Topics
Every ZIP code in Ohio, described 68 ways: the water, the ground, the homes, the schools, the roads, the air and the history. Each topic below has its own page with the statewide picture, the highest and lowest ZIP codes, and its source. Overlays -- infrastructure, flood zones, cameras and historical maps -- draw on top of any topic on the map instead of standing as topics of their own.
Water
Where the tap water comes from and what is in it: the lake, river, reservoir or aquifer behind every tap, the plant that treats it, and what the compliance record and the lab results say about it.
Where does the tap water come from?
Which plant or well field actually treats it?
Has the water system had any violations?
How much disinfection byproduct is in the water?
Is there PFAS in the water?
How much lead turns up in tap tests?
Is the water fluoridated?
Have algal toxins reached the water?
How vulnerable is the groundwater here?
How exposed is the aquifer under this ZIP?
How does the nearest sewage plant perform?
Are the local streams healthy?
Which watershed does this ZIP drain to?
Home
The houses themselves and what they cost: who lives in them, what a typical one looks like down to the parcel record, how much new housing has gone up, and what a household pays in property tax.
What are homes and incomes like here?
What do the houses here look like, one by one?
How much new housing has been built?
How much have home prices changed?
How high is the school property tax?
Utilities and getting around
The companies and networks that keep a house running and a resident moving: electric, gas, phone and internet service, and the roads, transit, rail and airports around it.
Which company supplies the electricity?
Which company supplies the natural gas?
How close is the nearest power plant?
How close is the nearest gas pipeline?
Which company holds the phone exchange?
Can homes here get fast internet?
How good is cell coverage here?
How far is the nearest EV charger?
Is there a transit stop nearby?
How walkable is this ZIP?
How many rail crossings are here?
Are the local bridges in good repair?
How busy are the roads here?
How far is the nearest airport?
Land, air and risk
The ground itself and what can go wrong on it: radon, flood risk, air quality, old mines and wells, and the parks, wetlands and open land still left.
How much radon shows up in home tests?
How much of this ZIP floods?
How much natural-hazard risk does this ZIP carry?
What is the climate like here?
How clean is the air?
Is there a toxic site nearby?
How much toxic release comes from local industry?
How many high-hazard dams are nearby?
What disasters have hit this ZIP?
How many spills have been reported here?
How many oil and gas wells are here?
Is this ZIP undermined by old mining?
How suitable is the soil for a septic system?
How much parkland is here?
How much wetland is left?
How developed is the land?
People and health
Who lives here and how well: education, jobs, health and life expectancy, and how far the nearest hospital, police station or grocery store sits.
What is the education level here?
Are there jobs located here?
How far can a child born poor here rise?
How socially vulnerable is this ZIP?
How healthy are residents here?
How long do residents here live?
How far is the nearest hospital?
How far is the nearest nursing home?
How much crime is reported here?
How far is the nearest police station?
How far is the nearest fire station?
How far is the nearest library?
Is this ZIP close to a grocery store?
History, schools and government
How the place began, who governs it now, and the schools that serve it, from the district boundary to its state report card.
How did this place begin?
How many historic places are listed here?
Which school district serves this ZIP?
How does the school district rate?
How far is the nearest college?
Which city, village or township is this?
Who represents this ZIP in government?