ~3,737 people 15 violations
    C

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

Systems with the most violations in Macoupin County

5 water systems with violations in EPA records.

All ZIP Codes in Macoupin County

20 ZIP codes tracked in Macoupin County.

# ZIP Code City Safety Score Grade Violations Home Value
1 62014 Bunker Hill 83 B 2 $188K
2 62626 Carlinville 83 B 1 $133K
3 62685 Shipman 80 B 10 $117K
4 62690 Virden 80 B 6 $112K
5 62012 Brighton 79 B 15 $166K
6 62069 Mount Olive 68 C 27 (6 health) $106K
7 62033 Gillespie 67 C 24 (6 health) $105K
8 62088 Staunton 67 C 57 (6 health) $143K
9 62009 Benld — — 12 (3 health) $84K
10 62023 Eagarville — — $66K
11 62079 Piasa — — 5 $234K
12 62085 Sawyerville — — 5 (1 health) $82K
13 62093 Wilsonville — — $90K
14 62630 Chesterfield — — $123K
15 62640 Girard — — 1 $166K
16 62649 Hettick — — $139K
17 62667 Modesto — — $156K
18 62672 Nilwood — — $44K
19 62674 Palmyra — — $103K
20 62683 Scottville — — —

Recommended Buyer Guides for Macoupin 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

Macoupin County in Illinois covers 20 tracked ZIP records with an average Home Safety Score of B (76/100) across 8 scored records.

12 of 12 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. 11 health-based violations appear in the available health breakdown.

← Back to Illinois 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 Macoupin County?
Macoupin County receives an average Home Safety grade of B from its scored ZIP records (20 ZIP codes tracked); this is a composite index, not a tap-water test.
How many water systems serve Macoupin County?
We map 17 public water systems to 20 ZIP codes in our data for Macoupin County. EPA may list more systems serving the county, so this is not a full count.
What is the biggest environmental risk in Macoupin County?
In ZipCheckup's cost model, the factor with the largest estimated average annual cost in Macoupin County is energy code gap. Across all modeled risk factors, the estimated average additional annual cost is $810 per homeowner; actual costs vary by home.
How old are homes in Macoupin County?
The median home build year in Macoupin County is 1963. 68% 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 Macoupin County compare to Illinois?
Macoupin County has an average Home Safety Score of 76/100 under model 4.0.0, which is at or above the Illinois state average of 68/100.

How to cite this page

APA ZipCheckup. (2026). Macoupin County, IL: HSS 76/100; PFAS Found in Water. https://zipcheckup.com/county/illinois/macoupin/
BibTeX
@misc{zipcheckup-county-illinois-macoupin,
  author = {{ZipCheckup}},
  title  = {{Macoupin County, IL: HSS 76/100; PFAS Found in Water}},
  year   = {2026},
  url    = {https://zipcheckup.com/county/illinois/macoupin/}
}

Page version: October 2026.

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