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Historic places on the National Register

The National Park Service’s file listed 100,498 places as of May 22, 2026, according to the National Register of Historic Places.

Of them, 99,755 are in the 50 states and DC and 743 in the territories and other places the file names, across 3,129 counties and independent cities. A listing is the Service’s record that a place was nominated and accepted; a historic district is one listing however many buildings it holds.

Listings as of May 22, 2026

100,498
Listings
Each reference number once, wherever the file prints it.
18,300
Historic districts
A district is one listing however many buildings it holds.
2,744
National Historic Landmarks
Listings the file gives a National Historic Landmark designation date.
5,682
Restricted listings
Counted in every total; the file withholds where they are.
About these figures
Listings
Each reference number once, wherever the file prints it.
Historic districts
A district is one listing however many buildings it holds.
National Historic Landmarks
Listings the file gives a National Historic Landmark designation date.
Restricted listings
Counted in every total; the file withholds where they are.

What stands out

Six findings. From the National Park Service’s listed-properties file, each one a row from a query.

  • The National Park Service’s file lists 100,498 places on the National Register, 99,755 of them in the 50 states and DC and 743 in the territories and other places it names. Of them, 18,300 are historic districts, each one listing however many buildings it holds. The United States →

  • The most listings, 6,634, are in New York; the fewest among the 50 states and DC, 386, are in Hawaii. New York →

  • Against the Census Bureau’s 2025 population, the most listings per 100,000 residents, 150.8, are in South Dakota, and the fewest, 7.9, in California. South Dakota →

  • The file dates 2,744 listings as National Historic Landmarks; the most in one state, 286, are in New York. New York →

  • The most listings in a single county or independent city, 1,349, are in Middlesex, Massachusetts. Middlesex, Massachusetts →

  • More places were listed in 1982 than in any other year: 4,727. 1982 →

What changed in this release

This is the hub’s first release, retrieved on November 3, 2026: 100,498 places on the National Register of Historic Places at May 22, 2026.

Follow this hub’s releases (Atom feed)

Listings by the year they were listed

The most places listed in one year is 4,727, in 1982

Places on the National Register by the year each was listed, as the file holds them today. A year with no column had no listing in the file.

Today’s listings by the year each was listed, not the size of the register in that year: a place removed from the register is not in the file.

The year 2026 is not drawn: the year is not over, and the file’s newest listed date is May 21, 2026. Its 382 listings are in the table.

Source: The National Park Service

About this chart

The figures

The most places listed in one year is 4,727, in 1982. Places on the National Register by the year each was listed, as the file holds them today. A year with no column had no listing in the file.
Year listedListings
1966864
196729
196856
1969359
1970882
19711,039
19721,509
19732,166
19742,178
19751,952
19762,082
19771,462
19783,168
19793,594
19804,316
1981617
19824,727
19834,381
19843,756
19853,376
19863,163
19872,277
19882,979
19892,547
19902,206
19911,991
19921,839
19931,555
19941,599
19951,512
19961,530
19971,569
19981,545
19991,514
20001,534
20011,411
20021,677
20031,368
20041,535
20051,602
20061,261
20071,414
20081,312
20091,233
20101,098
20111,069
20121,180
20131,079
20141,153
20151,009
2016977
2017987
2018923
2019901
2020787
2021890
2022824
2023701
2024879
2025846
Places on the National Register by the year they were listed
YearListings
1966864
196729
196856
1969359
1970882
19711,039
19721,509
19732,166
19742,178
19751,952
19762,082
19771,462
19783,168
19793,594
19804,316
1981617
19824,727
19834,381
19843,756
19853,376
19863,163
19872,277
19882,979
19892,547
19902,206
19911,991
19921,839
19931,555
19941,599
19951,512
19961,530
19971,569
19981,545
19991,514
20001,534
20011,411
20021,677
20031,368
20041,535
20051,602
20061,261
20071,414
20081,312
20091,233
20101,098
20111,069
20121,180
20131,079
20141,153
20151,009
2016977
2017987
2018923
2019901
2020787
2021890
2022824
2023701
2024879
2025846
2026382

By the register’s category

Places on the National Register by the register’s category
CategoryListingsShare of listings
Building69,23668.9%
District18,30018.2%
Site7,1017.1%
Structure5,2945.3%
Object4680.5%
Not stated990.1%

By state

Listings per state run from 386 in Hawaii to 6,634 in New York

Places on the National Register in each state and the District of Columbia, as a count. The table gives each state’s National Historic Landmarks and its counties with a listing.

Key: Listings on the National Register. 5 shades, lightest to darkest: under 1,100; 1,100 to 1,500; 1,500 to 1,900; 1,900 to 2,700; 2,700 and over. gray: not reported.

Too small to see on the map:District of Columbia702

A listing is not a building count: a historic district is one listing however many buildings it holds.

Source: The National Park Service

About this chart

The figures

Listings per state run from 386 in Hawaii to 6,634 in New York. Places on the National Register in each state and the District of Columbia, as a count. The table gives each state’s National Historic Landmarks and its counties with a listing.
StateListingsNational Historic LandmarksCounties with a listing
New York6,63428662
Massachusetts4,51819414
Ohio4,2847688
Pennsylvania3,64917167
Texas3,58749229
Kentucky3,56733120
Virginia3,451130163
North Carolina3,18242100
California3,11115158
Arkansas2,8922575
Wisconsin2,6754772
Iowa2,5063099
Missouri2,48338115
Georgia2,24253159
Tennessee2,2383595
Indiana2,1844592
Oregon2,1281836
Michigan2,0324078
Illinois2,01191102
Utah1,9381429
Florida1,9184966
New Jersey1,8195621
Minnesota1,8032787
Washington1,7052739
Maine1,7044616
Kansas1,69128102
South Carolina1,6897746
Connecticut1,687688
Colorado1,6843063
Maryland1,6397424
Louisiana1,5496064
Mississippi1,5464182
Arizona1,5354815
Oklahoma1,4422277
South Dakota1,4101566
Alabama1,3834067
Montana1,2872856
New Mexico1,2204633
Nebraska1,1822490
West Virginia1,1541955
Idaho1,0911244
Vermont9111914
New Hampshire8292410
Rhode Island818455
Delaware728153
District of Columbia702751
Wyoming6113423
North Dakota465752
Alaska4585324
Nevada398918
Hawaii386335

2 more columns on a wider screen

Places on the National Register by state and territory, most listings first
StateListings
New York6,634
Massachusetts4,518
Ohio4,284
Pennsylvania3,649
Texas3,587
Kentucky3,567
Virginia3,451
North Carolina3,182
California3,111
Arkansas2,892
Wisconsin2,675
Iowa2,506
Missouri2,483
Georgia2,242
Tennessee2,238
Indiana2,184
Oregon2,128
Michigan2,032
Illinois2,011
Utah1,938
Florida1,918
New Jersey1,819
Minnesota1,803
Washington1,705
Maine1,704
Kansas1,691
South Carolina1,689
Connecticut1,687
Colorado1,684
Maryland1,639
Louisiana1,549
Mississippi1,546
Arizona1,535
Oklahoma1,442
South Dakota1,410
Alabama1,383
Montana1,287
New Mexico1,220
Nebraska1,182
West Virginia1,154
Idaho1,091
Vermont911
New Hampshire829
Rhode Island818
Delaware728
District of Columbia702
Wyoming611
North Dakota465
Alaska458
Nevada398
Hawaii386
Puerto Rico385
Guam135
Virgin Islands100
Northern Mariana Islands39
American Samoa31
Federated States of Micronesia27
Territorial Waters13
Palau6
Marshall Islands4
U.S. Minor Islands2
Morocco1

Rankings

Analysis

Each brief is written around figures the Factbook’s queries return, and every figure in it is checked against the query that produced it, so the text and the data cannot drift apart.

  • The most places listed in one year: 4,727 in 1982

    The National Park Service's file lists more places in 1982 than in any other year: 4,727. The chart draws the number of places listed in each whole year from 1966 to 2025.

    American Factbook · November 7, 2026

Everything in this hub

Every page in this topic, by kind.

Questions4

Rankings4

States62

Counties

Counties

Each county or independent city with a listing: its listings by name, category and year listed. Listed by state.

Listed properties

Listed properties

Each place on the National Register, named as the register prints it, with its category, county and year listed. Listed by county: each county’s page lists every listing in it.

Sources

Compiled automatically from National Register of Historic Places — listed properties spreadsheet by a checked SQL query · Editor: Kian O'Connor · How this site is built

How to cite this page

Cite the page’s address and the date printed on it, and name National Park Service, National Register of Historic Places as the source of the figures.

American Factbook. “Historic places.” Updated November 3, 2026. https://americanfactbook.org/historic-places. Source: National Register of Historic Places — listed properties spreadsheet, https://www.nps.gov/subjects/nationalregister/data-downloads.htm.

No claim to original U.S. Government works. The National Park Service does not endorse this site.

Data retrieved