County outline
Where Baylor County is located
Area breakdown
Land accounts for 96.3% of Baylor County’s measured area and water for 3.7%. Its combined area converts to 2,333.8 square kilometers or approximately 576,684 acres.
Green: land · blue: water
| Measurement | Square miles | Square kilometers | Acres |
|---|---|---|---|
| Land | 867.481 | 2,246.765 | 555,187.8 |
| Water | 33.588 | 86.993 | 21,496.3 |
| Total | 901.069 | 2,333.758 | 576,684.2 |
How Baylor County compares
By original Census land area, Baylor County ranks #178 of 254 in Texas and #946 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.
Its land area is 0.955 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 Baylor County
The Census Bureau estimates that 3,472 people lived in Baylor County on July 1, 2025. That ranks #3,000 of 3,222 county equivalents nationally and #211 of 254 in Texas. Since the April 1, 2020 estimates base of 3,465, the population has grown by 7 (+0.2%), compared with +8.8% for Texas as a whole.
With 867.5 square miles of land, that is 4 people per square mile (1.5 per km²), placing Baylor County #2,904 nationally for density and #206 in Texas. The median county equivalent has 47 people per square mile; the Texas median is 22. Put another way, there are about 160 acres of land per resident.
| July 1 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|---|
| Estimate | 3,461 | 3,456 | 3,466 | 3,482 | 3,482 | 3,472 |
| Change | — | −5 | +10 | +16 | 0 | −10 |
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 Baylor County
1 incorporated place lies at least partly in Baylor County. Together they are home to 2,574 people (74.1%); the other 898 (25.9%) live outside any incorporated place, in unincorporated communities and rural areas.
The largest is Seymour city, with 2,574 residents in the county.
Metropolitan area
Baylor 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 Baylor County; 1 of them have most of their land inside the county, and the others mainly cover neighboring areas.
7636076380
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 Baylor County
Baylor County shares a land border with 5 county equivalents. It has more land than 2 of them. The largest neighbor is Wilbarger County (970.9 mi²) and the smallest is Foard County (704.4 mi²). Together with its neighbors, Baylor County forms a block of 5,209.3 mi² of land, of which it holds 16.7%.
| Bordering county equivalent | Land mi² | Size vs. Baylor | Compare |
|---|---|---|---|
| Wilbarger County | 970.9 | 1.1× larger | Compare |
| Throckmorton County | 912.6 | 1.1× larger | Compare |
| Archer County | 903.3 | about the same | Compare |
| Knox County | 850.6 | about the same | Compare |
| Foard County | 704.4 | 1.2× smaller | Compare |
How big is Baylor County compared with U.S. states?
Baylor 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 301 areas the size of Baylor County.
Another way to picture it: the same land area would fill a square about 29.5 miles (47.4 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 Baylor County?
Baylor County has more land than 2,276 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 Baylor County at #970 nationally by total area, 24 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 3.7%, compared with a national county-equivalent median of 1.2% — 2.6 percentage points higher. 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 Baylor County in the national ranking. They can be in different states and are not necessarily geographic neighbors.
| Land rank | County equivalent | Land mi² | Comparison |
|---|---|---|---|
| #945 | Kennebec County, Maine | 867.5 | Compare |
| #946 | Baylor County, Texas | 867.5 | This county |
| #947 | Oakland County, Michigan | 867.4 | 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 33.618768, -99.208285. 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: 2,246,764,164 m²; AWATER: 86,991,451 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 Baylor County?
Baylor County, Texas has 867.5 square miles (2,246.8 km²) of land and 33.6 square miles of water, for a total area of 901.1 square miles. It ranks #946 of 3,222 U.S. county equivalents by land area.
Is Baylor County the largest county in Texas?
No. Baylor County ranks #178 of 254 in Texas by land area. The largest is Brewster County, with 6,183.8 square miles of land.
What counties border Baylor County?
Baylor County shares a land border with Archer County, Throckmorton County, Wilbarger County, Knox County, and Foard County.
What is the population of Baylor County?
The Census Bureau estimates Baylor County had 3,472 residents on July 1, 2025, ranking #3,000 of 3,222 county equivalents. That is 4 people per square mile of land.
What is the county seat of Baylor County?
The county seat of Baylor County is Seymour.
Is Baylor County part of a metropolitan area?
No. Baylor County is outside every metropolitan and micropolitan statistical area in the July 2023 OMB delineation.
How many ZIP codes are in Baylor County?
2 ZIP Code Tabulation Areas have land in Baylor County, and 1 of them have most of their land inside the county. Census ZIP Code Tabulation Areas approximate USPS ZIP Code areas.
How does Baylor 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 Baylor County?
The land measurement converts to approximately 555,188 acres. Including water, total area is approximately 576,684 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.