Hawaii

Niihau

230
1990 population
1900
first census record
10
census records

About Niihau

Niihau, Hawaii, first appears in the United States federal census in 1900, when it recorded a population of 172. At the most recent census, in 1990, its population stood at 230.

Its recorded population peaked at 254 in 1960, and has since declined by roughly 9 percent.

Population by decade

Census YearPopulationChart
1990230
1980226
1970237
1960254
1950222
1940182
1930136
1920191
1910208
1900172
Source

Population data from the United States decennial census, U.S. Census Bureau (public domain).

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Everything a full report reveals about Niihau County, Hawaii

This page charts the census history of Niihau County, Hawaii. A full Aubrey report for an address here pulls together everything the historical record holds about the ground, from the earliest settlement to the twentieth century:

Overview
An interactive map of the location with historic sites, battles and Native heritage plotted, and its full story era by era.
The Land
The historic sites and place names around the location, and how this land was settled and used.
Geology
The bedrock beneath the site, its age and rock type, reaching back millions of years.
LiDAR Terrain
Laser-scanned terrain that reveals earthworks and old features hidden in the landscape.
Conflict & War
The battles, raids and skirmishes fought near here, across every era of American conflict.
The Civil War
The Civil War on this ground, 1861 to 1865: who held it, and the battles, camps and regiments nearby.
The Soldiers
The men who marched from here in the Civil War, named and traced where the record allows.
Native Heritage
The Native nations who held this land, mapped across time from before European contact to today.
Settlement
Who claimed and held this ground, from Indigenous homelands through the colonial powers to the United States.
The Community
How the town grew, who came, and what kind of place it became, traced through the census record.
Rivers & Rail
The rivers, canals and railroads that connected this place between 1830 and 1911.
Notable People
The people born, buried or genuinely tied to this exact place, with their stories.
Historical Maps
Historic maps of the location layered over how it looks today.
Finds & Access
Museum objects tied to the area, and the laws on searching, collecting and access here.
Literature
The old books, county histories and archives that mention this place, quoted with their sources.
Spotlight
A deep dive into the most remarkable, lesser-known history of the place, traced back to the record.
Points of Interest
The most significant historic sites and landmarks near the location, and why they matter.
Timeline
The whole story of the location told era by era, from first peoples to the present day.
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Frequently asked about Niihau

When does Niihau first appear in the US census?
Niihau, Hawaii first appears in the federal census in 1900, with a recorded population of 172.
What is the population of Niihau?
At the most recent federal census (1990), Niihau had a recorded population of 230.
When did Niihau's population peak?
Niihau's recorded population peaked at 254 in 1960.
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