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Social science for the public good

Public data infrastructure, freely available.

Open APIs and bulk downloads for developers and researchers, interactive tools for everyone else. No account, no key. Thank you to the clients who have sponsored this work and agreed to make it available.

APIs & Data

Programmatic access to Civilytics' public datasets — for developers, researchers, and AI agents.

CRDC School Arrest Rate APIBayesian small-area estimates of school-based arrest rates (CRDC 2015-16 / 2017-18 / 2021-22).
Read moreLive APIDocsBulk Download (HF)
US Census of Governments Finance APIGovernment spending, revenue, and cash & security holdings from the US Census of Governments (FY1967-FY2024; no source data FY1968-69), by category, inflation-adjusted and per-capita.
Read moreLive APIDocsBulk Download (HF)
Live apps

Interactive data tools for public use. Apps sleep when nobody is using them, so the first visit shows a short starting-up screen.

Public Finance

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COG Place ExplorerExplore FY1967–2024 revenue and spending per resident for any U.S. state, county, city or township, in constant dollars, from the Census of Governments.Pricing Policing in Your CityCompare how U.S. cities spend on policing — spending growth over time and budget breakdowns by service.

Education

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College Recruiting Outreach MapA tool for college recruiters to find underserved communities with college-ready students for planning recruiting visits and campus outreach.CRDC District Arrest ExplorerCompare Bayesian arrest-rate estimates for any US school district, with credible intervals that show how much confidence each number carries.

Criminal Justice & Policing

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Arrest Map of Little Rock ArkansasExplore the location of arrests across the city of Little Rock Arkansas using data from a public records request.FBI Uniform Crime Report Arrest ExplorerAn interactive tool to explore publicly available arrest data for thousands of law enforcement agencies.Phoenix Police Department 2019 Calls for ServiceExplore the location and issue for every call for police service in Phoenix, AZ in 2019.

Prison Gerrymandering

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Prison Gerrymandering Dot MapA dot-density map of Juneau County, Wisconsin exploring population density by race and highlighting the impact of the state prison.Prison Gerrymandering in WisconsinExplore how incarceration transfers people from Madison and Milwaukee to far flung regions of the state using unique data from the Wisconsin Department of Corrections.

Methods & Tools

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Outcome Rate SimulatorInteractively simulate how outcome rates respond to changing inputs and assumptions.Probability ExplorerExplore how year and parameter effects shape predicted probabilities and switching over time.