Houston Open Data Explorer

Sample questions

Every question below can be answered from the data in the explorer. Click one to ask it, or use it as a starting point for your own. The small print lists the main datasets each one draws on.

Neighborhoods at a glance

Put any neighborhood in context — people, services, risks.

Flooding & drainage

Four storms of high-water marks, FEMA flood zones and claims, 5.6M 311 calls, 130k storm drains.

Public safety

1.26M HPD offense records 2020–2024, structural fires 2015–2021, stations and beats.

311 & city services

Every 311 request since 2011 — what people report, where, and how fast the city responds.

Streets, traffic & transit

Vision Zero injury network, pavement ratings, speed limits, traffic calming, METRO.

Health, heat & vulnerability

CDC PLACES health estimates, the Social Vulnerability Index, cooling centers.

Environment & industry

EPA Toxics Release Inventory 2014–2024 for the Houston region.

Investment, policy & development

TIRZs, Hope Areas, Complete Communities, Opportunity Zones, LARA lots, plats and permits.

Parks, schools & culture

Parks, schools, libraries, museums, historic districts.

Cross-cutting "wow" questions

Questions that join five or more datasets at once.