County outline
Where Randall County is located
Area breakdown
Land accounts for 98.9% of Randall County’s measured area and water for 1.1%. Its combined area converts to 2,389.1 square kilometers or approximately 590,363 acres.
Green: land · blue: water
| Measurement | Square miles | Square kilometers | Acres |
|---|---|---|---|
| Land | 912.711 | 2,363.911 | 584,135 |
| Water | 9.731 | 25.203 | 6,227.8 |
| Total | 922.442 | 2,389.114 | 590,362.9 |
How Randall County compares
By original Census land area, Randall County ranks #119 of 254 in Texas and #814 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.
Its land area is 1.004 times the Texas county-equivalent median of 908.7 square miles. It accounts for 0.3% of the combined county land area in the state.
See the complete Texas ranking · What counts as a county equivalent?
Population and density of Randall County
The Census Bureau estimates that 152,351 people lived in Randall County on July 1, 2025. That ranks #465 of 3,222 county equivalents nationally and #34 of 254 in Texas. Since the April 1, 2020 estimates base of 140,670, the population has grown by 11,681 (+8.3%), compared with +8.8% for Texas as a whole.
With 912.7 square miles of land, that is 167 people per square mile (64 per km²), placing Randall County #718 nationally for density and #37 in Texas. The median county equivalent has 47 people per square mile; the Texas median is 22. Put another way, there are about 3.8 acres of land per resident.
| July 1 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|---|
| Estimate | 141,255 | 143,984 | 146,088 | 147,993 | 150,283 | 152,351 |
| Change | — | +2,729 | +2,104 | +1,905 | +2,290 | +2,068 |
U.S. Census Bureau, Vintage 2025 population estimates. Estimates are revised each year and are not decennial census counts. Density divides the whole population by the whole county’s land area, so it describes an average, not how settlement is distributed within the county. Population sources and methods.
Cities and towns in Randall County
6 incorporated places lie at least partly in Randall County. Together they are home to 124,701 people (81.9%); the other 27,650 (18.1%) live outside any incorporated place, in unincorporated communities and rural areas.
The largest is Amarillo city, with 106,621 residents in the county (the city extends into 1 other county). The county seat, Canyon city, has 16,518 residents. Among places with at least 1,000 residents in 2020, Canyon city grew fastest since then (+11.3%).
| Incorporated place | Population 2025 | Since 2020 | Land mi² |
|---|---|---|---|
| Amarillo cityAlso in 1 other county | 106,621 | +8% | 106.1 |
| Canyon cityCounty seat | 16,518 | +11.3% | 8.076 |
| Lake Tanglewood village | 734 | +7.3% | 1.124 |
| Timbercreek Canyon village | 476 | +10.2% | 1.907 |
| Palisades village | 295 | +8.5% | 0.561 |
| Happy townAlso in 1 other county | 57 | +9.6% | 1.061 |
Population: U.S. Census Bureau Vintage 2025 subcounty estimates, counting only the part of each place inside Randall County. Land: 2026 Census Gazetteer, for the whole place even where it extends into other counties. How communities are listed.
Metropolitan area
Randall County is a central county of the Amarillo, TX Metropolitan Statistical Area. Its 5 county equivalents have 276,235 residents on 5,151 square miles of land; Randall County accounts for 17.7% of the land and 55.2% of the residents. By combined land it ranks #49 of 393 metropolitan areas, and #186 by population. It belongs to the Amarillo-Borger, TX Combined Statistical Area.
| County equivalent | Population 2025 | Land mi² |
|---|---|---|
| Randall County | 152,351 | 912.7 |
| Potter County | 114,453 | 908.4 |
| Carson County | 5,805 | 920.2 |
| Armstrong County | 1,843 | 909.1 |
| Oldham County | 1,783 | 1,500.5 |
ZIP codes
15 ZIP Code Tabulation Areas have land in Randall County; 9 of them have most of their land inside the county, and the others mainly cover neighboring areas.
790127901579016790197904279091790987910379106791097911079118791197912179124
ZIP Code Tabulation Areas are the Census Bureau’s approximations of USPS ZIP Code service areas, from the 2020 Census relationship files. Lighter codes have less than half of their land in this county. Post-office-box and single-address ZIP Codes have no tabulation area.
Counties bordering Randall County
Randall County shares a land border with 5 county equivalents. It has more land than 4 of them. The largest neighbor is Deaf Smith County (1,496.8 mi²) and the smallest is Swisher County (890.2 mi²). Together with its neighbors, Randall County forms a block of 6,011.7 mi² of land, of which it holds 15.2%.
| Bordering county equivalent | Land mi² | Size vs. Randall | Compare |
|---|---|---|---|
| Deaf Smith County | 1,496.8 | 1.6× larger | Compare |
| Armstrong County | 909.1 | about the same | Compare |
| Potter County | 908.4 | about the same | Compare |
| Castro County | 894.4 | about the same | Compare |
| Swisher County | 890.2 | about the same | Compare |
How big is Randall County compared with U.S. states?
Randall County has less land than any of the 50 states. Rhode Island, the smallest state by land area, has 1,033.9 mi², about 1.1 times as much. Texas’s county land could hold about 286 areas the size of Randall County.
Another way to picture it: the same land area would fill a square about 30.2 miles (48.6 km) on each side. Real county shapes are rarely square, so this is a scale reference rather than a width or driving distance.
State figures are the sums of each state’s county-equivalent land measurements in the same Census release, so states and counties are compared on the same basis. Published state totals can differ slightly because of rounding. Compare all states · Counties bigger than entire states.
What stands out about Randall County?
Randall County has more land than 2,408 of the other 3,221 county equivalents in the dataset.
A median is the middle county-equivalent measurement, not the average of the largest and smallest. All three bars use the same linear scale. Very small areas may appear as a thin sliver; the labels retain their values.
Does including water change its rank?
Using land plus water places Randall County at #896 nationally by total area, 82 places farther from the top than its land rank. Other county equivalents gain more area when their water measurements are included.
Its water share is 1.1%, compared with a national county-equivalent median of 1.2% — 0.1 percentage points lower. This describes the statistical geography’s land/water mix, not flood exposure or developable land.
Closest positions in the national land ranking
These entries sit immediately beside Randall County in the national ranking. They can be in different states and are not necessarily geographic neighbors.
| Land rank | County equivalent | Land mi² | Comparison |
|---|---|---|---|
| #813 | Choctaw County, Alabama | 913.5 | Compare |
| #814 | Randall County, Texas | 912.7 | This county |
| #815 | Throckmorton County, Texas | 912.6 | Compare |
Calculated from the same Census release as the area table. Total-area order uses original ALAND + AWATER; water shares and chart labels use published square miles. Calculation details.
Representative coordinates
The Census internal point is 34.962529, -101.895547. It represents a location inside the geography; it is not necessarily the centroid or the address of a courthouse.
Source and precision
U.S. Census Bureau, 2026 Gazetteer Files, Counties. Original ALAND: 2,363,909,937 m²; AWATER: 25,202,436 m². Rankings use ALAND; exact ties use ascending GEOID. Tables preserve Census-published square miles to three decimals, with conversions based on those values.
Common questions
How big is Randall County?
Randall County, Texas has 912.7 square miles (2,363.9 km²) of land and 9.731 square miles of water, for a total area of 922.4 square miles. It ranks #814 of 3,222 U.S. county equivalents by land area.
Is Randall County the largest county in Texas?
No. Randall County ranks #119 of 254 in Texas by land area. The largest is Brewster County, with 6,183.8 square miles of land.
What counties border Randall County?
Randall County shares a land border with Armstrong County, Deaf Smith County, Potter County, Swisher County, and Castro County.
What is the population of Randall County?
The Census Bureau estimates Randall County had 152,351 residents on July 1, 2025, ranking #465 of 3,222 county equivalents. That is 167 people per square mile of land.
What is the county seat of Randall County?
The county seat of Randall County is Canyon.
What cities and towns are in Randall County?
Randall County has 6 incorporated places. The most populous five are Amarillo city, Canyon city, Lake Tanglewood village, Timbercreek Canyon village, and Palisades village; 27,650 residents live outside any incorporated place.
Is Randall County part of a metropolitan area?
Yes. It is a central county of the Amarillo, TX Metropolitan Statistical Area, which has 5 county equivalents and 276,235 residents.
How many ZIP codes are in Randall County?
15 ZIP Code Tabulation Areas have land in Randall County, and 9 of them have most of their land inside the county. Census ZIP Code Tabulation Areas approximate USPS ZIP Code areas.
How does Randall County compare with U.S. states?
It has less land than every state. Rhode Island, the smallest, has 1.1 times as much land.
How many acres of land are in Randall County?
The land measurement converts to approximately 584,135 acres. Including water, total area is approximately 590,363 acres. One square mile equals 640 acres.
Why might another source show a different area?
Check whether it reports land or total area, its Census vintage, and its rounding. Our guide explains how to reconcile county area figures.
Can this establish a property boundary?
No. Statistical measurements and generalized maps do not establish property lines. Consult the relevant local surveying or land-records authority.