{{Infobox U.S. County
| county  = Ogle County
| state = Illinois 
| seal = 
| map = Ogle County Illinois.png 
| map size = 125
| founded = January 16, 1836 
| seat = Oregon 
| largest city = Rochelle 
| area_total_sq_mi =763
| area_land_sq_mi =759
| area_water_sq_mi =4
| area percentage = 0.58% 
| census yr = 2000
| pop = 51032 
| density_sq_mi = 67
| density_km2 = 26
| time zone = Central
| UTC offset = -6
| DST offset= -5
| footnotes = 
| web = www.oglecounty.org
|}}

'''Ogle County''' is a Oregon.

The Rochelle Micropolitan Statistical Area includes all of Ogle County.

==History==
Ogle County was formed in 1836 out of Jo Daviess and LaSalle Counties, and named in honor of Captain Lee County was formed.

==Law and government==

==Geography==
According to the Winnebago County, to the northeast Boone, and to the northwest Stephenson. DeKalb County lies east of Ogle County, and Carroll to the west. South of Ogle County is Lee, and Whiteside County, which is to the southwest.

==Economy==
By 2000, 65% of the county labor force was employed as white collars with an increase of 20 points in comparaison with 1990 statistics. Manufacturing remains the leading employment sector absorbing more than 21.7% of the labor force though there was a decrease from 30,4% in 1995. However it is expected that services would replace manufacturing starting 2015 as the leading activity.<ref name="ecodata"></ref>

Agriculture remains an important sector of the county. The main products are corn and soybeans. In 2003, according to the
Illinois Department of Agriculture, Ogle County was ranked 17th in the State for crop cash receipts, and 14th in
the state for livestock cash receipts. As for livestock production, hogs and pigs are still leading even though productions decreased from 57,000 units in 1998 to 48,900 in 2002.<ref name="ecodata"/>

The county also got some investment packages such as the building a $180 million truck-to-train cargo hub.<ref></ref> In August 2006, it was announced that a new ethanol production facility would receive a package of $5.5 million Opportunity Returns grant from the State.<ref></ref>

==Demographics==
thumb|left|300px|The Ogle County Judicial Center, across the street from the [[Old Ogle County Courthouse in Oregon, Illinois.]]
{{USCensusPop	
| 1900=	29129
| 1910=	27864
| 1920=	26830
| 1930=	28118
| 1940=	29869
| 1950=	33429
| 1960=	38106
| 1970=	42867
| 1980=	46338
| 1990=	45957
| 2000=	51032
| footnote=[http://www.census.gov/population/cencounts/il190090.txt IL Counties 1900-1990]	
}}	
As of the White, 0.44% Black or African American, 0.24% Native American, 0.42% Asian, 0.04% Pacific Islander, 2.45% from other races, and 1.06% from two or more races.  6.01% of the population were Hispanic or Latino of any race. 34.1% were of German, 10.3% Irish, 9.7% American, 7.9% English and 5.1% Swedish ancestry according to Census 2000.

There were 19,278 households out of which 35.50% had children under the age of 18 living with them, 61.30% were married couples living together, 8.30% had a female householder with no husband present, and 26.50% were non-families. 22.50% of all households were made up of individuals and 9.80% had someone living alone who was 65 years of age or older.  The average household size was 2.62 and the average family size was 3.07.

{{Infobox County (Vereinigte Staaten)
|BUNDESSTAAT=Illinois
|COUNTY=Ogle County
|SITZ=Oregon
|GRUENDUNG=16. Januar 1836
|GEBILDET_AUS=Jo Daviess County
|EINWOHNER=51032
|STAND_EINWOHNER=2000
|FLAECHE=1977
|WASSER_FLAECHE=11
|VORWAHL=001 815
|ADRESSE=Ogle County Courthouse<br />P.O. Box 357<br />Oregon, IL 61061
|WEBSITE=
}}
Das '''Ogle County''' ist ein County im US-Bundesstaat Vereinigten Staaten. Im Jahr 2000 hatte das County 51.032 Einwohner und eine Bevölkerungsdichte von 26 Einwohner / km². Der Sitz der County-Verwaltung (Oregon.

== Geographie ==
Das County liegt im Norden von Illinois, etwa 60 km von Winnebago County, Boone County, DeKalb County, Lee County, Carroll County und Stephenson County.

== Geschichte ==
Ogle County wurde am 16. Januar 1836 aus Teilen des Jo Daviess County gebildet. Benannt wurde es nach Joseph Ogle, einem Pionier, Politiker und Captain der territorialen Miliz.

Am 3. Januar 1837 fand die erste offizielle Sitzung der County-Verwaltung statt und Oregon wurde als Verwaltungssitz gewählt. Wegen heftiger Differenzen mit dem Süden des County spaltete sich dieses am 27. Februar 1839 ab und wurde zum Lee County mit Dixon als Sitz der County-Verwaltung. Im gleichen Jahr wurde Oregon umbenannt in ''Florence'', 1843 aber wieder zurückbenannt in Oregon. Das heute noch benutzte Gerichtsgebäude wurde 1891 für rund 107.000 Dollar für Gebäude und Einrichtung erbaut. 1984 wurde es für 1,5 Millionen USD renoviert.

== Naherholungsgebiete ==
Ogle County unterhält mehrere Naherholungsgebiete:
* Den ''White Pines State Park'' zwischen Polo und Oregon
* Den ''Lowden Memorial Park'', etwa 2 km nördlich von Oregon am Ost-Ufer des Rock River mit der etwa 20 Meter hohen ''Blackhawk-Statue''
* Den ''Castle Rock State Park'' an der "Illinois Route 2" im Süden von Oregon und
* Den ''Lowden-Miller State Forest'' etwa 8 km südlich von Oregon.

== Bevölkerungsentwicklung ==
{| style="border-style:solid;border-width:1px;border-color:#808080;background-color:#EFEFEF" cellspacing="2" cellpadding="2" width="200px"
|- bgcolor="#EFEFEF"
! 1980
! 1990
! 2000
|- align="center" valign="top" bgcolor="#BFEFFF"
| align="left" | 46.291
| align="left" | 45.957
| align="left" | 51.032
|}