Census Data for Oshkosh ...
The most recent Census Estimate<1> was for 2019 and it gave Oshkosh a population of 66,933 people.
The last Decennial Census<2> was in 2010, which gave Oshkosh a population of 66,083 people.
The city of Oshkosh is located in Winnebago County. The 2010 Census gave Winnebago County; a population of 166,994 people. This means that Oshkosh had 39.57% of the county's total population, making it Winnebago's most populous community.
At the same time, Wisconsin had a population of 5,686,986 people, meaning that Oshkosh had 1.16% of the total population of Wisconsin - making it the state's 8th most populous community.
The 2010 Census shows that the sampling area for Oshkosh has a total area of 26.61 square miles [68.9 km²]. Of this total, 25.59 square miles [66.3 km²] is land, with the balance (3.82%) being water (1.02 square miles [2.6 km²]).
Winnebago County has a land area of 434.5 square miles [1,125.3 km²]. At 25.59 square miles [66.3 km²], Oshkosh has 5.89% of the county's total land area.
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- When the Census Bureau conducts a census for a city like Oshkosh, 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 Oshkosh reflect the sampling area. Since the shape of the sampling area and the actual boundaries of Oshkosh 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: 44° 1' 21" (or 44.02°)
- Lon: -88° 33' 44" (or -88.56°)
- 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, Oshkosh had 28,179 Housing Units<3> and with its population of 66,083 people, this averages 2.35 people per Housing Unit.
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- The 2010 Census shows Oshkosh had a land area of 25.59 square miles [66.3 km²]. This translates to 1,059 Housing Units per square mile [408.9 housing units/km²].
- From the Census of 2000: Oshkosh had 25,420 Housing Units, a population of 62,916 people and a land area of 23.63 square miles [61.2 km²]. This gives a density of 2.48 people per Housing Unit and 1,041 Housing Units per square mile [402 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 Oshkosh and you need to be careful when comparing numbers between the censuses. More information about these differences can be found in the section called Census-to-Census Observations ... (see below).
Winnebago County ...
The community of Oshkosh is located in Winnebago County<4> and is the County Seat for Winnebago County.
The county had a population of 166,994 people at the 2010 Census. With it's population of 66,083 people, Oshkosh represented 39.57% of the county's total.
In addition, where the city of Oshkosh has a population density of 2,483 people per square mile [958 people/km²], Winnebago County averages 384.3 people per square mile [148.4 people/km²].
For more information, please visit our Census Page for Winnebago County.
Census-to-Census Observations ...
When the Census Bureau takes a census count (or enumeration) for Oshkosh, 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 Oshkosh. It's important to note that from one Census to the next, the shape and location of the polygon can change.
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- Although we don't have specific information about the shape of the polygon for Oshkosh 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.
While generally coinciding with the GPS location (latitude/longitude) of Oshkosh, the latitude and longitude given by the Census Bureau actually indicates the GPS location of the polygon for Oshkosh.
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- For the 2010 Census, the location was given as:
- Lat: 44.022628° (or 44°1'21" N)
- Lon: -88.562352° (or -88°33'44" W)
- For the 2000 Census, the location given was:
- Lat: 44.024983° (or 44°1'29" N)
- Lon: -88.551336° (or -88°33'4" W)
- The difference indicates that the U.S. Census Bureau moved the location of the polygon for the 2010 Census 3,012 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 (#1583876) to Oshkosh. This identifier also marks a GPS point on the map, and that point lies within the boundaries of Oshkosh. The GNIS point has been mapped to the latitude/longitude:
- Lat: 44.017762° (or 44°1'3" N)
- Lon: -88.554002° (or -88°33'14" W)
- The GPS location given for the 2010 Census lies 2,817 feet to the northwest<6> of the point given by the GNIS for Oshkosh. For more information about this and the relationship of the various Federal Codes, please visit our Misc Page for Oshkosh.
Miscellaneous Information for Oshkosh ...
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 Winnebago County or the city of Oshkosh:
- The GNIS Codes ...
- The current system of identification is called the Geographic Names Information System (GNIS). The following GNIS codes relate to Oshkosh:
- GNIS ID for Oshkosh: 1583876
- GNIS ID for Winnebago County: 1581129
- GNIS ID for State of Wisconsin: 1779806
- Misc. Census Codes ...
- Oshkosh is located in Census Region #2 (the Midwest Region) and Division #3 (the East North-Central Division).
For more information about the various Federal identification codes, please visit our Misc Page for Oshkosh.
Other Roadside Stops ...
Search for a Community in Wisconsin
About Winnebago County
Off-the-Road Links ...
The official website for Oshkosh: www.ci.oshkosh.wi.us/
The official website for Winnebago County: www.co.winnebago.wi.us/
The official website for State of Wisconsin: https://www.wisconsin.gov/
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)
|<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 Wisconsin's counties, including Winnebago, have changed over time, we recommend the Atlas of Historical County Boundaries.|
|<5>||The calculated bearing (or angle) to the 2010 Census location is 106 degrees and a distance of 3,012 feet.|
|<6>||The calculated bearing (or angle) to the GNIS point is 50 degrees and a distance of 2,817 feet.|