Flat vs South Mountain

A side-by-side comparison of Flat and South Mountain: population, income, housing, and more.

Flat and South Mountain are places in Texas. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Flat has the higher population (489 vs 295 in South Mountain). Since 2019, Flat's population has grown faster (-18.2% vs -23.0%).

Population, income & housing

	Flat	South Mountain
Population	489	295
Median age	20.5 yrs	57.3 yrs
Median household income	—	$60,938
Median home value	—	$170,800
Median gross rent	—	$988
Housing units	93	143
Homeownership rate	76.3%	88.3%
Bachelor's degree or higher	6.7%	15.3%
Unemployment rate	31.0%	11.0%

Trends (ACS 5-year, 2019–2023)

	Flat	South Mountain
Population	598 → 489 (-18.2%)	383 → 295 (-23.0%)
Median household income	—	$59,167 → $60,938 (+3.0%)
Median home value	$94,600 → $94,700 (+0.1%)	$117,400 → $170,800 (+45.5%)
Median gross rent	—	$736 → $988 (+34.2%)

Flat

Population

598489

Median home value

$94,600$94,700

South Mountain

Population

383295

Median household income

$59,167$60,938

Median home value

$117,400$170,800

Median gross rent

$736$988

Age & race/ethnicity

Age distribution (share)

	Flat	South Mountain
Under 5	3.5%	2.0%
5 to 17	27.2%	14.2%
18 to 24	29.9%	4.1%
25 to 34	8.4%	8.1%
35 to 44	0.0%	14.9%
45 to 54	19.2%	4.7%
55 to 64	0.0%	12.9%
65 to 74	11.9%	19.7%
75 and over	0.0%	19.3%

Race & ethnicity (share)

	Flat	South Mountain
White (non-Hispanic)	14.7%	93.2%
Black or African American	0.0%	0.0%
American Indian & Alaska Native	0.0%	0.0%
Asian	0.0%	0.7%
Native Hawaiian & Pacific Islander	0.0%	0.0%
Some other race	0.0%	0.0%
Two or more races	84.0%	0.3%
Hispanic or Latino	1.2%	5.8%

Educational attainment (age 25+)

Share of adults 25+

	Flat	South Mountain
No high school diploma	30.1%	10.2%
High school graduate	60.1%	40.9%
Some college or associate's	3.1%	33.6%
Bachelor's degree	6.7%	9.8%
Graduate or professional degree	0.0%	5.5%

Commute to work

How workers get to work (share)

	Flat	South Mountain
Drove alone	100.0%	85.8%
Carpooled	0.0%	8.8%
Public transit	0.0%	0.9%
Walked	0.0%	0.0%
Bicycle	0.0%	0.0%
Worked from home	0.0%	1.8%
Other means	0.0%	2.7%

Housing

Units in structure (share)

	Flat	South Mountain
1-unit, detached	100.0%	86.7%
1-unit, attached	0.0%	2.1%
2 to 4 units	0.0%	0.0%
5 to 19 units	0.0%	0.0%
20 or more units	0.0%	0.0%
Mobile home & other	0.0%	11.2%

Poverty & households

	Flat	South Mountain
Poverty rate	0.0%	6.5%
Average household size	5.26	2.30
Mean commute (minutes)	—	30
Median year structure built	1992	1983