County outline
Where Orange County is located
Area breakdown
Land accounts for 88% of Orange County’s measured area and water for 12%. Its combined area converts to 982.9 square kilometers or approximately 242,870 acres.
Green: land · blue: water
| Measurement | Square miles | Square kilometers | Acres |
|---|---|---|---|
| Land | 333.799 | 864.535 | 213,631.4 |
| Water | 45.686 | 118.326 | 29,239 |
| Total | 379.485 | 982.862 | 242,870.4 |
How Orange County compares
By original Census land area, Orange County ranks #245 of 254 in Texas and #2731 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.
Its land area is 0.367 times the Texas county-equivalent median of 908.7 square miles. It accounts for 0.1% of the combined county land area in the state.
See the complete Texas ranking · What counts as a county equivalent?
Population and density of Orange County
The Census Bureau estimates that 86,266 people lived in Orange County on July 1, 2025. That ranks #695 of 3,222 county equivalents nationally and #48 of 254 in Texas. Since the April 1, 2020 estimates base of 84,812, the population has grown by 1,454 (+1.7%), compared with +8.8% for Texas as a whole.
With 333.8 square miles of land, that is 258 people per square mile (100 per km²), placing Orange County #561 nationally for density and #30 in Texas. The median county equivalent has 47 people per square mile; the Texas median is 22. Put another way, there are about 2.5 acres of land per resident.
| July 1 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|---|
| Estimate | 84,759 | 84,691 | 85,103 | 85,705 | 85,969 | 86,266 |
| Change | — | −68 | +412 | +602 | +264 | +297 |
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 Orange County
8 incorporated places lie at least partly in Orange County. Together they are home to 45,191 people (52.4%); the other 41,075 (47.6%) live outside any incorporated place, in unincorporated communities and rural areas.
The largest is Orange city, with 19,419 residents in the county. By land, Port Arthur city is the largest at 75.6 mi² across all its counties. Among places with at least 1,000 residents in 2020, Bridge City city grew fastest since then (+2.5%).
| Incorporated place | Population 2025 | Since 2020 | Land mi² |
|---|---|---|---|
| Orange cityCounty seat | 19,419 | +0.6% | 21.3 |
| Bridge City city | 9,645 | +2.5% | 6.269 |
| Vidor city | 9,597 | −1.6% | 12 |
| West Orange city | 3,391 | −2% | 3.401 |
| Pinehurst city | 2,206 | −1.3% | 1.708 |
| Pine Forest city | 504 | +1% | 2.816 |
| Rose City city | 344 | +5.5% | 1.516 |
| Port Arthur cityAlso in 1 other county | 85 | +2.4% | 75.6 |
Population: U.S. Census Bureau Vintage 2025 subcounty estimates, counting only the part of each place inside Orange County. Land: 2026 Census Gazetteer, for the whole place even where it extends into other counties. How communities are listed.
Metropolitan area
Orange County is an outlying county of the Beaumont-Port Arthur, TX Metropolitan Statistical Area. Its 3 county equivalents have 399,310 residents on 2,101.1 square miles of land; Orange County accounts for 15.9% of the land and 21.6% of the residents. By combined land it ranks #150 of 393 metropolitan areas, and #142 by population.
| County equivalent | Population 2025 | Land mi² |
|---|---|---|
| Jefferson County | 254,321 | 876.7 |
| Orange County | 86,266 | 333.8 |
| Hardin County | 58,723 | 890.6 |
ZIP codes
4 ZIP Code Tabulation Areas have land in Orange County, and each lies mostly inside the county.
77611776307763277662
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 Orange County
Orange County shares a land border with 6 county equivalents, including 2 in Louisiana. Each of them has more land than Orange County. The largest neighbor is Cameron Parish (1,290.7 mi²) and the smallest is Jefferson County (876.7 mi²). Together with its neighbors, Orange County forms a block of 6,328.3 mi² of land, of which it holds 5.3%.
| Bordering county equivalent | Land mi² | Size vs. Orange | Compare |
|---|---|---|---|
| Cameron ParishLouisiana | 1,290.7 | 3.9× larger | Compare |
| Calcasieu ParishLouisiana | 1,064.2 | 3.2× larger | Compare |
| Jasper County | 938.7 | 2.8× larger | Compare |
| Newton County | 933.7 | 2.8× larger | Compare |
| Hardin County | 890.6 | 2.7× larger | Compare |
| Jefferson County | 876.7 | 2.6× larger | Compare |
How big is Orange County compared with U.S. states?
Orange County has less land than any of the 50 states. Rhode Island, the smallest state by land area, has 1,033.9 mi², about 3.1 times as much. Texas’s county land could hold about 783 areas the size of Orange County.
Another way to picture it: the same land area would fill a square about 18.3 miles (29.4 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 Orange County?
Orange County has more land than 491 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 Orange County at #2,661 nationally by total area, 70 places closer to the top than its land rank. The water assigned to this geography moves it ahead of some county equivalents with more land.
Its water share is 12%, compared with a national county-equivalent median of 1.2% — 10.9 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 Orange County in the national ranking. They can be in different states and are not necessarily geographic neighbors.
| Land rank | County equivalent | Land mi² | Comparison |
|---|---|---|---|
| #2730 | Decatur County, Tennessee | 333.9 | Compare |
| #2731 | Orange County, Texas | 333.8 | This county |
| #2732 | Lincoln County, Kentucky | 332.9 | 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 30.118050, -93.892350. 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: 864,535,303 m²; AWATER: 118,326,039 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 Orange County?
Orange County, Texas has 333.8 square miles (864.5 km²) of land and 45.7 square miles of water, for a total area of 379.5 square miles. It ranks #2731 of 3,222 U.S. county equivalents by land area.
Is Orange County the largest county in Texas?
No. Orange County ranks #245 of 254 in Texas by land area. The largest is Brewster County, with 6,183.8 square miles of land.
What counties border Orange County?
Orange County shares a land border with Jefferson County, Cameron Parish, Louisiana, Calcasieu Parish, Louisiana, Jasper County, Newton County, and Hardin County.
What is the population of Orange County?
The Census Bureau estimates Orange County had 86,266 residents on July 1, 2025, ranking #695 of 3,222 county equivalents. That is 258 people per square mile of land.
What is the county seat of Orange County?
The county seat of Orange County is Orange.
What cities and towns are in Orange County?
Orange County has 8 incorporated places. The most populous five are Orange city, Bridge City city, Vidor city, West Orange city, and Pinehurst city; 41,075 residents live outside any incorporated place.
Is Orange County part of a metropolitan area?
Yes. It is an outlying county of the Beaumont-Port Arthur, TX Metropolitan Statistical Area, which has 3 county equivalents and 399,310 residents.
How many ZIP codes are in Orange County?
4 ZIP Code Tabulation Areas have land in Orange 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 Orange County compare with U.S. states?
It has less land than every state. Rhode Island, the smallest, has 3.1 times as much land.
How many acres of land are in Orange County?
The land measurement converts to approximately 213,631 acres. Including water, total area is approximately 242,870 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.