Data and Maps

The Data and Maps page features a searchable database of mapping applications and data visualizations.
Community Insights features filterable data tools for communities within Southeast Michigan. The Open Data Portal features downloadable GIS data.

Community Insights Open Data Portal

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Showing 1 – 12 of 80 results

Screenshot of the title screen of the Roundabouts Storymap.

Mapping and information about the safety, design, and location of traffic roundabouts in Southeast Michigan.

Screenshot of the LUCA (Local Update of Census Addresses) map tool.

The 2030 LUCA (Local Update of Census Addresses) Housing Unit Reviewer was developed to help communities within the SEMCOG region…

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Thumbnail image of the SEMCOG Membership map, showing member communities classified into cities, townships, and villages.

View all of SEMCOG's member governments on a series of regional maps.

Screenshot of the Residential Construction dashboard showing a map, a chart, and some quick facts about residential construction permits in Southeast Michigan.

Residential building permit data from each community in Southeast Michigan for new single-family homes, attached condominiums, an…

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Screenshot of the Transportation Alternatives Program map tool, showing colored dots indicating the locations of TAP projects in Southeast Michigan.

Access information about past Transportation Alternatives Program (TAP) projects and grants throughout Southeast Michigan.

Thumbnail view of the TIP webmap as of July 2026, while Amendment 26-3 is open for public comment.

Find information about Transportation Improvement Plan construction projects in the Southeast Michigan region.

Thumbnail view of the SEMCOG Road Jurisdiction map, including the right-hand summary table and toolbar.

This map shows jurisdictional ownership, National Highway System (NHS), National Functional Classification (NFC) and Federal Aid …

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Image of the Land Use application with the map and legend visible.

Explore changes in land use in Southeast Michigan from 2015 to 2024, with links to historical land use reference maps.

SEMCOG’s Regional Infrastructure Coordination Hub (RICH) helps communities share planned CIP projects. SEMCOG transfers submitted…

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Rain garden with native flowers, grasses, and stones beside a sidewalk, capturing stormwater on a residential street.

Explore how green infrastructure builds climate resilience in Southeast Michigan using data, planning tools. Local uses!

A series of bar charts showing changes in income within the Southeast Michigan region.

Explore how household income growth changes over time, by income group, and across geographies and socio-economic groups.

Thumbnail of SEMCOG’s traffic volume map showing road segments and AADT data across Southeast Michigan.

SEMCOG’s Traffic Volume map represents Average Annual Daily Traffic (AADT) for roads in Southeast Michigan that are eligible for …

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Roundabouts

2030 LUCA Housing Unit Reviewer

SEMCOG Membership

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Transportation Alternatives Program (TAP)

TIP Projects

Road Jurisdiction

Patterns of Land Use Change, 2015 – 2024

Regional Infrastructure Coordination Hub

Building Resilience through Green Infrastructure in Southeast Michigan

Shared Prosperity

Traffic Volume