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Fort Peck, Montana

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Census Data for Fort Peck ...

Population ...

The most recent Census Estimate<1> was for 2019 and it gave Fort Peck a population of 238 people.

The last Decennial Census<2> was in 2010, which gave Fort Peck a population of 233 people.

The community of Fort Peck is located in Valley County. The 2010 Census gave Valley County; a population of 7,369 people. This means that Fort Peck had 3.16% of the county's total population, making it Valley's 3rd most populous community.

At the same time, Montana had a population of 989,415 people, meaning that Fort Peck had 0.02% of the total population of Montana - making it the state's 101st most populous community.

Area ...

The 2010 Census shows that the sampling area for Fort Peck has a total area of 0.86 square miles [2.2 km²].

Valley County has a land area of 4,925 square miles [12,757.8 km²]. At 0.86 square miles [2.2 km²], Fort Peck has 0.02% of the county's total land area.

  • Continue Reading ...
    • When the Census Bureau conducts a census for a community like Fort Peck, 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 community.
    • Things like population, area and housing for Fort Peck reflect the sampling area. Since the shape of the sampling area and the actual boundaries of Fort Peck 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:   48° 0' 25"   (or 48.01°)
    • Lon:   -106° 27' 18"   (or -106.46°)
    • 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, Fort Peck had 110 Housing Units<3> and with its population of 233 people, this averages 2.12 people per Housing Unit.

  • Continue Reading ...
    • The 2010 Census shows Fort Peck had a land area of 0.86 square miles [2.2 km²]. This translates to 128.2 Housing Units per square mile [49.5 housing units/km²].
    • From the Census of 2000: Fort Peck had 99 Housing Units, a population of 240 people and a land area of 0.87 square miles [2.3 km²]. This gives a density of 2.42 people per Housing Unit and 113.4 Housing Units per square mile [43.79 housing units/km²].
    • Note: Repeating the caution above (under Population Density), be aware that when comparing Housing Units between the 2010 Census and the 2000 Census, there were changes in the sampling area for Fort Peck and you need to be careful when comparing between the censuses. More information about these differences can be found in the section called Census-to-Census Observations ... (see below).

Valley County ...

Fort Peck is located in Valley County<4>.

The county had a population of 7,369 people at the 2010 Census. With it's population of 233 people, Fort Peck represented 3.16% of the county's total.

In addition, where the community of Fort Peck has a population density of 271.6 people per square mile [104.9 people/km²], Valley County averages 1.5 people per square mile [0.58 people/km²].

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

Census-to-Census Observations ...

Introduction ...

When the Census Bureau takes a census count (or enumeration) for Fort Peck, 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 Fort Peck. 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 Fort Peck 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 Fort Peck, the latitude and longitude given by the Census Bureau actually indicates the GPS location of the polygon for Fort Peck.

  • Continue Reading ...
    • For the 2010 Census, the location was given as:
    • Lat:   48.007093°   (or 48°0'25" N)
    • Lon:   -106.455273°   (or -106°27'18" W)
    • For the 2000 Census, the location given was:
    • Lat:   48.007858°   (or 48°0'28" N)
    • Lon:   -106.450327°   (or -106°27'1" W)
    • The difference indicates that the U.S. Census Bureau moved the location of the polygon for the 2010 Census 1,238 feet to the west<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 (#2412642) to Fort Peck. This identifier also marks a GPS point on the map, and that point lies within the boundaries of Fort Peck. The GNIS point has been mapped to the latitude/longitude:
    • Lat:   48.007269°   (or 48°0'26" N)
    • Lon:   -106.454870°   (or -106°27'17" W)
    • The GPS location given for the 2010 Census lies 117.4 feet to the southwest<6> of the point given by the GNIS for Fort Peck. For more information about this and the relationship of the various Federal Codes, please visit our Misc Page for Fort Peck.

Miscellaneous Information for Fort Peck ...

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 Valley County or the community of Fort Peck:

  • The GNIS Codes ...
    • The current system of identification is called the Geographic Names Information System (GNIS). The following GNIS codes relate to Fort Peck:
    • GNIS ID for Fort Peck: 2412642
    • GNIS ID for Valley County: 1678923
    • GNIS ID for State of Montana: 767982
  • The FIPS Codes ...
  • Misc. Census Codes ...
    • Fort Peck is located in Census Region #4 (the West Region) and Division #8 (the Mountain Division).

For more information about the various Federal identification codes, please visit our Misc Page for Fort Peck.

Other Roadside Stops ...

Find a Community in Montana

About Valley County

About Montana

Off-the-Road Links ...

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

The official website for State of Montana:

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 Montana's counties, including Valley, have changed over time, we recommend the Atlas of Historical County Boundaries.
<5>The calculated bearing (or angle) to the 2010 Census location is 103 degrees and a distance of 1,238 feet.
<6>The calculated bearing (or angle) to the GNIS point is 123 degrees and a distance of 117.4 feet.






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This page was last modified: 27 Apr 2022