County outline
Where Catahoula Parish is located
Area breakdown
Land accounts for 95.9% of Catahoula Parish’s measured area and water for 4.1%. Its combined area converts to 1,915.1 square kilometers or approximately 473,240 acres.
Green: land · blue: water
| Measurement | Square miles | Square kilometers | Acres |
|---|---|---|---|
| Land | 709.252 | 1,836.954 | 453,921.3 |
| Water | 30.185 | 78.179 | 19,318.4 |
| Total | 739.437 | 1,915.133 | 473,239.7 |
How Catahoula Parish compares
By original Census land area, Catahoula Parish ranks #26 of 64 in Louisiana and #1297 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.
Its land area is 1.098 times the Louisiana county-equivalent median of 645.9 square miles. It accounts for 1.6% of the combined county land area in the state.
See the complete Louisiana ranking · What counts as a county equivalent?
Population and density of Catahoula Parish
The Census Bureau estimates that 8,223 people lived in Catahoula Parish on July 1, 2025. That ranks #2,633 of 3,222 county equivalents nationally and #60 of 64 in Louisiana. Since the April 1, 2020 estimates base of 8,906, the population has declined by 683 (−7.7%), compared with −0.9% for Louisiana as a whole.
With 709.3 square miles of land, that is 12 people per square mile (4.5 per km²), placing Catahoula Parish #2,588 nationally for density and #62 in Louisiana. The median county equivalent has 47 people per square mile; the Louisiana median is 48. Put another way, there are about 55 acres of land per resident.
| July 1 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|---|
| Estimate | 8,846 | 8,727 | 8,645 | 8,475 | 8,366 | 8,223 |
| Change | — | −119 | −82 | −170 | −109 | −143 |
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 Catahoula Parish
3 incorporated places lie at least partly in Catahoula Parish. Together they are home to 2,122 people (25.8%); the other 6,101 (74.2%) live outside any incorporated place, in unincorporated communities and rural areas.
The largest is Jonesville town, with 1,531 residents in the county. The county seat, Harrisonburg village, has 261 residents.
| Incorporated place | Population 2025 | Since 2020 | Land mi² |
|---|---|---|---|
| Jonesville town | 1,531 | −11.5% | 1.915 |
| Sicily Island village | 330 | −10.3% | 0.574 |
| Harrisonburg villageCounty seat | 261 | −8.1% | 0.968 |
Population: U.S. Census Bureau Vintage 2025 subcounty estimates, counting only the part of each place inside Catahoula Parish. Land: 2026 Census Gazetteer, for the whole place even where it extends into other counties. How communities are listed.
Metropolitan area
Catahoula Parish 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
9 ZIP Code Tabulation Areas have land in Catahoula Parish; 6 of them have most of their land inside the county, and the others mainly cover neighboring areas.
713267134071343713687140171418714257143571465
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 Catahoula Parish
Catahoula Parish shares a land border with 6 county equivalents. It has more land than 5 of them. The largest neighbor is Avoyelles Parish (831.4 mi²) and the smallest is Caldwell Parish (529.8 mi²). Together with its neighbors, Catahoula Parish forms a block of 4,618.5 mi² of land, of which it holds 15.4%.
| Bordering county equivalent | Land mi² | Size vs. Catahoula | Compare |
|---|---|---|---|
| Avoyelles Parish | 831.4 | 1.2× larger | Compare |
| Concordia Parish | 695.7 | about the same | Compare |
| LaSalle Parish | 624.9 | 1.1× smaller | Compare |
| Franklin Parish | 624.3 | 1.1× smaller | Compare |
| Tensas Parish | 603.3 | 1.2× smaller | Compare |
| Caldwell Parish | 529.8 | 1.3× smaller | Compare |
How big is Catahoula Parish compared with U.S. states?
Catahoula Parish has less land than any of the 50 states. Rhode Island, the smallest state by land area, has 1,033.9 mi², about 1.5 times as much. Louisiana’s county land could hold about 61 areas the size of Catahoula Parish.
Another way to picture it: the same land area would fill a square about 26.6 miles (42.9 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 Catahoula Parish?
Catahoula Parish has more land than 1,925 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 Catahoula Parish at #1,306 nationally by total area, 9 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 4.1%, compared with a national county-equivalent median of 1.2% — 2.9 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 Catahoula Parish in the national ranking. They can be in different states and are not necessarily geographic neighbors.
| Land rank | County equivalent | Land mi² | Comparison |
|---|---|---|---|
| #1296 | Blanco County, Texas | 709.3 | Compare |
| #1297 | Catahoula Parish, Louisiana | 709.3 | This county |
| #1298 | Logan County, Arkansas | 709.1 | 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 31.667050, -91.844779. 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: 1,836,953,682 m²; AWATER: 78,178,416 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 Catahoula Parish?
Catahoula Parish, Louisiana has 709.3 square miles (1,837 km²) of land and 30.2 square miles of water, for a total area of 739.4 square miles. It ranks #1297 of 3,222 U.S. county equivalents by land area.
Is Catahoula Parish the largest county in Louisiana?
No. Catahoula Parish ranks #26 of 64 in Louisiana by land area. The largest is Vernon Parish, with 1,326.7 square miles of land.
What counties border Catahoula Parish?
Catahoula Parish shares a land border with Concordia Parish, LaSalle Parish, Franklin Parish, Avoyelles Parish, Tensas Parish, and Caldwell Parish.
What is the population of Catahoula Parish?
The Census Bureau estimates Catahoula Parish had 8,223 residents on July 1, 2025, ranking #2,633 of 3,222 county equivalents. That is 12 people per square mile of land.
What is the county seat of Catahoula Parish?
The county seat of Catahoula Parish is Harrisonburg.
What cities and towns are in Catahoula Parish?
Catahoula Parish has 3 incorporated places. The most populous are Jonesville town, Sicily Island village, and Harrisonburg village; 6,101 residents live outside any incorporated place.
Is Catahoula Parish part of a metropolitan area?
No. Catahoula Parish is outside every metropolitan and micropolitan statistical area in the July 2023 OMB delineation.
How many ZIP codes are in Catahoula Parish?
9 ZIP Code Tabulation Areas have land in Catahoula Parish, and 6 of them have most of their land inside the county. Census ZIP Code Tabulation Areas approximate USPS ZIP Code areas.
How does Catahoula Parish compare with U.S. states?
It has less land than every state. Rhode Island, the smallest, has 1.5 times as much land.
How many acres of land are in Catahoula Parish?
The land measurement converts to approximately 453,921 acres. Including water, total area is approximately 473,240 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.