Ogle County Population 2017

Ogle County's estimated population is 51,273 with a growth rate of -0.74% in the past year according to the most recent United States census data. Ogle County is the 28th largest county in Illinois.

Year Population Growth Growth Rate
201651,273-384-0.74%
201551,657-410-0.79%
201452,067-274-0.52%
201352,341-493-0.93%
201252,834-316-0.59%
201153,150-293-0.55%
201053,4437,48616.29%
199045,957-381-0.82%
198046,3383,4718.10%
197042,8674,76112.49%
196038,1064,67713.99%
195033,4293,56011.92%
194029,8691,7516.23%
193028,1181,2884.80%
192026,830-1,034-3.71%
191027,864-1,265-4.34%
190029,1294191.46%
189028,710-1,227-4.10%
188029,9372,4458.89%
187027,4924,60420.12%
186022,88812,868128.42%
185010,0206,541188.01%
18403,4790.00%

Ogle County Population Growth

Population Data via

Ogle County Race Data

Race Population Percentage
White49,91597.35%
Two or More Races6681.30%
Black or African American5511.07%
Asian2970.58%
American Indian and Alaska Native1910.37%
Native Hawaiian and Other Pacific Islander350.07%

Ogle County Population Pyramid

0k1k1k2k2kOgle County Male Population0k1k1k2k2kOgle County Female Population

Population of Cities in Ogle County

City 2010 Census 2016 Estimated Growth Growth Rate
Rochelle95749227-347-3.62%
Byron37533625-128-3.41%
Oregon37213545-176-4.73%
Mount Morris29982852-146-4.87%
Davis Junction23732249-124-5.23%
Polo23552229-126-5.35%
Forreston14461366-80-5.53%
Stillman Valley11201062-58-5.18%
Creston662642-20-3.02%
Monroe Center471451-20-4.25%
Leaf River443413-30-6.77%
Data Sources
  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990