Explore how America's places differ and change.

CensusOS is an online map studio for census, demographic, election, land, and change-over-time data.

Open the Viewer See example maps

Used by educators, researchers, journalists, planners, and map nerds.

Selected place New Jersey Median household income

$90,993

Comparison 2020 -> 2024

Explore 700+ integrated datasets

Census, ACS, elections, land, and more.

Compare places and years

Side-by-side comparisons and time sliders.

Export maps and charts

Presentation-ready views and clean data exports.

Share interactive map links

Send your view to collaborators and clients.

For researchers and educators

Teach with up-to-date, reliable data
Investigate social, economic, and environmental patterns
Support student projects and data literacy

For journalists and creators

Find the local story behind the numbers
Visualize trends and disparities
Create maps your audience can understand fast

For civic and planning users

Understand your community
Support planning, policy, and equity work
Monitor change over time

See it in action

Search any place. Choose a variable. See the pattern instantly.

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Example maps

Start with useful civic questions.

View more examples ->

White share change by county2010 to 2020

Median income by tractACS 2024

Election results + demographicsCounty comparison

Land cover change over time2001 to 2021

Free

$0 /mo

Explore core maps, basic search, and limited exports.

Access core datasets
Basic search and map tools
State, county, tract, and ZCTA views

Start free

$12 /mo

Saved projects, exports, comparisons, and advanced change tools.

Everything in Free
Saved projects and map views
Clean exports and comparisons

Pro

$29 /mo

Advanced datasets, block groups, and high-resolution exports.

Block Group access
Advanced datasets and variables
Priority support

Contact

Create your beta account

Start exploring for free.

Search any place, compare how it changed, and create shareable maps in minutes.

Privacy

CensusOS uses Supabase for account login and Cloudflare for hosting, security, request handling, and private R2 data delivery. Browser preferences and local work may be stored in your browser.

Terms

This beta is provided for evaluation. Data and visualizations may contain errors and should be independently verified before operational, legal, financial, or policy use. Paid beta payments are non-refundable unless required by law.

Attribution

Data may include U.S. Census Bureau, ACS, TIGER/Line, OpenStreetMap contributors, election datasets, and other public or licensed sources. Preserve attribution in exports and public screenshots.