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The 2007 Census of Agriculture was conducted
by the USDA's National Agricultural Statistics Service to
obtain agricultural statistics for each county, State, and
the Nation. These data have been published in the Volume 1
Geographic Area Series. In addition, census data were used
to prepare an agricultural profile for each Illinois Senate
and House legislative district. Farms were assigned to districts
using the U.S. Congressional District profile methodology,
which was based on the principal county of operation.
The census definition of a farm is any place from which $1,000 or more of agricultural products were produced and sold, or normally would have been sold, during the census year. The definition has changed nine times since it was established in 1850. The current definition was first used for the 1974 Census of Agriculture and has been used in each subsequent agriculture census. This definition is consistent with the definition used for current USDA surveys.
The calendar year 2007 was the reference period for the
2007 Census of Agriculture except for the following which
were measured as of December 31, 2007: livestock, poultry,
and machinery and equipment inventories; market value of land
and buildings; and grain storage capacity. All published tables,
profiles, and complete information on current and previous
censuses can be accessed on the Internet at www.nass.usda.gov/il
by clicking on "Census of Agriculture for Illinois."
Each two-page profile contains farm characteristics,
graphs of current data, rankings for the district within the
State and selected economic and operator characteristics.
Note: Not all Illinois State House and
Senate profiles are available. In some cases, profiles are
suppressed in order to avoid disclosure of individual operations.