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Colonias Investment Areas Research

Understanding the Colonias Investment Areas

Located along the U.S. and Mexico border, colonias communities lack a widely accepted definition and standardized boundaries, hindering investment. Fannie Mae and the Housing Assistance Council (HAC) have partnered to address this underserved market. Insights gained from our research are leading to greater understanding of the colonias region and potential investment opportunities.

FHFA Defines the Colonias

In May 2023, FHFA released a standardized definition of the Colonias region along the U.S.-Mexico border. The boundaries of the region, informed by this research effort, will allow lenders and other stakeholders to better support these communities. Read the report below to better understand how this region was defined, and see our AMI Limit Lookup Tool for the most up to date information on FHFA-defined rural regions.

See the FHFA map and learn more at

Explore our 2020 Colonias Investment Areas research


Proud to partner with HAC

Fannie Mae is pleased to have partnered with the Housing Assistance Council (HAC) to address the need for a greater understanding of the colonias region. Working together, we hope to increase investment in and access to affordable housing in this underserved market.