Montgomery County vs Williamson County

A side-by-side comparison of Montgomery County and Williamson County: population, income, housing, and more.

Montgomery County and Williamson County are counties in Texas. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Montgomery County has the higher population (654,722 vs 643,889 in Williamson County). Williamson County has the higher median household income ($108,309 vs $97,266 in Montgomery County). Williamson County has the higher median home value ($414,600 vs $317,500 in Montgomery County).

Population, income & housing

	Montgomery County	Williamson County
Population	654,722	643,889
Median age	37.2 yrs	37.2 yrs
Median household income	$97,266	$108,309
Median home value	$317,500	$414,600
Median gross rent	$1,471	$1,720
Housing units	253,801	251,600
Homeownership rate	71.7%	67.1%
Bachelor's degree or higher	37.9%	47.4%
Unemployment rate	4.6%	4.0%

Trends (ACS 5-year, 2019–2023)

	Montgomery County	Williamson County
Population	571,949 → 654,722 (+14.5%)	547,604 → 643,889 (+17.6%)
Median household income	$80,902 → $97,266 (+20.2%)	$87,337 → $108,309 (+24.0%)
Median home value	$235,800 → $317,500 (+34.6%)	$262,300 → $414,600 (+58.1%)
Median gross rent	$1,203 → $1,471 (+22.3%)	$1,327 → $1,720 (+29.6%)

Montgomery County

Population

571,949654,722

Median household income

$80,902$97,266

Median home value

$235,800$317,500

Median gross rent

$1,203$1,471

Williamson County

Population

547,604643,889

Median household income

$87,337$108,309

Median home value

$262,300$414,600

Median gross rent

$1,327$1,720

Age & race/ethnicity

Age distribution (share)

	Montgomery County	Williamson County
Under 5	6.4%	6.1%
5 to 17	19.7%	18.4%
18 to 24	8.3%	7.8%
25 to 34	12.7%	14.2%
35 to 44	14.1%	16.9%
45 to 54	13.2%	13.5%
55 to 64	12.0%	10.4%
65 to 74	8.5%	7.8%
75 and over	5.0%	5.0%

Race & ethnicity (share)

	Montgomery County	Williamson County
White (non-Hispanic)	60.3%	55.1%
Black or African American	5.7%	6.6%
American Indian & Alaska Native	0.1%	0.1%
Asian	3.2%	8.9%
Native Hawaiian & Pacific Islander	0.1%	0.1%
Some other race	0.3%	0.5%
Two or more races	3.2%	4.1%
Hispanic or Latino	27.1%	24.5%

Educational attainment (age 25+)

Share of adults 25+

	Montgomery County	Williamson County
No high school diploma	9.8%	5.8%
High school graduate	23.3%	17.7%
Some college or associate's	29.0%	29.0%
Bachelor's degree	24.6%	30.5%
Graduate or professional degree	13.3%	16.9%

Commute to work

How workers get to work (share)

	Montgomery County	Williamson County
Drove alone	74.2%	66.0%
Carpooled	8.6%	7.6%
Public transit	0.8%	0.4%
Walked	0.9%	1.0%
Bicycle	0.2%	0.2%
Worked from home	14.1%	23.3%
Other means	1.3%	1.6%

Housing

Units in structure (share)

	Montgomery County	Williamson County
1-unit, detached	67.6%	72.8%
1-unit, attached	2.4%	2.6%
2 to 4 units	2.0%	3.9%
5 to 19 units	8.1%	8.4%
20 or more units	7.8%	10.1%
Mobile home & other	12.1%	2.2%

Poverty & households

	Montgomery County	Williamson County
Poverty rate	9.3%	6.3%
Average household size	2.77	2.65
Mean commute (minutes)	32	28
Median year structure built	2003	2005