Marion County, Indiana
62 ZIP codes · Avg score 57/100 · Grade C · Updated
ZipCheckup grade for Marion County: C.
A mixed picture - some signals here are worth your attention.
Across Marion County's 62 ZIP codes, water safety results are uneven - a portion of systems carry active or recent violations, while others meet standards without issues.
How Marion County Compares
How Marion County Compares
Marion County scores 7 points below the Indiana state average (64/100) and 16 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 Last verified:
ZIP Code Risk Map
Water Quality Map: Marion County, Indiana
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 13.4 (asthma 11.8%, diabetes 13%)
Estimated additional annual cost per homeowner: $1,209, driven primarily by flood
Violation History (2021–2025)
→ Stable trendEPA violation counts by year across Marion County water systems. Health-based shown in red, total in blue.
Peak year: 2025 with 102 violations. Past 5 years: 142 total (142 health-based).
Source: EPA SDWIS historical violations. Data may lag 6–12 months for the most recent year.
County Health Indicators vs National Average
Black markers indicate national averages. Source: CDC PLACES, Census ACS.
Infrastructure Overview
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: $1,209
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 Marion County
Remediation costs are relatively manageable for most homeowners in Marion 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 Marion County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water systems serving Marion County
8 community water systems serving Marion County.
- C
- C
- C
- C
- C
- C
Show all 8 water systems
- D
- C
9 total water systems serve Marion County.
Systems with the most violations in Marion County
5 water systems with recorded EPA violations.
- D
- C
- C
- C
- C
All ZIP Codes in Marion County
62 ZIP codes tracked in Marion County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 46107 | Beech Grove | 58 | C | 0 | $167K |
| 2 | 46201 | Indianapolis | 58 | C | 0 | $151K |
| 3 | 46202 | Indianapolis | 58 | C | 0 | $420K |
| 4 | 46203 | Indianapolis | 58 | C | 0 | $156K |
| 5 | 46204 | Indianapolis | 58 | C | 0 | $350K |
| 6 | 46205 | Indianapolis | 58 | C | 0 | $278K |
| 7 | 46208 | Indianapolis | 58 | C | 0 | $206K |
| 8 | 46214 | Indianapolis | 58 | C | 0 | $180K |
| 9 | 46217 | Indianapolis | 58 | C | 0 | $226K |
| 10 | 46218 | Indianapolis | 58 | C | 0 | $90K |
| 11 | 46219 | Indianapolis | 58 | C | 0 | $177K |
| 12 | 46220 | Indianapolis | 58 | C | 0 | $330K |
| 13 | 46221 | Indianapolis | 58 | C | 0 | $175K |
| 14 | 46225 | Indianapolis | 58 | C | 0 | $124K |
| 15 | 46227 | Indianapolis | 58 | C | 0 | $193K |
| 16 | 46228 | Indianapolis | 58 | C | 0 | $241K |
| 17 | 46229 | Indianapolis | 58 | C | 0 | $170K |
| 18 | 46237 | Indianapolis | 58 | C | 0 | $216K |
| 19 | 46239 | Indianapolis | 58 | C | 0 | $253K |
| 20 | 46241 | Indianapolis | 58 | C | 0 | $112K |
| 21 | 46250 | Indianapolis | 58 | C | 0 | $289K |
| 22 | 46254 | Indianapolis | 58 | C | 0 | $176K |
| 23 | 46259 | Indianapolis | 58 | C | 0 | $305K |
| 24 | 46278 | Indianapolis | 58 | C | 0 | $420K |
| 25 | 46216 | Indianapolis | 57 | C | 7 (5 health) | $254K |
| 26 | 46226 | Indianapolis | 57 | C | 7 (5 health) | $149K |
| 27 | 46231 | Indianapolis | 57 | C | 4 | $204K |
| 28 | 46235 | Indianapolis | 57 | C | 7 (5 health) | $169K |
| 29 | 46236 | Indianapolis | 57 | C | 7 (5 health) | $282K |
| 30 | 46256 | Indianapolis | 57 | C | 8 (5 health) | $278K |
| 31 | 46240 | Indianapolis | 56 | C | 4 (2 health) | $329K |
| 32 | 46260 | Indianapolis | 56 | C | 4 (2 health) | $272K |
| 33 | 46268 | Indianapolis | 56 | C | 4 (2 health) | $209K |
| 34 | 46222 | Indianapolis | 47 | D | 35 | $104K |
| 35 | 46224 | Indianapolis | 47 | D | 35 | $167K |
| 36 | 46183 | West Newton | — | — | — | |
| 37 | 46206 | Indianapolis | — | — | — | |
| 38 | 46207 | Indianapolis | — | — | — | |
| 39 | 46209 | Indianapolis | — | — | — | |
| 40 | 46211 | Indianapolis | — | — | — | |
| 41 | 46213 | Indianapolis | — | — | — | |
| 42 | 46223 | Indianapolis | — | — | — | |
| 43 | 46230 | Indianapolis | — | — | — | |
| 44 | 46242 | Indianapolis | — | — | — | |
| 45 | 46244 | Indianapolis | — | — | — | |
| 46 | 46247 | Indianapolis | — | — | — | |
| 47 | 46249 | Indianapolis | — | — | — | |
| 48 | 46251 | Indianapolis | — | — | — | |
| 49 | 46253 | Indianapolis | — | — | — | |
| 50 | 46255 | Indianapolis | — | — | — | |
| 51 | 46262 | Indianapolis | — | — | — | |
| 52 | 46266 | Indianapolis | — | — | — | |
| 53 | 46274 | Indianapolis | — | — | — | |
| 54 | 46275 | Indianapolis | — | — | — | |
| 55 | 46277 | Indianapolis | — | — | — | |
| 56 | 46282 | Indianapolis | — | — | — | |
| 57 | 46283 | Indianapolis | — | — | — | |
| 58 | 46285 | Indianapolis | — | — | — | |
| 59 | 46291 | Indianapolis | — | — | — | |
| 60 | 46295 | Indianapolis | — | — | — | |
| 61 | 46296 | Indianapolis | — | — | — | |
| 62 | 46298 | Indianapolis | — | — | — |
Recommended Buyer Guides for Marion County
Where county records show a lead exceedance or pre-1978 housing concentration, lead-specific filters and test kits move toward the top of the list.
- Best Water Filters for PFAS — PFAS detected in 2 ZIP codes
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
- Best Radon Test Kits — EPA Radon Zone 1 (highest risk) dominant in county
- Best Sump Pumps — Flood is the top compound risk factor
- Best Mold Test Kits — Flood-driven moisture and mold risk
Deep Dive Reports
Detailed analysis for Marion County, Indiana
Overview
Marion County in Indiana covers 62 tracked ZIP records with an average Home Safety Score of C (57/100) across 35 scored records.
11 of 35 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. 7 health-based violations appear in the available health breakdown.
← Back to Indiana Home Safety Profile
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- PFAS screening: EPA UCMR 5
- Radon zones: EPA Map of Radon Zones
- Air quality: EPA AirData annual AQI
- Home values: U.S. Census Bureau ACS (median estimates by ZCTA)
Reporting periods vary by source. Missing data is shown as unavailable, not as zero.