Caldwell County area

Population and density of Caldwell County

The Census Bureau estimates that 81,105 people lived in Caldwell County on July 1, 2025. That ranks #731 of 3,222 county equivalents nationally and #37 of 100 in North Carolina. Since the April 1, 2020 estimates base of 80,670, the population has grown by 435 (+0.5%), compared with +7.2% for North Carolina as a whole.

With 471.9 square miles of land, that is 172 people per square mile (66 per km²), placing Caldwell County #700 nationally for density and #36 in North Carolina. The median county equivalent has 47 people per square mile; the North Carolina median is 116. Put another way, there are about 3.7 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 Caldwell County

11 incorporated places lie at least partly in Caldwell County. Together they are home to 39,425 people (48.6%); the other 41,680 (51.4%) live outside any incorporated place, in unincorporated communities and rural areas.

The largest is Lenoir city, with 18,372 residents in the county. By land, Hickory city is the largest at 33.4 mi² across all its counties. Among places with at least 1,000 residents in 2020, Sawmills town grew fastest since then (+1.3%).

Population: U.S. Census Bureau Vintage 2025 subcounty estimates, counting only the part of each place inside Caldwell County. Land: 2026 Census Gazetteer, for the whole place even where it extends into other counties. How communities are listed.

Metropolitan area

Caldwell County is a central county of the Hickory-Lenoir-Morganton, NC Metropolitan Statistical Area. Its 4 county equivalents have 376,890 residents on 1,639.5 square miles of land; Caldwell County accounts for 28.8% of the land and 21.5% of the residents. By combined land it ranks #197 of 393 metropolitan areas, and #152 by population. It belongs to the Charlotte-Concord, NC-SC Combined Statistical Area.

ZIP codes

10 ZIP Code Tabulation Areas have land in Caldwell County; 5 of them have most of their land inside the county, and the others mainly cover neighboring areas.

28601286052860628611286242863028638286452865528667

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 County

Caldwell County shares a land border with 6 county equivalents. It has more land than 4 of them. The largest neighbor is Wilkes County (753.7 mi²) and the smallest is Avery County (247.3 mi²). Together with its neighbors, Caldwell County forms a block of 2,953 mi² of land, of which it holds 16%.

How big is Caldwell County compared with U.S. states?

Caldwell County has less land than any of the 50 states. Rhode Island, the smallest state by land area, has 1,033.9 mi², about 2.2 times as much. North Carolina’s county land could hold about 103 areas the size of Caldwell County.

Another way to picture it: the same land area would fill a square about 21.7 miles (35 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 County?

Caldwell County has more land than 1,038 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 County at #2,261 nationally by total area, 77 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 0.6%, compared with a national county-equivalent median of 1.2% — 0.6 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 Caldwell 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.