COUNTY REPORT IL

Macoupin County, Illinois

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

ZipCheckup grade for Macoupin County: B.

This ZIP looks solid, with a few items worth a quick check.

Water systems in Macoupin County serve 20 ZIP codes with few reported safety events.

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 Last verified:

B
County Grade
76
Avg Safety Score
20
ZIP Codes
Best ZIP: 62014 (83/100)
Lowest ZIP: 62088 (67/100)
$117K
Median Home Value
$1,080
Avg Remediation (92% 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%)

Estimated additional annual cost per homeowner: $1,172, driven primarily by energy_code_gap

71.2% of homes built before 1978 (lead paint era)

Violation History (2024–2025)

→ Stable trend

EPA violation counts by year across Macoupin County water systems. Health-based shown in red, total in blue.

2024
5 (5 health)
2025
12 (12 health)

Peak year: 2025 with 12 violations. Past 5 years: 17 total (17 health-based).

Source: EPA SDWIS historical violations. Data may lag 6–12 months for the most recent year.

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
71.2%
Pre-1978 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 DWINS infrastructure needs, EPA SDWIS violations, and EPA lead indicators.

Compound Risk Breakdown

Estimated additional annual cost per homeowner: $1,172

Energy Code Gap $526/yr
Flood $486/yr
Water Infrastructure $263/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
$1,080
Est. Remediation Cost
0.9%
of Home Value
Remediation as % of home value low burden

Remediation costs are relatively manageable for most homeowners in Macoupin County, representing a small fraction of property value.

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 serving Macoupin County

8 community water systems serving Macoupin County.

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

17 total water systems serve Macoupin County.

Systems with the most violations in Macoupin County

5 water systems with recorded EPA violations.

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

While many sites publish identical guide lists across every county they cover, the selection here changes by location - driven by the EPA, NSF, FEMA, and CDC datasets that describe the actual conditions documented for this jurisdiction in the federal record.

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 a grade of B, indicating generally safe tap water across its 20 ZIP codes.
How many water systems serve Macoupin County?
Macoupin County is served by 17 public water systems that supply drinking water to residents across 20 ZIP codes.
What is the biggest environmental risk in Macoupin County?
The primary environmental risk factor in Macoupin County is energy_code_gap. This contributes to an estimated additional annual cost of $1,172 per homeowner.
How old are homes in Macoupin County?
The median home build year in Macoupin County is 1963. 71.2% of homes were built before 1978, which means they may contain lead-based paint and 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 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: August 2026.

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