Compare · IN · OH
ZIP 46204 vs ZIP 43215
Indianapolis, IN compared to Columbus, OH on twelve public-records dimensions. Data landing this week as ingestion rolls out.
Last verified 2026-04-24 · methodology
Side by side
| Dimension | ZIP 46204 | ZIP 43215 |
|---|---|---|
| Water quality EPA SDWIS | Data landing this week | Data landing this week |
| Flood zone FEMA NFHL | Data landing this week | Data landing this week |
| Wildfire risk USDA Forest Service | Data landing this week | Data landing this week |
| Air quality EPA AirNow | Data landing this week | Data landing this week |
| Crime FBI UCR | Data landing this week | Data landing this week |
| Schools NCES Common Core | Data landing this week | Data landing this week |
| Radon EPA Radon Zones | Data landing this week | Data landing this week |
| Lead pipes EPA LCRR / RTI | Data landing this week | Data landing this week |
| Property tax County assessor | Data landing this week | Data landing this week |
| Deed activity County recorder | Data landing this week | Data landing this week |
| Zoning Municipal planning | Data landing this week | Data landing this week |
| Sex offender registry NSOPW (deep-link) | Data landing this week | Data landing this week |
Dimensions populate live as ingestion reaches each source. Every row will link to the primary regulator.
Indiana context
Radon, lead pipes (older Rust Belt cities)
Indiana has Zone 1 radon coverage across most counties. Lead-service-line inventories under LCRR are heaviest in Gary, South Bend, Hammond, Indianapolis. Tornado exposure peaks April-June.
Ohio context
Lead service lines, Great Lakes erosion
Ohio has heavy LCRR obligations in Cleveland, Cincinnati, Columbus, Toledo. Lake Erie shoreline erosion expands FEMA AE zones in some lakefront counties. Tornado exposure on the Indiana/Ohio border.
Read more on cross-ZIP comparisons
Editorial deep-dives that help when reading two places side-by-side — what each data layer actually proves, and what it doesn't.
Flood zones explained — what AE, X, and VE actually mean
Plain-English guide to FEMA flood-zone codes (A, AE, AH, V, VE, X, X-shaded). What the 1% and 0.2% annual-chance zones mean for your property and your insurance.
EPA Radon Zones — what 1, 2, and 3 mean and when you should test
EPA classifies every US county into Zone 1 (high), Zone 2 (moderate), or Zone 3 (low) for radon. Plain-English guide to the classifications and at-home testing.
FBI UCR and NIBRS — what crime statistics actually show (and don't)
The FBI's Uniform Crime Reporting (UCR) program and its successor NIBRS aggregate crime data from local agencies. Plain-English guide to what gets reported, what doesn't, and how to read the numbers.
Lead and Copper Rule 2024 — the federal lead-pipe inventory mandate
The 2024 Lead and Copper Rule Revisions (LCRR) require every US community water system to inventory and report lead service lines. Plain-English guide.
More comparisons