United States › Illinois › Stephenson County COUNTY · 2000 CENSUS
Stephenson County Illinois · 48,979 residents · 564 sq mi
Time machine
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The short version
With 48,979 people, Stephenson County is a county in Illinois. 16% of adults hold a bachelor's degree or higher. At a median age of 38.5, this is an older place than the country as a whole. 75% of homes are owner-occupied. Home values have risen by half since 1990, reaching $80,400. Renters pay $433 a month at the median.
At a glance
Lower income
below the US median
US median: $42,589
Older
median age 38.5
US median: 35.2
Less educated
16% hold a bachelor's degree
US average: 24%
Stable housing
home values roughly flat, inflation adjusted
US median home: $120,530
Section 01
Population & growth from 35.0 in 1990
US average: 35.2
Population, 1990 – 2024
43K 45K 46K 48K 50K 1990 2000 2010 2020 2024 Stephenson County Age distribution, 2000
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02
Income & economy $40,366
+8%inflation adjusted, since 1990
from $28,340 in 1990
US average: $42,589
from $13,156 in 1990
US average: $21,522
from 9.9% in 1990
US average: 12.4%
$80,400
+21%inflation adjusted, since 1990
from $50,500 in 1990
US average: $120,530
$433
+2%inflation adjusted, since 1990
from $321 in 1990
US average: $602
from 71.2% in 1990
25.2% rent
Section 04
Race & ethnicity 1990
White, non-Hispanic 92.8%(44,588)
Hispanic / Latino 0.7%(328)
2000
White, non-Hispanic 88.6%(43,404)
Hispanic / Latino 1.5%(747)
No data for the years selected.
Section 04 · Origins
Detailed origins & ancestry Detailed origin tables are available for 2024; showing 2024 data.
Ancestry
+ 28 more ancestry groups with data from 13.6% in 1990
US average: 24.4%
High school or higher
from 76.7% in 1990
US average: 80.3%
from 3.9% in 1990
US average: 8.8%
Section 06
Commute & transportation from 21.8 min in 1990
US average: 17.6
Section 07
Work & employment No data for the years selected.
Section 08
People & community No data for the years selected.
Marital status
Women 15+
Never married 20.5%(4,165)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2000
Section 09
Health coverage Showing 2024 (the nearest year with coverage data).
from 10.7% in 2013
US average: 8.4%
from 47.6% in 2020
US average: 54.8%
Direct-purchase
from 16.6% in 2020
US average: 13.8%
from 24.6% in 2020
US average: 18.4%
from 24.9% in 2020
US average: 20.9%
VA health care
from 2.7% in 2020
US average: 2.2%
Any private
from 62.0% in 2020
US average: 67.1%
Any public
from 47.4% in 2020
US average: 36.7%
Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.
Section 09 · Service history
Veterans Veterans by period of service, 2024
Gulf War (2001 or later) 11.6%(297)
Gulf War (1990s) 21.7%(557)
Share of the 2,567 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Drill deeper
Places similar to Stephenson County Head to head
Compare Stephenson County to nearby counties STEPHENSON COUNTY VS
Green County
Income $82,852 +105%
Home value $250,200 +211%
Population 37,227 −14%
SEE FULL COMPARISON →
STEPHENSON COUNTY VS
Carroll County
Income $60,758 +51%
Home value $114,500 +42%
Population 15,419 −64%
SEE FULL COMPARISON →
STEPHENSON COUNTY VS
Winnebago County
Income $65,837 +63%
Home value $164,500 +105%
Population 283,674 +556%
SEE FULL COMPARISON →
STEPHENSON COUNTY VS
Ogle County
Income $82,132 +103%
Home value $189,200 +135%
Population 51,399 +19%
SEE FULL COMPARISON →
Frequently asked
How many people live in Stephenson County, Illinois? Stephenson County, Illinois has about 48,979 residents according to the 2000 Census.
What is the median household income in Stephenson County, Illinois? The typical household in Stephenson County, Illinois earns about $40,366 a year. Half of households make more than that, and half make less.
Is Stephenson County, Illinois expensive? In Stephenson County, Illinois, the median home is worth about $80,400, and the typical rent is about $433 a month.
How educated are people in Stephenson County, Illinois? About 15.6% of adults age 25 and over in Stephenson County, Illinois hold a bachelor's degree or higher.
What is the poverty rate in Stephenson County, Illinois? About 9.0% of people in Stephenson County, Illinois live below the federal poverty line.
Has Stephenson County, Illinois grown since 1990? Yes, Stephenson County, Illinois has grown since 1990. The population has added about 927 residents, a change of about 2 percent over that period.
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