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New! Montgomery County Trends: Racial and Ethnic Diversity Story Map – An interactive visual representation of the racial and ethnic changes in Montgomery County over 1990-2020. The storymap uses the historical and latest Decennial Census data to illustrate the trends and spatial concentration of each race and Hispanic ethnicity. It also shows which of the four major groups (non-Hispanic Asian, Black, and White, and Hispanic) is predominant, majority, or the most common group in each Census tract.

Demographic Profile of Montgomery County’s Council Districts –This report provides a profile of each of the newly drawn seven Montgomery County Council districts and the county overall using block group-level data from the 2020 American Community Survey 5-year estimates. It includes detailed data on population characteristics, households, and employment.

Equity Focus Areas Story Map – See the award-winning visual representation of the Equity Focus Areas Analysis.

QuickStats – 2019: The latest American Community Survey data describing Montgomery County’s population, employment, income, and housing is presented in easy to understand statistical infographics.

Montgomery County Trends: A Look at People, Housing, Jobs Since 1990 – A study of countywide trends between 1990 and 2016 asks the question: How has the county’s population, housing, and employment changed since the 1993 General Plan refinement? Analyzing what occurred over a 25-plus year time period establishes a baseline of major changes and current conditions. This information will inform needs assessments and policy discussions during the General Plan update currently underway.

We recommend using an up-to-date browser, such as Google Chrome or Mozilla Firefox to view the interactive web application.

Interactive Highlights | Fact sheet | Full Report | Presentation to Planning Board 1-31-2019

Quick STATS: Montgomery County, MD –  The latest U.S. Census data profiling Montgomery County’s population, employment, and housing is readily available in this two-page summary. Topics include population and housing growth, race and Hispanic origin, foreign born, employment, education, income, and housing costs.

Montgomery County Income Blog Post  – This blog post explores the state of Montgomery County household income as well as changes in employment, by sector. Findings show that household income is still recovering from the Great Recession and that there has been a shift away from higher-paying jobs, such as professional and business services, federal government, and advanced manufacturing.

Regional{Pop}Stats – This interactive map shows data from the US Census 2009-2013 American Community Survey (ACS) for Montgomery County, MD and neighboring counties in the Washington, DC region. This tool is intended to provide users with estimates of population, housing, and income characteristics for custom combinations of Census Block Groups.

Montgomery County Trends At-A-Glance – The Research and Special Projects Division have produced an updated one-page trendsheet document featuring some of the most important facts and figures shaping the county. Click the link or the image to the right to learn some interesting population, employment, and housing findings.

View our analysis of the 2010 U.S. Census.


The demographic trendsheets report the latest trend or subject relevant to current policy questions in Montgomery County.

Demographic monitor (Educational Attainment), 4Q2013
Demographic monitor (Housing Cost Burden), 3Q2013
Demographic monitor (County-to-County Migration), 2Q2013
Demographic monitor (Median Income), 1Q2013

Poverty trendsheets

Poverty, December 2011 (pdf, 287 KB)
Poverty, December 2010 (pdf, 210 KB)

Last Updated: January 26, 2023