A Gazetteer for the United States and Canada
Census Data for O'Neill (aka 'O'Neill City') ...
The most recent Census Estimate<1> was for 2017 and it gave O'Neill a population of 3,635 people.
The last Decennial Census<2> was in 2010, which gave O'Neill a population of 3,705 people.
The city of O'Neill is located in Holt County. The 2010 Census gave Holt County a population of 10,435 people. This means that O'Neill had 35.51% of the county's total population, making it Holt's most populous community.
When the Census Bureau conducts a census for a city like O'Neill, they draw a boundary around the area in which they are going to conduct their count - this defines the sampling area (usually shaped as a polygon). The shape of the sampling area can be quite complex and it's important to keep in mind that the boundaries of the sampling area may or may not match the recognized boundaries of the city.
Things like the population, area and housing for O'Neill reflect the sampling area. Since the shape of the sampling area and the actual boundaries of O'Neill might be different, it's best to check with the U.S. Census Bureau to resolve any difference between the two.
The 2010 Census shows that the sampling area for O'Neill has a total area of 2.38 square miles [6.2 km²].
Holt County has a land area of 2,412 square miles [6,248.1 km²]. At 2.38 square miles [6.2 km²], O'Neill has 0.1% of the county's total land area.
Not only does the sampling area define boundaries, it also has a GPS location (latitude & longitude) that indicates a point within the sampling area (usually the center of the polygon, known as the centroid). At the time of the 2010 Census, the sampling area was located at:
Lat: 42° 27' 39" (or 42.46°) [Map]
More information on this topic and the changes between the 2000 Census and the 2010 Census can be found in the section for our Census-to-Census Observations ... (see below).
Population Density ...
Using the population (3,705 people) and land area (2.38 square miles [6.2 km²]) values from the 2010 Census, O'Neill had a population density of 1,553 people per square mile [599 people/km²].
In comparison, the 2000 Census shows O'Neill had a population of 3,733 people and a land area of 2.36 square miles [6.1 km²]. This gives a population density of 1,580 people per square mile [610 people/km²]
NOTE: Be aware that when comparing population density between the 2000 and the 2010 Census, there were changes in the sampling area for O'Neill. You need to be careful when making such a comparison, the differences are likely to lead to a questionable comparison. More information about the nature of these differences can be found in the section Census-to-Census Observations ... (see below).
Housing Units ...
At the time of the 2010 Census, O'Neill had 1,778 Housing Units<3> and with its population of 3,705 people, this averages 2.08 people per Housing Unit.
The 2010 Census shows O'Neill had a land area of 2.38 square miles [6.2 km²]. This translates to 745 Housing Units per square mile [287.8 housing units/km²].
From the Census of 2000: O'Neill had 1,740 Housing Units, a population of 3,733 people and a land area of 2.36 square miles [6.1 km²]. This gives a density of 2.15 people per Housing Unit and 736 Housing Units per square mile [284.5 housing units/km²].
NOTE: Repeating the caution above (under Population Density), be aware that when comparing Housing Units between the 2000 Census and the 2010 Census, there were changes in the sampling area for O'Neill and you need to be careful when comparing results between the censuses. More information about the changes can be found in the section called Census-to-Census Observations ... (see below).
Holt County ...
The county had a population of 10,435 people at the 2010 Census. With it's population of 3,705 people, O'Neill represented 35.51% of the county's total.
In addition, where the city of O'Neill has a population density of 1,553 people per square mile [599 people/km²], Holt County averages 4.33 people per square mile [1.67 people/km²].
For more information, please visit our Census Page for Holt County.
Population Rings for O'Neill ...
To help identify the number of people who live in O'Neill and the surrounding area, we have drawn concentric rings centered on O'Neill. We counted the number of communities within each ring and summed their populations.<5>
Census-to-Census Observations ...
When the Census Bureau takes a census count (or enumeration) for O'Neill, they start by specifying the boundaries of the area to be counted. This area (or sampling area) is a polygon and its shape can be quite complex - it may or may not match the geographical boundaries of O'Neill. It's important to note that from one Census to the next, the shape and location of the polygon can change. If you need precision or details about the methodology of the Census, you should visit the U.S. Census Bureau for a definitive answer.
The sampling area (or polygon) given for the 2010 Census is 0.99% larger than the 2000 Census.
The 2010 Census shows that the total area for O'Neill was 2.38 square miles [6.2 km²]. Of this total, only a minor amount of the area is covered by water.
The 2000 Census shows a total area of 2.36 square miles [6.1 km²]. Of this total, only a minor amount of the area is covered by water.
While generally coinciding with the GPS location (latitude/longitude) of O'Neill, the latitude and longitude given by the Census Bureau actually indicates the GPS location of the polygon for O'Neill.
For the 2010 Census, the location was given as:
Lat: 42.461019° (or 42°27'39" N) [Map]
For the 2000 Census, the location given was:
Lat: 42.460753° (or 42°27'38" N) [Map]
The difference indicates that the U.S. Census Bureau moved the location of the polygon for the 2010 Census 170.9 feet to the northeast<6> of the location that was used in the 2000 Census.
The U.S. Geological Survey (USGS) and the U.S. Board on Geographic Names (BGN) have assigned a unique GNIS identifier (#838176) to O'Neill. This identifier also marks a GSP point on the map, and that point lies within the boundaries of O'Neill. The GNIS point has been mapped to the latitude/longitude:
Lat: 42.460836° (or 42°27'39" N) [Map]
The GSP location given for the 2010 Census lies 159.6 feet to the northeast<7> of the point given by the GNIS for O'Neill. For more information about this and the relationship of the various Federal Codes, please visit our Misc Page for O'Neill.
Miscellaneous Information for O'Neill ...
The Federal government has assigned various identifying codes to each community, county and state. At one time or another, the US Census Bureau has used one (or more) of the following identifiers when referring to either Holt County or the city of O'Neill:
The GNIS Codes ...
The current system of identification is called the Geographic Names Information System (GNIS). The following GNIS codes relate to O'Neill:
GNIS ID for O'Neill: 838176
The FIPS Codes ...
An earlier (and largely obsolete) identification method was called the Federal Information Processing Standard (FIPS):
State Code: 31 (Nebraska)
County Code: 089 (Holt County)
Place Code: 37105 (O'Neill)
Misc. Census Codes ...
O'Neill is located in Census Region #2 (the Midwest Region) and Division #4 (the West North-Central Division).
For more information about the various Federal identification codes, please visit our Misc Page for O'Neill.
Other Roadside Stops ...
Off-the-Road Links ...
The official website of the U.S. Census Bureau
Unfortunately, we don't know of a website for O'Neill. If you can help, please contact us through our Feedback Page.
The official website for Holt County: www.co.holt.ne.us/
The official website for State of Nebraska: www.nebraska.gov/
The official website of the U.S. Board on Geographic Names (BGN)
The official website of the U.S. Geological Survey (USGS)
Please keep in mind that we can not guarantee the accuracy or timeliness of the information on this website, so use with care. We encourage you to double-check the information that is critical to you.
If you've found an error or have additional information that you would like to share, please don't hesitate to write. Click here to contact us.
This page was last modified: 11 Mar 2019