Ogle County, Illinois Demographics 2026

Name: Ogle County, Illinois Demographics
Creator: U.S. Census Bureau
License: https://www.census.gov/data/developers/about/terms-of-service.html

Ogle County, Illinois has a population of 51,495, the 28th most populous county in Illinois. The median household income is $82,132 and the median home value is $189,200. The poverty rate is 8.4%.

Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes

Ogle County Quick Facts

Population 51,495

Median Household Income $82,132

Median Home Value $189,200

Poverty Rate 8.4%

Unemployment Rate 5.0%

Median Age 42.2 years

Homeownership Rate 75.4%

Affordability Ratio 2.3x

Bachelor's Degree+ 24.3%

High School Graduation 91.1%

Cities/Places 18

Population 51,495 28th of 102

Median Income $82,132 2% lower than state

Poverty Rate 8.4%

Unemployment 5.0%

How Ogle County Changed

Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.

Metric	2019–2023	2020–2024	Change
Population	51,536	51,495	-0.1%
Median household income	$79,244	$82,132	+3.6%
Median home value	$184,100	$189,200	+2.8%

Median Household Income

Ogle

$82,132

$83,390

National

$80,734

Median Home Value

Ogle

$189,200

$263,300

National

$332,700

Economy & Housing

Household Income Distribution

Under $25K 12.8%

$25K-$50K 16.4%

$50K-$100K 32.9%

$100K+ 37.9%

Detailed income brackets

Under $10K

3.7%

$10K-$15K

2.2%

$15K-$20K

3.1%

$20K-$25K

3.8%

$25K-$30K

2.9%

$30K-$35K

3.9%

$35K-$40K

3.3%

$40K-$45K

3.2%

$45K-$50K

3.0%

$50K-$60K

5.8%

$60K-$75K

10.3%

$75K-$100K

16.8%

$100K-$125K

12.2%

$125K-$150K

9.0%

$150K-$200K

8.5%

$200K+

8.3%

Employment

5.0% Unemployment Rate State: 5.8%|National: 5.2%

61.6% Labor Force Participation

Housing Overview

Owner 75.4%

Renter 24.6%

Affordability Index Very Affordable

2.3x home value to income ratio

Median gross rent $936/mo 13.7% of median household income annually

People & Demographics

Age Distribution

Under 18

22.2%

18-34

19.0%

35-54

24.5%

55-74

25.5%

75+

8.8%

Race & Ethnicity

Diversity Index

Low Diversity

A less diverse community where one racial or ethnic group represents a large majority.

State average: 61 | National average: 61

Education

Educational Attainment (Adults 25+)

Cities & Places in Ogle County

City	Population	Median Income	Poverty	Home Value
Rochelle	9,529	$66,307	7.9%	$164,300
Oregon	3,851	$71,841	14.8%	$142,600
Byron	3,743	$78,852	10.5%	$198,700
Davis Junction	2,757	$107,833	8.6%	$205,500
Mount Morris	2,726	$45,726	13.8%	$121,800
Polo	2,495	$63,080	20.5%	$109,600
Hillcrest	1,824	$80,568	9.6%	$164,200
Forreston	1,360	$70,676	5.7%	$129,900
Stillman Valley	1,260	$87,833	8.6%	$175,800
Lost Nation	714	$108,964	4.3%	$236,300
Creston	550	$66,667	9.1%	$167,400
Leaf River	477	$79,500	12.8%	$94,000
Monroe Center	369	$93,056	4.9%	$164,700
Kings	332	$68,750	0.0%	$176,400
Grand Detour	297	$76,406	3.0%	$191,700
Holcomb	152	$68,125	21.7%	$130,600
Baileyville	99	$21,007	3.0%	$822,900
Adeline	82	$65,313	4.9%	$97,500

Explore Illinois Rankings

Cities by Population All cities ranked by size Richest Cities Ranked by median income Most Educated By bachelor's degree rate Most Affordable By housing affordability

Population Overview

Ogle County is located in Illinois with a total population of 51,495. It is the 28th most populous county out of 102 in Illinois. The county encompasses 18 Census-designated places.

Age Demographics

The median age in Ogle County is 42.2 years. This is 8% higher than the state median of 39.0 years.

Economy, Income & Housing

The median household income in Ogle County is $82,132. This is 2% lower than the state median of $83,390. It is also 2% higher than the national median of $80,734. The poverty rate stands at 8.4%. This is 29% lower than the state poverty rate of 11.8%. The unemployment rate is 5.0%. This is 14% lower than the state rate of 5.8%. The median home value is $189,200. Housing costs are 28% lower than the state median of $263,300. With a home-value-to-income ratio of just 2.3x, Ogle County is one of the most affordable housing markets in the area. 75.4% of occupied housing units are owner-occupied. This homeownership rate is 12% higher than the state average of 67.1%.

Race & Ethnicity

The largest racial or ethnic group in Ogle County is White (non-Hispanic), making up 83.0% of the population. Hispanic or Latino residents account for 11.9%. The Black or African American population (1.2%) is well below the state average of 13.3%. The Asian population (0.6%) is well below the state average of 5.9%.

Education

24.3% of residents aged 25 and older hold a bachelor's degree or higher. This is 36% lower than the state rate of 37.9%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 91.1%.

Data Sources & Methodology

All figures for Ogle County come from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates, with comparisons drawn against Illinois and national averages from the same dataset. See our methodology page for how each metric is defined, or data.census.gov for official tables with margins of error.

Frequently Asked Questions

What is the population of Ogle County, Illinois?

Ogle County has a population of 51,495, making it the 28th most populous county in Illinois.

What is the median income in Ogle County?

The median household income in Ogle County is $82,132 with a poverty rate of 8.4%.

How many cities are in Ogle County, Illinois?

Ogle County contains 18 Census-designated places.