This article shows U.S. Census totals for Newport County, Rhode Island, broken down by municipality, from 1900 to 2000.

Like most areas of New England

New England

New England is a region in the northeastern corner of the United States consisting of the six states of Maine, New Hampshire, Vermont, Massachusetts, Rhode Island, and Connecticut...

, Newport County

Newport County, Rhode Island

-National protected areas:* Sachuest Point National Wildlife Refuge* Touro Synagogue National Historic Site-History:Newport County was constituted on June 22, 1703, as one of the two original counties of the Colony of Rhode Island and Providence Plantations. As originally established, Newport...

 is (and has been at all times since well before the 20th century) entirely divided into incorporated municipalities. There is no unincorporated territory. For any census, adding up the totals for each municipality should yield the county total.

There are two types of municipalities in Rhode Island, towns and cities. The tables below differentiate between towns and cities.

For more information on the New England municipal system, see New England town

New England town

The New England town is the basic unit of local government in each of the six New England states. Without a direct counterpart in most other U.S. states, New England towns are conceptually similar to civil townships in other states, but are incorporated, possessing powers like cities in other...

.

Corporate changes since 1900

• 1963 - New Shoreham left Newport County and switched to Washington County

1900

County Total : 32,599

• Newport (city) 22,441
• Tiverton 2,977
• Portsmouth 2,105
• Middletown 1,457
• New Shoreham 1,396
• Little Compton 1,132
• Jamestown 1,091

1910

County Total: 39,335

• Newport (city) 27,149
• Tiverton 4,032
• Portsmouth 2,681
• Middletown 1,708
• New Shoreham 1,314
• Little Compton 1,276
• Jamestown 1,175

1920

County Total: 42,893

• Newport (city) 30,255
• Tiverton 3,894
• Portsmouth 2,590
• Middletown 2,094
• Jamestown 1,633
• Little Compton 1,389
• New Shoreham 1,038

1930

County Total: 41,668

• Newport (city) 27,612
• Tiverton 4,578
• Portsmouth 2,969
• Middletown 2,499
• Jamestown 1,599
• Little Compton 1,382
• New Shoreham 1,029

1940

County Total: 46,696

• Newport (city) 30,532
• Tiverton 5,018
• Portsmouth 3,683
• Middletown 3,379
• Jamestown 1,744
• Little Compton 1,492
• New Shoreham 848

1950

County Total: 61,539

• Newport (city) 37,564
• Middletown 7,382
• Portsmouth 6,578
• Tiverton 5,659
• Jamestown 2,068
• Little Compton 1,556
• New Shoreham 732

1960

County Total: 81,891

• Newport (city) 47,049
• Middletown 12,675
• Tiverton 9,461
• Portsmouth 8,251
• Jamestown 2,267
• Little Compton 1,702
• New Shoreham 486

1970

County Total: 94,228

• Newport (city) 34,562
• Middletown 29,290
• Tiverton 12,559
• Portsmouth 12,521
• Jamestown 2,911
• Little Compton 2,385

1980

County Total: 81,383

• Newport (city) 29,259
• Middletown 17,216
• Portsmouth 14,257
• Tiverton 13,526
• Jamestown 4,040
• Little Compton 3,085

1990

County Total: 87,194

• Newport (city) 28,227
• Middletown 19,460
• Portsmouth 16,857
• Tiverton 14,312
• Jamestown 4,999
• Little Compton 3,339

2000

County Total: 85,433

• Newport (city) 26,475
• Middletown 17,334
• Portsmouth 17,149
• Tiverton 15,260
• Jamestown 5,622
• Little Compton 3,593