Burlington County area

Population and density of Burlington County

The Census Bureau estimates that 481,439 people lived in Burlington County on July 1, 2025. That ranks #155 of 3,222 county equivalents nationally and #11 of 21 in New Jersey. Since the April 1, 2020 estimates base of 461,873, the population has grown by 19,566 (+4.2%), compared with +2.8% for New Jersey as a whole.

With 799.3 square miles of land, that is 602 people per square mile (233 per km²), placing Burlington County #289 nationally for density and #14 in New Jersey. The median county equivalent has 47 people per square mile; the New Jersey median is 1,137. Put another way, there are about 1.1 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 Burlington County

Burlington County is divided into 40 municipalities and townships. In New Jersey, county subdivisions are local governments, and together they cover all of the county’s land and residents.

The most populous is Evesham township, with 49,525 residents (10.3% of the county). The largest by land is Washington township, at 101.7 mi², or 12.7% of the county’s land. The county seat, Mount Holly township, has 10,645 residents. Among those with at least 1,000 residents in 2020, Bordentown township grew fastest since then (+8.5%).

Population: U.S. Census Bureau Vintage 2025 subcounty estimates, counting only the part of each subdivision inside Burlington County. Land: 2026 Census Gazetteer. How communities are listed.

Metropolitan area

Burlington County is a central county of the Philadelphia-Camden-Wilmington, PA-NJ-DE-MD Metropolitan Statistical Area, in the Camden, NJ metropolitan division. Its 11 county equivalents have 6,329,118 residents on 4,603.2 square miles of land; Burlington County accounts for 17.4% of the land and 7.6% of the residents. By combined land it ranks #58 of 393 metropolitan areas, and #9 by population. It belongs to the Philadelphia-Reading-Camden, PA-NJ-DE-MD Combined Statistical Area.

ZIP codes

39 ZIP Code Tabulation Areas have land in Burlington County; 33 of them have most of their land inside the county, and the others mainly cover neighboring areas.

080100801108015080160801908022080360804108042080460804808052080530805408055080570806008064080650806808073080750807708087080880821508224085010850508511085150851808554085620861008620086400864108759

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 Burlington County

Burlington County shares a land border with 7 county equivalents, including 2 in Pennsylvania. It has more land than every one of them. The largest neighbor is Ocean County (628.3 mi²) and the smallest is Philadelphia County (134.3 mi²). Together with its neighbors, Burlington County forms a block of 3,636 mi² of land, of which it holds 22%.

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

Burlington County has less land than any of the 50 states. Rhode Island, the smallest state by land area, has 1,033.9 mi², about 1.3 times as much. New Jersey’s county land could hold about 9.2 areas the size of Burlington County.

Another way to picture it: the same land area would fill a square about 28.3 miles (45.5 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 Burlington County?

Burlington County has more land than 2,154 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 Burlington County at #1,133 nationally by total area, 65 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 2.6%, compared with a national county-equivalent median of 1.2% — 1.4 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 Burlington 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.