County outline
Where Caldwell Parish is located
Area breakdown
Land accounts for 97.9% of Caldwell Parish’s measured area and water for 2.1%. Its combined area converts to 1,401.2 square kilometers or approximately 346,244 acres.
Green: land · blue: water
| Measurement | Square miles | Square kilometers | Acres |
|---|---|---|---|
| Land | 529.77 | 1,372.098 | 339,052.8 |
| Water | 11.237 | 29.104 | 7,191.7 |
| Total | 541.007 | 1,401.202 | 346,244.5 |
How Caldwell Parish compares
By original Census land area, Caldwell Parish ranks #46 of 64 in Louisiana and #1978 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.
Its land area is 0.82 times the Louisiana county-equivalent median of 645.9 square miles. It accounts for 1.2% of the combined county land area in the state.
See the complete Louisiana ranking · What counts as a county equivalent?
Population and density of Caldwell Parish
The Census Bureau estimates that 9,344 people lived in Caldwell Parish on July 1, 2025. That ranks #2,534 of 3,222 county equivalents nationally and #57 of 64 in Louisiana. Since the April 1, 2020 estimates base of 9,647, the population has declined by 303 (−3.1%), compared with −0.9% for Louisiana as a whole.
With 529.8 square miles of land, that is 18 people per square mile (6.8 per km²), placing Caldwell Parish #2,395 nationally for density and #57 in Louisiana. The median county equivalent has 47 people per square mile; the Louisiana median is 48. Put another way, there are about 36 acres of land per resident.
| July 1 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|---|
| Estimate | 9,616 | 9,581 | 9,506 | 9,415 | 9,432 | 9,344 |
| Change | — | −35 | −75 | −91 | +17 | −88 |
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 Caldwell Parish
3 incorporated places lie at least partly in Caldwell Parish. Together they are home to 1,723 people (18.4%); the other 7,621 (81.6%) live outside any incorporated place, in unincorporated communities and rural areas.
The largest is Clarks village, with 1,034 residents in the county. The county seat, Columbia town, has 262 residents. By land, Grayson village is the largest at 1.273 mi².
| Incorporated place | Population 2025 | Since 2020 | Land mi² |
|---|---|---|---|
| Clarks village | 1,034 | −1.7% | 0.96 |
| Grayson village | 427 | −5.1% | 1.273 |
| Columbia townCounty seat | 262 | −6.1% | 0.764 |
Population: U.S. Census Bureau Vintage 2025 subcounty estimates, counting only the part of each place inside Caldwell Parish. Land: 2026 Census Gazetteer, for the whole place even where it extends into other counties. How communities are listed.
Metropolitan area
Caldwell 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
5 ZIP Code Tabulation Areas have land in Caldwell Parish; 4 of them have most of their land inside the county, and the others mainly cover neighboring areas.
7141571418714357144171465
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 Caldwell Parish
Caldwell Parish shares a land border with 7 county equivalents. Each of them has more land than Caldwell Parish. The largest neighbor is Winn Parish (950 mi²) and the smallest is Richland Parish (555.6 mi²). Together with its neighbors, Caldwell Parish forms a block of 5,173.6 mi² of land, of which it holds 10.2%.
| Bordering county equivalent | Land mi² | Size vs. Caldwell | Compare |
|---|---|---|---|
| Winn Parish | 950 | 1.8× larger | Compare |
| Catahoula Parish | 709.3 | 1.3× larger | Compare |
| LaSalle Parish | 624.9 | 1.2× larger | Compare |
| Franklin Parish | 624.3 | 1.2× larger | Compare |
| Ouachita Parish | 610.1 | 1.2× larger | Compare |
| Jackson Parish | 569.7 | 1.1× larger | Compare |
| Richland Parish | 555.6 | about the same | Compare |
How big is Caldwell Parish compared with U.S. states?
Caldwell Parish has less land than any of the 50 states. Rhode Island, the smallest state by land area, has 1,033.9 mi², about 2 times as much. Louisiana’s county land could hold about 82 areas the size of Caldwell Parish.
Another way to picture it: the same land area would fill a square about 23 miles (37 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 Caldwell Parish?
Caldwell Parish has more land than 1,244 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 Caldwell Parish at #2,036 nationally by total area, 58 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 2.1%, compared with a national county-equivalent median of 1.2% — 0.9 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 Caldwell Parish in the national ranking. They can be in different states and are not necessarily geographic neighbors.
| Land rank | County equivalent | Land mi² | Comparison |
|---|---|---|---|
| #1977 | Brown County, Wisconsin | 530.1 | Compare |
| #1978 | Caldwell Parish, Louisiana | 529.8 | This county |
| #1979 | Lafayette County, Arkansas | 529.5 | 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 32.101219, -92.114231. 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: 1,372,098,436 m²; AWATER: 29,104,196 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 Caldwell Parish?
Caldwell Parish, Louisiana has 529.8 square miles (1,372.1 km²) of land and 11.2 square miles of water, for a total area of 541 square miles. It ranks #1978 of 3,222 U.S. county equivalents by land area.
Is Caldwell Parish the largest county in Louisiana?
No. Caldwell Parish ranks #46 of 64 in Louisiana by land area. The largest is Vernon Parish, with 1,326.7 square miles of land.
What counties border Caldwell Parish?
Caldwell Parish shares a land border with LaSalle Parish, Ouachita Parish, Winn Parish, Richland Parish, Franklin Parish, Jackson Parish, and Catahoula Parish.
What is the population of Caldwell Parish?
The Census Bureau estimates Caldwell Parish had 9,344 residents on July 1, 2025, ranking #2,534 of 3,222 county equivalents. That is 18 people per square mile of land.
What is the county seat of Caldwell Parish?
The county seat of Caldwell Parish is Columbia.
What cities and towns are in Caldwell Parish?
Caldwell Parish has 3 incorporated places. The most populous are Clarks village, Grayson village, and Columbia town; 7,621 residents live outside any incorporated place.
Is Caldwell Parish part of a metropolitan area?
No. Caldwell Parish is outside every metropolitan and micropolitan statistical area in the July 2023 OMB delineation.
How many ZIP codes are in Caldwell Parish?
5 ZIP Code Tabulation Areas have land in Caldwell Parish, and 4 of them have most of their land inside the county. Census ZIP Code Tabulation Areas approximate USPS ZIP Code areas.
How does Caldwell Parish compare with U.S. states?
It has less land than every state. Rhode Island, the smallest, has 2 times as much land.
How many acres of land are in Caldwell Parish?
The land measurement converts to approximately 339,053 acres. Including water, total area is approximately 346,244 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.