Knollwood, Texas Demographics & Population 2026
During the 2020–2024 ACS period, Knollwood, Texas had a total population of 701, the 1148th largest city in Texas, with a median household income of $55,819, which is 29% lower than the state average. The poverty rate is 9.3%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Knollwood Quick Facts
How Knollwood Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 488 | 701 | +43.6% |
| Median household income | $61,250 | $55,819 | -8.9% |
How Knollwood Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
Moderate diversity with one or two groups making up the majority.
State average: 67 | National average: 61
Education
Educational Attainment (Adults 25+)
Knollwood Rankings in Texas
Explore Texas Rankings
Other Cities in Grayson County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Sherman | 46,397 | $58,859 | 12.7% | $243,500 |
| Denison | 25,778 | $67,365 | 15.0% | $180,900 |
| Whitesboro | 4,173 | $70,134 | 16.5% | $249,800 |
| Howe | 3,689 | $51,108 | 24.3% | $201,300 |
| Pottsboro | 2,691 | $69,439 | 10.4% | $280,000 |
| Bells | 2,497 | $92,075 | 11.8% | $232,400 |
| Gunter | 2,398 | $120,000 | 2.5% | $547,600 |
| Collinsville | 2,060 | $60,417 | 11.5% | $241,700 |
| Preston | 1,747 | $65,069 | 6.7% | $184,000 |
| Whitewright | 1,659 | $57,692 | 16.8% | $242,000 |
Cities Similar to Knollwood
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Wickett | 699 | $57,109 | $84,700 | 8.4% | 4.2% |
| Hilltop (Frio County) | 688 | N/A | N/A | 0.0% | 51.6% |
| Leakey | 721 | N/A | $95,600 | 24.3% | 24.1% |
| Newcastle | 716 | $58,333 | $49,400 | 13.3% | 10.3% |
| Petersburg | 699 | $51,250 | $72,700 | 10.4% | 18.7% |
A note before these figures: with a population of 701, Knollwood's ACS estimates come from a small number of survey responses and carry wide margins of error. Individual percentages below — particularly rates that round to 0% or 100% — are approximations, not precise measurements. See data.census.gov for the published margins of error.
Population Overview
Knollwood is a small community located in Texas, within Grayson County. The total population is 701. It ranks as the 1148th most populous out of 1,795 Census-designated places in Texas.
Age Demographics
The median age in Knollwood is 31.8 years. This is 11% lower than the state median of 35.6 years.
Economy, Income & Housing
The median household income in Knollwood is $55,819. This is 29% lower than the state median of $78,476. It is also 31% lower than the national median of $80,734. The poverty rate stands at 9.3%. This is 32% lower than the state poverty rate of 13.8%. The unemployment rate is 6.9%. This is 31% higher than the state rate of 5.3%. 31.2% of occupied housing units are owner-occupied. This homeownership rate is 50% lower than the state average of 62.6%.
Race & Ethnicity
The largest racial or ethnic group in Knollwood is White (non-Hispanic), making up 67.0% of the population. Hispanic or Latino residents account for 8.7%. The White (non-Hispanic) population is significantly higher than the state average (67.0% vs 39.1%). The Black or African American population (4.1%) is well below the state average of 11.9%. The Hispanic or Latino population (8.7%) is well below the state average of 39.7%.
Education
20.4% of residents aged 25 and older hold a bachelor's degree or higher. This is 40% lower than the state rate of 33.8%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 96.9%.
Data Sources & Methodology
All demographic data for Knollwood, Texas is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against Texas state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,795 Census-designated places in Texas. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.
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Frequently Asked Questions
What is the population of Knollwood, Texas?
Knollwood, Texas has a population of 701 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Knollwood, TX?
The median household income in Knollwood is $55,819, which is 31% lower than the national median of $80,734.
What is the poverty rate in Knollwood, TX?
The poverty rate in Knollwood is 9.3%. This means approximately 65 residents live below the federal poverty line.
What is the racial makeup of Knollwood, Texas?
Knollwood's population is 67.0% White, 4.1% Black, 8.7% Hispanic/Latino, and 6.1% Asian.
What is the median home value in Knollwood, TX?
The Census Bureau does not publish a reliable median home value estimate for Knollwood — there are too few owner-occupied homes in the ACS sample. The national median is $332,700.
How educated is Knollwood, Texas?
20.4% of adults (25+) in Knollwood hold a bachelor's degree or higher, and 9.1% hold a graduate or professional degree.