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Demographics of Collin County, Texas

Collin County, Texas had 1,297,179 people on July 1, 2025, by the Census Bureau’s estimate: +221,667 since July 2020. Age, income, poverty, housing and origin below come from the American Community Survey, averaged over 2020–2024, each with its margin of error.

Collin County, in four figures

1,297,179
Population
July 1, 2025, Vintage 2025 estimate.
+20.6%
Change since July 2020
+221,667 people.
37.3 ±0.1
Median age
ACS 2020–⁠2024.
$121,600 ±$1,883
Median household income
ACS 2020–⁠2024, in 2024 dollars.

Population, year by year

July 1 estimates from the Census Bureau’s Vintage 2025. Each year's change is births less deaths, net moves from abroad and net moves from elsewhere in the country, with the Bureau's small residual. The 2020 row's components run 3 months, from the April census to July 1.

Collin County, Texas's population grew 20.6% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Collin County, Texas's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).

U.S. Census Bureau — Census Bureau population estimates — counties and Puerto Rico municipios, with components of change

About this chart

The figures

Collin County, Texas's population grew 20.6% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Collin County, Texas's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).
July 1PopulationIndexUnited States
20201,075,512100.0100.0
20211,114,667103.6100.2
20221,163,646108.2100.7
20231,207,386112.3101.6
20241,254,213116.6102.5
20251,297,179120.6103.1

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Population of Collin County, Texas on July 1 of each year, Vintage 2025
July 1PopulationChange
20201,075,512+9,311
20211,114,667+39,155
20221,163,646+48,979
20231,207,386+43,740
20241,254,213+46,827
20251,297,179+42,966

Age, 2020–2024

The median age is 37.3 ±0.1: for men 36.8 ±0.2 and for women 37.8 ±0.2. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Collin County by age, ACS 2020–2024
AgePeopleShare
Under 567,334 ±695.8% ±<0.1
5 to 17220,250 ±3,33218.9% ±0.3
18 to 24100,653 ±1,9268.7% ±0.2
25 to 44338,054 ±2,90229.1% ±0.2
45 to 64302,332 ±2,24726.0% ±0.2
65 and over134,714 ±2,60811.6% ±0.2

Income and poverty, 2020–2024

Median household income is $121,600 ±$1,883, and income per person $57,056 ±$728, in 2024 dollars. The median is $78,476 ±$263 in Texas and $80,734 ±$166 in the United States.

Households by income

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Households in Collin County by income, ACS 2020–2024
Household incomeHouseholdsShare
Under $25,00030,430 ±1,7267.3% ±0.4
$25,000 to $49,99942,623 ±1,98310.2% ±0.5
$50,000 to $74,99949,821 ±2,31812.0% ±0.6
$75,000 to $99,99948,775 ±2,07511.7% ±0.5
$100,000 to $149,99980,093 ±2,51719.2% ±0.6
$150,000 to $199,99958,734 ±2,15414.1% ±0.5
$200,000 or more106,170 ±2,86025.5% ±0.7

Poverty by age

The poverty rate is the share of people whose family income is below the federal threshold for their family’s size, of everyone for whom the Bureau determines it (B17020).

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Poverty rate in Collin County by age, ACS 2020–2024
AgeBelow povertyRate
All ages71,971 ±4,0976.2% ±0.4
Under 1819,988 ±1,6537.0% ±0.6
18 to 5938,786 ±2,2745.7% ±0.3
60 and over13,197 ±1,1986.9% ±0.6

Housing, 2020–2024

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Housing in Collin County, ACS 2020–2024
MeasureCollin CountyTexas
Housing units437,396 ±14412,128,515 ±1,574
Occupied95.3% ±0.390.6% ±0.1
Vacant4.7% ±0.39.4% ±0.1
Owner occupied64.5% ±0.562.6% ±0.3
Renter occupied35.5% ±0.537.4% ±0.2
Median home value$475,600 ±$3,261$283,800 ±$738
Median gross rent$1,859 ±$15$1,403 ±$4
Median year built2003 ±11992 ±1

Occupied and vacant are shares of all housing units; owner and renter occupied are shares of occupied units. Value and rent are medians in 2024 dollars.

Origin and place of birth, 2020–2024

Hispanic or Latino origin is not a race in the Census Bureau’s tables. Here the people of Hispanic origin, of any race, are one row, and everyone else is counted by race alone (B03002), so the rows add to the whole.

Hispanic origin and race

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People in Collin County by Hispanic origin and race, ACS 2020–2024
OriginPeopleShare
Hispanic or Latino187,150 ±016.1% ±<0.1
White alone, not Hispanic576,632 ±1,73749.6% ±0.1
Black alone, not Hispanic125,634 ±2,03010.8% ±0.2
Asian alone, not Hispanic217,824 ±1,75718.7% ±0.2
American Indian and Alaska Native alone, not Hispanic1,838 ±3310.2% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic579 ±170< 0.1% ±<0.1
Some other race alone, not Hispanic7,038 ±1,2640.6% ±0.1
Two or more races, not Hispanic46,642 ±3,1224.0% ±0.3

Place of birth and citizenship

“Born a citizen outside the states” counts people born in Puerto Rico, the island areas, or abroad to American parents. Naturalized citizens and those who are not citizens together make up the people born abroad (B05002).

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People in Collin County by place of birth and citizenship, ACS 2020–2024
BornPeopleShare
Born in the state486,034 ±7,26741.8% ±0.6
Born in another state385,581 ±6,45633.1% ±0.6
Born a citizen outside the states20,240 ±1,6771.7% ±0.1
Born abroad271,482 ±5,47123.3% ±0.5
Naturalized citizens137,208 ±3,32111.8% ±0.3
Not citizens134,274 ±5,77711.5% ±0.5

Collin County among the counties of Texas

6th of 254 by population, July 2025. Every one is listed on the Texas page.

Counties of Texas near Collin County in population, July 2025
CountyJuly 2025Change since 2020
Harris County5,045,026+6.6%
Dallas County2,661,397+1.9%
Tarrant County2,248,466+6.3%
Bexar County2,160,088+7.2%
Travis County1,389,670+7.2%
Collin County1,297,179+20.6%
Denton County1,069,346+16.9%
Fort Bend County975,191+17.4%
Hidalgo County921,549+5.6%
El Paso County877,858+1.3%
Montgomery County781,194+24.9%

Elsewhere on the site

Sources

Data retrieved