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US GeoReference Data

Smarty's US GeoReference Data gives you the US Census Tract and block data you need to easily comply with governmental regulations and gain access to the critical demographic insights you need to make your organization run smoothly.

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Census Tract Data

Accurately relate demographic data to specific addresses with a persistent unique identifier (PUID).
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Census Block Data

Use the demographic data in stable block geographies for statistical analysis and business decisions.
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City Place and Name

Identify the Census Place names, IDs, and incorporated or unincorporated status of a city or town.

Get industry-leading accuracy


Uptime for GeoReference


Million Addresses


Addresses Processed Daily

4.8 Stars

Based on Hundreds of G2 Reviews

US GeoReference Data gives you the precise Census Tract data you need, including

Census Block, Block Group, and Census Tract


The up to 15-character Census Tract and block ID.

Census County Division (CCD)


The county subdivision identifier and name.

Core Based Statistical Area (CBSA)


The GeoID for the CBSA and name.

City & Place Name Census Designated Place (CDP)


The precise geographic city or town an address falls within and its incorporated or unincorporated status.

Demo of GeoReference data
How you win with Smarty US GeoReference Data

Our lightning-fast API, clear documentation, legendary support, and can-do attitude make US Census Tract lookups a breeze.


Enhance US Census Tract identification

Access SmartyKey™, a unique ID assigned to each location, to ensure locations tie to the correct census tract and block information.

Improve government compliance

Government regulations can be tricky to follow. Empower your organization to meet government demographic requirements with ease.

Match more Census Tracts

Smarty's US GeoReference Data is connected to Smarty's US Rooftop Geocoding to ensure accurate Census data is returned for superior data modeling.

Identify locational demographics

Append the locational demographic and economic information in each Census Tract to your data for better business decisions.

Streamline data aggregation

With more than 220+ million US addresses in one place, you can reduce manual entry by using Smarty's US GeoReference Data.

Expand with confidence

Improve your data accuracy and quality by only using verified and standardized addresses with your Census Tract data.

Super-fast Census Tract API

Accurate US Census Tract data


Get the correct census tract the first time. Smarty's US GeoReference Data stands on top of our already hyper-accurate US Rooftop Geocoding. When you enter an address, we immediately verify its accuracy and relate it to the correct census tract. Additionally, each of the returned census data points is accompanied by an accuracy rating, giving you a transparent view of the data you get back.

Easily relate census tract data to addresses


Getting the census tract data is one thing, but being able to relate that information to addresses and other crucial tools you're using is something else entirely. SmartyKey is a persistent unique identifier (PUID) assigned to every address in the United States. With the SmartyKey, you can easily and accurately tie the census tract data back to a location despite address changes.

Free, unlimited, legendary support


When you reach out to our support team, they answer promptly. It's that simple. Smarty's support team comprises knowledgeable experts — no novices, no tiers, and no time-wasting scripts. Try us, and you'll agree that our unlimited, free support is better than other companies' paid support.

Simple, clear documentation


Packed with examples and sample code, our intuitive documentation helps you get up and running before you can shamelessly shout, "I love Smarty’s SDKs!" Read up on best practices and discover some of our pre-built open-source tools.

Demo of census tract data

What our customers are saying

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Smarty support service is beyond excellent with time and accuracy. We had a technical issue and I sent an email. In just a few mins (less than 2 or so), I got a call and the issue was resolved in less than 5 mins. logo and 5 gold stars by a Reviewer


How to do a census tract lookup?


Smarty's GeoReference product has two easy ways to look up census tract and block information. First, suppose you need a simple, lightning-fast API to process many census tract lookups daily. In that case, Smarty's Address Enrichment API is easy to use and can process millions of addresses at industry-leading speeds. Second, you can use our census tract lookup tool to find the census tract ID, CBSA, place, and block ID individually.

What is a census tract?


A census tract is a small, relatively uniform, and stable area used for demographic analysis, typically containing 1,200 to 8,000 people. Each census tract provides detailed data on population characteristics, crucial for businesses and organizations in making informed decisions and tailoring strategies to specific communities.

How to find a census tract for an address?


The easiest way to find a census tract for an address is through a census API like Smarty’s. Smarty's GeoReference API provides a simple way for banks, lenders, real estate agents, and healthcare providers to access census tract and block information.

What is a Metropolitan Statistical Area (MSA)?


A Metropolitan Statistical Area (MSA), also called a Core Based Statistical Area (CBSA), is a geographic region with a high population density at its core and close economic ties throughout the area. It typically encompasses one or more urban cities and their surrounding communities, used for statistical purposes to analyze urban and suburban dynamics.