Jeff Davis County area

Population and density of Jeff Davis County

The Census Bureau estimates that 1,711 people lived in Jeff Davis County on July 1, 2025. That ranks #3,142 of 3,222 county equivalents nationally and #235 of 254 in Texas. Since the April 1, 2020 estimates base of 1,999, the population has declined by 288 (−14.4%), compared with +8.8% for Texas as a whole.

With 2,264.6 square miles of land, that is 0.76 people per square mile (0.29 per km²), placing Jeff Davis County #3,172 nationally for density and #244 in Texas. The median county equivalent has 47 people per square mile; the Texas median is 22. Put another way, there are about 847 acres of land per resident.

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 Jeff Davis County

1 incorporated place lies at least partly in Jeff Davis County. Together they are home to 61 people (3.6%); the other 1,650 (96.4%) live outside any incorporated place, in unincorporated communities and rural areas.

The largest is Valentine town, with 61 residents in the county.

Metropolitan area

Jeff Davis 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

2 ZIP Code Tabulation Areas have land in Jeff Davis County, and each lies mostly inside the county.

7973479854

ZIP Code Tabulation Areas are the Census Bureau’s approximations of USPS ZIP Code service areas, from the 2020 Census relationship files. Post-office-box and single-address ZIP Codes have no tabulation area.

Counties bordering Jeff Davis County

Jeff Davis County shares a land border with 6 county equivalents. Each of them has more land than Jeff Davis County. The largest neighbor is Brewster County (6,183.8 mi²) and the smallest is Reeves County (2,635.4 mi²). Together with its neighbors, Jeff Davis County forms a block of 28,085.4 mi² of land, of which it holds 8.1%.

How big is Jeff Davis County compared with U.S. states?

Jeff Davis County has more land than 2 of the 50 states. It is about 1.2 times the land area of Delaware (1,948.6 mi²), while Connecticut, the next larger state, has 2.1 times as much land (4,842.5 mi²). Texas’s county land could hold about 115 areas the size of Jeff Davis County.

Another way to picture it: the same land area would fill a square about 47.6 miles (76.6 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 Jeff Davis County?

Jeff Davis County has more land than 2,976 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 Jeff Davis County at #274 nationally by total area, 28 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 Jeff Davis County in the national ranking. They can be in different states and are not necessarily geographic neighbors.

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.