A Gazetteer for the United States and Canada

Hillsboro, North Dakota

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Census Data for Hillsboro ...

Population ...

The most recent Census Estimate<1> was for 2019 and it gave Hillsboro a population of 1,629 people.

The last Decennial Census<2> was in 2010, which gave Hillsboro a population of 1,603 people.

The city of Hillsboro is located in Traill County. The 2010 Census gave Traill County; a population of 8,121 people. This means that Hillsboro had 19.74% of the county's total population, making it Traill's 2nd most populous community.

At the same time, North Dakota had a population of 672,591 people, meaning that Hillsboro had 0.24% of the total population of North Dakota - making it the state's 39th most populous community.

Area ...

The 2010 Census shows that the sampling area for Hillsboro has a total area of 1.09 square miles [2.8 km²].

Traill County has a land area of 861 square miles [2,232.4 km²]. At 1.09 square miles [2.8 km²], Hillsboro has 0.13% of the county's total land area.

  • Continue Reading ...
    • When the Census Bureau conducts a census for a city like Hillsboro, they draw a boundary around the area in which they are going to conduct their count - this defines the sampling area (usually 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 population, area and housing for Hillsboro reflect the sampling area. Since the shape of the sampling area and the actual boundaries of Hillsboro might be different, it's best to check with the U.S. Census Bureau to resolve any difference between the two.
    • 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:   47° 24' 10"   (or 47.4°)
    • Lon:   -97° 3' 47"   (or -97.06°)
    • 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).

Housing Units ...

At the time of the 2010 Census, Hillsboro had 763 Housing Units<3> and with its population of 1,603 people, this averages 2.1 people per Housing Unit.

  • Continue Reading ...
    • The 2010 Census shows Hillsboro had a land area of 1.09 square miles [2.8 km²]. This translates to 697 Housing Units per square mile [269.3 housing units/km²].
    • From the Census of 2000: Hillsboro had 727 Housing Units, a population of 1,563 people and a land area of 1.07 square miles [2.8 km²]. This gives a density of 2.15 people per Housing Unit and 679 Housing Units per square mile [262.3 housing units/km²].
    • Note: Repeating the caution above (under Population Density), be aware that when comparing Housing Units between the 2010 and the 2000 Census, there were changes in the sampling area for Hillsboro and you need to be careful when comparing values between the censuses. More information about these differences can be found in the section called Census-to-Census Observations ... (see below).

Traill County ...

Hillsboro is located in Traill County<4> and is the County Seat for Traill County.

The county had a population of 8,121 people at the 2010 Census. With it's population of 1,603 people, Hillsboro represented 19.74% of the county's total.

In addition, where the city of Hillsboro has a population density of 1,465 people per square mile [565 people/km²], Traill County averages 9.42 people per square mile [3.64 people/km²].

For more information, please visit our Census Page for Traill County.

Census-to-Census Observations ...

Introduction ...

When the Census Bureau takes a census count (or enumeration) for Hillsboro, 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 Hillsboro. It's important to note that from one Census to the next, the shape and location of the polygon can change.

  • Continue Reading ...
    • Although we don't have specific information about the shape of the polygon for Hillsboro or how it changed has over time, there is some information that can give us some hints. For example, since the shape of the sampling area is directly related to the shape of the polygon, any change to area probably indicates a new shape for the polygon.
    • If you need precision or details about the methodology of the Census, you should visit the U.S. Census Bureau for a definitive answer.

Location ...

While generally coinciding with the GPS location (latitude/longitude) of Hillsboro, the latitude and longitude given by the Census Bureau actually indicates the GPS location of the polygon for Hillsboro.

  • Continue Reading ...
    • For the 2010 Census, the location was given as:
    • Lat:   47.402952°   (or 47°24'10" N)
    • Lon:   -97.063216°   (or -97°3'47" W)
    • For the 2000 Census, the location given was:
    • Lat:   47.403960°   (or 47°24'14" N)
    • Lon:   -97.060531°   (or -97°3'37" W)
    • The difference indicates that the U.S. Census Bureau moved the location of the polygon for the 2010 Census 757 feet to the southwest<5> 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 (#1036092) to Hillsboro. This identifier also marks a GPS point on the map, and that point lies within the boundaries of Hillsboro. The GNIS point has been mapped to the latitude/longitude:
    • Lat:   47.402757°   (or 47°24'9" N)
    • Lon:   -97.061753°   (or -97°3'42" W)
    • The GPS location given for the 2010 Census lies 368 feet to the west<6> of the point given by the GNIS for Hillsboro. For more information about this and the relationship of the various Federal Codes, please visit our Misc Page for Hillsboro.

Miscellaneous Information for Hillsboro ...

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 Traill County or the city of Hillsboro:

  • The GNIS Codes ...
    • The current system of identification is called the Geographic Names Information System (GNIS). The following GNIS codes relate to Hillsboro:
    • GNIS ID for Hillsboro: 1036092
    • GNIS ID for Traill County: 1034221
    • GNIS ID for State of North Dakota: 1779797
  • Misc. Census Codes ...
    • Hillsboro 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 Hillsboro.

Other Roadside Stops ...

Find a Community located in North Dakota

About Traill County

About North Dakota

Off-the-Road Links ...

Unfortunately, we don't know of a website for Hillsboro. If you can help, please contact us through our Feedback Page.

The official website for State of North Dakota:

The official website of the U.S. Census Bureau

The official website of the U.S. Board on Geographic Names (BGN)

The official website of the U.S. Geological Survey (USGS)

Footnotes ...

<1>Every year, the US Census Bureau creates a population estimate for the preceeding year. Keep in mind that this value is an estimate and not an actual count. The most recent Census estimate is for the year 2019.
<2>Every 10 years (eg- 1990, 2000, 2010), the US Census Bureau conducts a Constitutionally-mandated count (or enumeration) of people living within the United States. This count is called a Decennial Census. The last Decennial Census was the 2010 Census, with the next one planned for 2020.
<3>A Housing Unit is a broad term for those places where people live (whether occupied or temporarily vacant), such as a house, an apartment, a mobile home, or an area that is considered as a separate living quarter. Separate living quarters (consisting of one or more rooms) are considered to be those places where people live, sleep and eat separately from others and that have access to the outside (either directly or by a shared hallway).
<4>If you're interested in how the shape of North Dakota's counties, including Traill, have changed over time, we recommend the Atlas of Historical County Boundaries.
<5>The calculated bearing (or angle) to the 2010 Census location is 119 degrees and a distance of 757 feet.
<6>The calculated bearing (or angle) to the GNIS point is 78 degrees and a distance of 368 feet.






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This page was last modified: 18 Apr 2022