Pulaski County area

Population and density of Pulaski County

The Census Bureau estimates that 404,611 people lived in Pulaski County on July 1, 2025. That ranks #188 of 3,222 county equivalents nationally and #1 of 75 in Arkansas. Since the April 1, 2020 estimates base of 399,110, the population has grown by 5,501 (+1.4%), compared with +3.4% for Arkansas as a whole.

With 758.4 square miles of land, that is 534 people per square mile (206 per km²), placing Pulaski County #324 nationally for density and #1 in Arkansas. The median county equivalent has 47 people per square mile; the Arkansas median is 28. Put another way, there are about 1.2 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 Pulaski County

8 incorporated places lie at least partly in Pulaski County. Together they are home to 357,023 people (88.2%); the other 47,588 (11.8%) live outside any incorporated place, in unincorporated communities and rural areas.

The largest is Little Rock city, with 206,427 residents in the county. Among places with at least 1,000 residents in 2020, Wrightsville city grew fastest since then (+5.6%).

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

Metropolitan area

Pulaski County is a central county of the Little Rock-North Little Rock-Conway, AR Metropolitan Statistical Area. Its 6 county equivalents have 777,607 residents on 4,084.1 square miles of land; Pulaski County accounts for 18.6% of the land and 52% of the residents. By combined land it ranks #72 of 393 metropolitan areas, and #81 by population. It belongs to the Little Rock-North Little Rock, AR Combined Statistical Area.

ZIP codes

36 ZIP Code Tabulation Areas have land in Pulaski County; 26 of them have most of their land inside the county, and the others mainly cover neighboring areas.

720027201672023720467205372065720767209972103721067211372114721167211772118721197212072122721267213572142721807218372199722017220272204722057220672207722097221072211722127222372227

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 Pulaski County

Pulaski County shares a land border with 6 county equivalents. It has more land than 4 of them. The largest neighbor is Jefferson County (872.3 mi²) and the smallest is Perry County (551.3 mi²). Together with its neighbors, Pulaski County forms a block of 4,956.4 mi² of land, of which it holds 15.3%.

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

Pulaski County has less land than any of the 50 states. Rhode Island, the smallest state by land area, has 1,033.9 mi², about 1.4 times as much. Arkansas’s county land could hold about 69 areas the size of Pulaski County.

Another way to picture it: the same land area would fill a square about 27.5 miles (44.3 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 Pulaski County?

Pulaski County has more land than 2,065 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 Pulaski County at #1,160 nationally by total area, 3 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 6.1%, compared with a national county-equivalent median of 1.2% — 4.9 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 Pulaski 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.