United States › Texas › Knollwood CITY
Knollwood Texas · 809 residents (2025 est.) · 0.33 sq mi
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The short version
Knollwood is a city of 701 people in Texas. Owners hold 31% of the housing stock. The population has more than doubled since 2000, adding 326 people. The median age is 31.8, younger than the US median of 38.9. Four-year degrees are less common here than nationally, at 20% of adults. Households here earn about 29% less than in Texas as a whole.
At a glance
Lower income
below the US median
US median: $82,259
Younger
median age 31.8
US median: 38.9
Less educated
20% hold a bachelor's degree
US average: 36%
Renter-heavy
31% owner-occupied
US average: 65%
Section 01
Population & growth from 375 in 2000
809 in 2025 (Census Bureau estimate)
2,157 / sq mi
+110%since 2009
from 1,028 / sq mi in 2009
US average: 281
from 27.9 in 2000
US average: 38.9
Population, 1990 – 2024
155 321 487 653 819 1990 2000 2010 2020 2024 Knollwood Age distribution, 2024
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02
Income & economy $55,819
−1%inflation adjusted, since 2000
from $30,893 in 2000
US average: $82,259
from $13,497 in 2000
US average: $44,673
Households earning $100K+
from 0.0% in 2009
US average: 53.3%
from 2.5% in 2000
US average: 12.5%
from 0.254 in 2010
US average: 0.476
Workforce by industry, 2024
Professional, scientific, technical 7.4%
Education & health services 5.3%
Transportation & warehousing 2.4%
Public administration 2.4%
Arts, entertainment, food 1.9%
Agriculture, forestry, fishing 1.7%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
$1,316
+70%inflation adjusted, since 2000
from $425 in 2000
US average: $1,442
from 88.8% in 2000
68.8% rent
from 21.5% in 2009
US average: 10.0%
1.75 people
−29%since 2009
from 2.47 people in 2009
US average: 2.54
from 26.5% in 2009
US average: 22.9%
from 54.1% in 2009
US average: 47.4%
Section 04
Race & ethnicity 2000
White, non-Hispanic 84.8%(318)
Hispanic / Latino 6.1%(23)
2024
White, non-Hispanic 67%(470)
Hispanic / Latino 8.7%(61)
from 20 in 2009
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Section 04 · Origins
Detailed origins & ancestry Ancestry
+ 3 more ancestry groups with data from 4.1% in 2000
US average: 35.6%
High school or higher
from 69.1% in 2000
US average: 89.6%
from 1.4% in 2000
US average: 14.0%
Section 06
Commute & transportation from 13.0 min in 2000
US average: 26.5
from 85.1% in 2009
US average: 68.9%
from 13.6% in 2009
US average: 8.5%
from 0.0% in 2009
US average: 3.2%
from 1.3% in 2009
US average: 15.0%
from 0.0% in 2009
US average: 2.4%
from 0.0% in 2009
US average: 0.4%
from 0.0% in 2009
US average: 8.3%
Section 07
Work & employment from 15.1% in 2011
US average: 5.2%
from 75.2% in 2011
US average: 63.5%
Women 20-64 in the labor force
from 75.0% in 2020
US average: 74.6%
from 7.1% in 2009
US average: 13.1%
from 19.9% in 2009
US average: 42.5%
Section 08
People & community from 4.5% in 2009
US average: 14.1%
from 20.4% in 2009
US average: 6.2%
from 12.4% in 2012
US average: 13.3%
from 30.9% in 2013
US average: 8.4%
from 76.5% in 2017
US average: 91.0%
Computer in household
from 93.0% in 2020
US average: 95.5%
from 71.0% in 2020
US average: 87.7%
from 91.3% in 2016
US average: 77.7%
from 5.5% in 2016
US average: 13.6%
Marital status
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09
Health coverage from 30.9% in 2013
US average: 8.4%
from 60.7% in 2020
US average: 54.8%
Direct-purchase
from 18.5% in 2020
US average: 13.8%
from 22.2% in 2020
US average: 18.4%
from 13.6% in 2020
US average: 20.9%
VA health care
from 2.0% in 2020
US average: 2.2%
Any private
from 67.4% in 2020
US average: 67.1%
Any public
from 33.1% in 2020
US average: 36.7%
Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.
Section 09 · Service history
Veterans Veterans by period of service, 2024
Gulf War (2001 or later) 18.8%(16)
Gulf War (1990s) 38.8%(33)
Share of the 85 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.
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Frequently asked
How many people live in Knollwood, Texas? Knollwood, Texas has about 701 residents according to the 2024 American Community Survey.
What is the median household income in Knollwood, Texas? The typical household in Knollwood, Texas earns about $55,819 a year. Half of households make more than that, and half make less.
Is Knollwood, Texas expensive? In Knollwood, Texas, the typical rent is about $1,316 a month.
How educated are people in Knollwood, Texas? About 20.4% of adults age 25 and over in Knollwood, Texas hold a bachelor's degree or higher.
What is the poverty rate in Knollwood, Texas? About 9.4% of people in Knollwood, Texas live below the federal poverty line.
Has Knollwood, Texas grown since 1990? Yes, Knollwood, Texas has grown since 1990. The population has added about 491 residents, a change of about 234 percent over that period.
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