Montgomery County Planning Department

Top 25 Nationwide Jurisdictions by Population Density, 2000

Ranking

US Jurisdictions

2000 Population

Square Miles
(Land)

Population Per Sq. Mi.

1
New York County, NY

1,537,195

23.0

66,940.1

2
Kings County, NY

2,465,326

70.6

34,916.6

3
Bronx County, NY

1,332,650

42.0

31,709.3

4
Queens County, NY

2,229,379

109.2

20,409.0

5
San Francisco County, CA

776,733

46.7

16,634.4

6
Hudson County, NJ

608,975

46.7

13,043.6

7
Suffolk County, MA

689,807

58.5

11,788.4

8
Philadelphia County, PA

1,517,550

135.1

11,233.6

9
Richmond County, NY

443,728

58.5

7,587.9

10
Arlington County, VA

189,453

25.9

7,323.3

11
Essex County, NJ

793,633

126.3

6,285.4

12
Cook County, IL

5,376,741

945.7

5,685.6

13
Union County, NJ

522,541

103.3

5,059.0

14
Nassau County, NY

1,334,544

286.7

4,655.0

15
Milwaukee County, WI

940,164

241.6

3,892.1

16
Bergen County, NJ

884,118

234.2

3,775.5

17
Denver County, CO

554,636

153.4

3,616.8

18
Orange County, CA

2,846,289

789.4

3,605.6

19
Wayne County, MI

2,061,162

614.2

3,356.1

20
Pinellas County, FL

921,482

279.9

3,292.0

21
Ramsey County, MN

511,035

155.8

3,280.6

22
Cuyahoga County, OH

1,393,978

458.5

3,040.4

23
Delaware County, PA

550,864

184.2

2,990.4

24
DuPage County, IL

904,161

333.6

2,710.3

25
Orleans Parish, LA

484,674

180.6

2,684.3

48
Montgomery County, MD

873,341

495.5

1,762.5

Source: U.S. Bureau of the Census, 2000 Census