Yoakum County area

Yoakum County, Texas covers 799.7 square miles: 799.7 square miles of land and 0.013 square miles of water. Its county seat is Plains. An estimated 7,438 people lived there in 2025.

Official Census measurements · GEOID 485012026 Gazetteer · retrieved September 27, 2026
Land area799.7 mi²
Water area0.013 mi²
Population (2025)7,438
People per mi²9.3

County outline

Generalized outline of Yoakum County, Texas
2025 Census cartographic boundary, fitted to this frame. County maps are not at a common scale. The 2026 area measurements below come from the separate Gazetteer release. Map source and limitations.

Where Yoakum County is located

Yoakum County highlighted on a map of all U.S. county equivalents. About the maps

Area breakdown

Land accounts for 100% of Yoakum County’s measured area and water for 0%. Its combined area converts to 2,071.3 square kilometers or approximately 511,826 acres.

Green: land · blue: water

MeasurementSquare milesSquare kilometersAcres
Land799.7152,071.252511,817.6
Water0.0130.0348.3
Total799.7282,071.286511,825.9

How Yoakum County compares

By original Census land area, Yoakum County ranks #196 of 254 in Texas and #1067 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.

Its land area is 0.88 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 Yoakum County

The Census Bureau estimates that 7,438 people lived in Yoakum County on July 1, 2025. That ranks #2,698 of 3,222 county equivalents nationally and #182 of 254 in Texas. Since the April 1, 2020 estimates base of 7,691, the population has declined by 253 (−3.3%), compared with +8.8% for Texas as a whole.

With 799.7 square miles of land, that is 9.3 people per square mile (3.6 per km²), placing Yoakum County #2,666 nationally for density and #173 in Texas. The median county equivalent has 47 people per square mile; the Texas median is 22. Put another way, there are about 69 acres of land per resident.

Estimated population, 2020–2025 · line scaled to this county’s own range
July 1202020212022202320242025
Estimate7,6727,5617,4907,4407,5017,438
Change—−111−71−50+61−63

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 Yoakum County

2 incorporated places lie at least partly in Yoakum County. Together they are home to 5,634 people (75.7%); the other 1,804 (24.3%) live outside any incorporated place, in unincorporated communities and rural areas.

The largest is Denver City town, with 4,311 residents in the county (the city extends into 1 other county). The county seat, Plains town, has 1,323 residents.

Incorporated placePopulation 2025Since 2020Land mi²
Denver City townAlso in 1 other county4,311−3.6%2.609
Plains townCounty seat1,323−2.4%1.498

Population: U.S. Census Bureau Vintage 2025 subcounty estimates, counting only the part of each place inside Yoakum County. Land: 2026 Census Gazetteer, for the whole place even where it extends into other counties. How communities are listed.

Metropolitan area

Yoakum County is not part of any metropolitan or micropolitan statistical area in the Office of Management and Budget’s July 2023 delineation; 1,306 other county equivalents are also outside one. These areas are built around an urban core of at least 10,000 people plus the counties tied to it by commuting, so counties outside them are generally rural.

ZIP codes

4 ZIP Code Tabulation Areas have land in Yoakum County; 2 of them have most of their land inside the county, and the others mainly cover neighboring areas.

79323793557935979376

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 Yoakum County

Yoakum County shares a land border with 4 county equivalents, including 1 in New Mexico. It has more land than 1 of them. The largest neighbor is Lea County (4,391.6 mi²) and the smallest is Cochran County (775.1 mi²). Together with its neighbors, Yoakum County forms a block of 8,357.6 mi² of land, of which it holds 9.6%.

Map of Yoakum County and the 4 county equivalents that border it Lea County, New Mexico: 4,391.6 mi² landTerry County, Texas: 888.9 mi² landGaines County, Texas: 1,502.4 mi² landCochran County, Texas: 775.1 mi² land
Yoakum County (dark) and its bordering county equivalents. Select a neighbor to open its profile. Drawn from the 2025 Census cartographic boundaries in an equal-area projection. How borders are determined.
Bordering county equivalentLand mi²Size vs. YoakumCompare
Lea CountyNew Mexico4,391.65.5× largerCompare
Gaines County1,502.41.9× largerCompare
Terry County888.91.1× largerCompare
Cochran County775.1about the sameCompare

How big is Yoakum County compared with U.S. states?

Yoakum County has less land than any of the 50 states. Rhode Island, the smallest state by land area, has 1,033.9 mi², about 1.3 times as much. Texas’s county land could hold about 327 areas the size of Yoakum County.

Land area: Yoakum County and the closest-sized states
Yoakum County799.7 mi²
Rhode Island1,033.9 mi²

Another way to picture it: the same land area would fill a square about 28.3 miles (45.5 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 Yoakum County?

Yoakum County has more land than 2,155 of the other 3,221 county equivalents in the dataset.

Land area compared with the typical county equivalent
Yoakum County799.7 mi²
Texas median908.7 mi²
National median604.5 mi²

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 Yoakum County at #1,183 nationally by total area, 116 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 0%, compared with a national county-equivalent median of 1.2% — 1.2 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 Yoakum County in the national ranking. They can be in different states and are not necessarily geographic neighbors.

Land rankCounty equivalentLand mi²Comparison
#1066Lawrence County, South Dakota800.1Compare
#1067Yoakum County, Texas799.7This county
#1068Burlington County, New Jersey799.3Compare

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 33.162339, -102.832241. 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: 2,071,252,463 m²; AWATER: 34,329 m². Rankings use ALAND; exact ties use ascending GEOID. Tables preserve Census-published square miles to three decimals, with conversions based on those values.

Download the official county source ZIP ↗ · Methodology

Common questions

How big is Yoakum County?

Yoakum County, Texas has 799.7 square miles (2,071.3 km²) of land and 0.013 square miles of water, for a total area of 799.7 square miles. It ranks #1067 of 3,222 U.S. county equivalents by land area.

Is Yoakum County the largest county in Texas?

No. Yoakum County ranks #196 of 254 in Texas by land area. The largest is Brewster County, with 6,183.8 square miles of land.

What counties border Yoakum County?

Yoakum County shares a land border with Lea County, New Mexico, Terry County, Gaines County, and Cochran County.

What is the population of Yoakum County?

The Census Bureau estimates Yoakum County had 7,438 residents on July 1, 2025, ranking #2,698 of 3,222 county equivalents. That is 9.3 people per square mile of land.

What is the county seat of Yoakum County?

The county seat of Yoakum County is Plains.

What cities and towns are in Yoakum County?

Yoakum County has 2 incorporated places. The most populous are Denver City town and Plains town; 1,804 residents live outside any incorporated place.

Is Yoakum County part of a metropolitan area?

No. Yoakum County is outside every metropolitan and micropolitan statistical area in the July 2023 OMB delineation.

How many ZIP codes are in Yoakum County?

4 ZIP Code Tabulation Areas have land in Yoakum County, and 2 of them have most of their land inside the county. Census ZIP Code Tabulation Areas approximate USPS ZIP Code areas.

How does Yoakum County compare with U.S. states?

It has less land than every state. Rhode Island, the smallest, has 1.3 times as much land.

How many acres of land are in Yoakum County?

The land measurement converts to approximately 511,818 acres. Including water, total area is approximately 511,826 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.

Cite this county

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