Parmer County area

Parmer County, Texas covers 885.2 square miles: 880.8 square miles of land and 4.384 square miles of water. Its county seat is Farwell. An estimated 9,678 people lived there in 2025.

Official Census measurements · GEOID 483692026 Gazetteer · retrieved September 27, 2026
Land area880.8 mi²
Water area4.384 mi²
Population (2025)9,678
People per mi²11

County outline

Generalized outline of Parmer 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 Parmer County is located

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

Area breakdown

Land accounts for 99.5% of Parmer County’s measured area and water for 0.5%. Its combined area converts to 2,292.7 square kilometers or approximately 566,532 acres.

Green: land · blue: water

MeasurementSquare milesSquare kilometersAcres
Land880.8222,281.319563,726.1
Water4.38411.3552,805.8
Total885.2062,292.673566,531.8

How Parmer County compares

By original Census land area, Parmer County ranks #169 of 254 in Texas and #908 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.

Its land area is 0.969 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 Parmer County

The Census Bureau estimates that 9,678 people lived in Parmer County on July 1, 2025. That ranks #2,509 of 3,222 county equivalents nationally and #166 of 254 in Texas. Since the April 1, 2020 estimates base of 9,874, the population has declined by 196 (−2%), compared with +8.8% for Texas as a whole.

With 880.8 square miles of land, that is 11 people per square mile (4.2 per km²), placing Parmer County #2,614 nationally for density and #164 in Texas. The median county equivalent has 47 people per square mile; the Texas median is 22. Put another way, there are about 58 acres of land per resident.

Estimated population, 2020–2025 · line scaled to this county’s own range
July 1202020212022202320242025
Estimate9,8569,7889,6429,6269,6339,678
Change—−68−146−16+7+45

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 Parmer County

3 incorporated places lie at least partly in Parmer County. Together they are home to 7,115 people (73.5%); the other 2,563 (26.5%) live outside any incorporated place, in unincorporated communities and rural areas.

The largest is Friona city, with 4,051 residents in the county. The county seat, Farwell city, has 1,387 residents.

Incorporated placePopulation 2025Since 2020Land mi²
Friona city4,051−2.9%1.406
Bovina city1,677−0.7%1.178
Farwell cityCounty seat1,387−2.8%0.817

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

Metropolitan area

Parmer 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

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

7900979035790537932579347

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 Parmer County

Parmer County shares a land border with 5 county equivalents, including 1 in New Mexico. It has more land than 1 of them. The largest neighbor is Deaf Smith County (1,496.8 mi²) and the smallest is Bailey County (827 mi²). Together with its neighbors, Parmer County forms a block of 6,520.8 mi² of land, of which it holds 13.5%.

Map of Parmer County and the 5 county equivalents that border it Castro County, Texas: 894.4 mi² landCurry County, New Mexico: 1,405.5 mi² landDeaf Smith County, Texas: 1,496.8 mi² landBailey County, Texas: 827 mi² landLamb County, Texas: 1,016.2 mi² land
Parmer 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. ParmerCompare
Deaf Smith County1,496.81.7× largerCompare
Curry CountyNew Mexico1,405.51.6× largerCompare
Lamb County1,016.21.2× largerCompare
Castro County894.4about the sameCompare
Bailey County8271.1× smallerCompare

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

Parmer County has less land than any of the 50 states. Rhode Island, the smallest state by land area, has 1,033.9 mi², about 1.2 times as much. Texas’s county land could hold about 297 areas the size of Parmer County.

Land area: Parmer County and the closest-sized states
Parmer County880.8 mi²
Rhode Island1,033.9 mi²

Another way to picture it: the same land area would fill a square about 29.7 miles (47.8 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 Parmer County?

Parmer County has more land than 2,314 of the other 3,221 county equivalents in the dataset.

Land area compared with the typical county equivalent
Parmer County880.8 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 Parmer County at #1,018 nationally by total area, 110 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 0.5%, compared with a national county-equivalent median of 1.2% — 0.7 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 Parmer County in the national ranking. They can be in different states and are not necessarily geographic neighbors.

Land rankCounty equivalentLand mi²Comparison
#907Kleberg County, Texas881.3Compare
#908Parmer County, Texas880.8This county
#909Bee County, Texas880.2Compare

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 34.532163, -102.784853. 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: 2,281,317,980 m²; AWATER: 11,355,762 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 Parmer County?

Parmer County, Texas has 880.8 square miles (2,281.3 km²) of land and 4.384 square miles of water, for a total area of 885.2 square miles. It ranks #908 of 3,222 U.S. county equivalents by land area.

Is Parmer County the largest county in Texas?

No. Parmer County ranks #169 of 254 in Texas by land area. The largest is Brewster County, with 6,183.8 square miles of land.

What counties border Parmer County?

Parmer County shares a land border with Castro County, Curry County, New Mexico, Deaf Smith County, Bailey County, and Lamb County.

What is the population of Parmer County?

The Census Bureau estimates Parmer County had 9,678 residents on July 1, 2025, ranking #2,509 of 3,222 county equivalents. That is 11 people per square mile of land.

What is the county seat of Parmer County?

The county seat of Parmer County is Farwell.

What cities and towns are in Parmer County?

Parmer County has 3 incorporated places. The most populous are Friona city, Bovina city, and Farwell city; 2,563 residents live outside any incorporated place.

Is Parmer County part of a metropolitan area?

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

How many ZIP codes are in Parmer County?

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

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

It has less land than every state. Rhode Island, the smallest, has 1.2 times as much land.

How many acres of land are in Parmer County?

The land measurement converts to approximately 563,726 acres. Including water, total area is approximately 566,532 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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