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COUNTY · 2000 CENSUS

Jefferson County

Pennsylvania · 45,932 residents · 652 sq mi
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The short version

Jefferson County is a county of 45,932 people in Pennsylvania. Four-year degrees are less common here than nationally, at 12% of adults. The median age is 39.8, about 5 years above the US median. The typical home is worth $59,600. 77% of homes are owner-occupied. Households here earn about 21% less than in Pennsylvania as a whole.

At a glance
Lower income
below the US median
US median: $42,589
Older
median age 39.8
US median: 35.2
Less educated
12% 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

Total population
45,932
Unchangedsince 1990
from 46,083 in 1990
1990 – 2025
Median age
39.8
+11%since 1990
from 35.8 in 1990
US average: 35.2
Land area
652 sq mi
Population, 1990 – 2024
44K44K45K46K46K19902000201020202024Jefferson County
202444K
1990201020202024
Age distribution, 2000
Under 55.5%(2,542)
US avg: 6.8%
5 to 96.4%(2,919)
US avg: 7.3%
10 to 147.1%(3,244)
US avg: 7.3%
15 to 197.3%(3,369)
US avg: 7.2%
20 to 245%(2,294)
US avg: 6.7%
25 to 3411.6%(5,341)
US avg: 14.2%
35 to 4415.6%(7,164)
US avg: 16%
45 to 5413.6%(6,225)
US avg: 13.4%
55 to 6410%(4,608)
US avg: 8.6%
65 to 748.9%(4,073)
US avg: 6.5%
75 to 846.7%(3,079)
US avg: 4.4%
85 and over2.3%(1,074)
US avg: 1.5%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$31,722
+9%inflation adjusted, since 1990
from $22,063 in 1990
US average: $42,589
1990 – 2024
Per capita income
$16,186
+53%since 1990
from $10,580 in 1990
US average: $21,522
Poverty rate
11.8%
−1.8 ptssince 1990
from 13.6% in 1990
US average: 12.4%
Section 03

Housing

Median home value
$59,600
+6%inflation adjusted, since 1990
from $42,500 in 1990
US average: $120,530
1990 – 2024
Median gross rent
$377
Unchangedinflation adjusted, since 1990
from $285 in 1990
US average: $602
Owner-occupied
77.1%
Unchangedsince 1990
from 77.2% in 1990
22.9% rent
Section 04

Race & ethnicity

1990
White, non-Hispanic99.7%(45,926)
Black0.1%(33)
Hispanic / Latino0.1%(68)
Asian0%(20)
2000
White, non-Hispanic98.7%(45,320)
Black0.1%(49)
Hispanic / Latino0.4%(188)
Asian0.2%(94)

No data for the years selected.

Section 04 · Origins

Detailed origins & ancestry

Detailed origin tables are available for 2024; showing 2024 data.

Hispanic origin
Mexican0.3%(144)
Puerto Rican0.3%(129)
Spaniard0.3%(113)
Argentine0%(20)
Cuban0%(7)
Asian origin
Chinese0.2%(79)
Asian Indian0.1%(29)
Ancestry
German27.8%(12,202)
Irish11.8%(5,162)
English10.4%(4,562)
Italian9.1%(3,979)
American6.5%(2,871)
Polish4%(1,735)
Scottish1.7%(726)
Dutch1.6%(722)
Scotch-Irish1.6%(698)
French1.3%(574)
Slovak1.3%(572)
Swedish1.3%(555)
+ 26 more ancestry groups with data
Swiss0.6%(285)
Welsh0.6%(262)
British0.4%(180)
Lithuanian0.3%(149)
Hungarian0.3%(144)
Romanian0.2%(100)
Russian0.2%(95)
Norwegian0.2%(69)
Czech0.1%(61)
Austrian0.1%(58)
Greek0.1%(58)
Croatian0.1%(51)
Ukrainian0.1%(44)
Canadian0.1%(26)
Danish0.1%(26)
Portuguese0.1%(23)
Arab0%(16)
Lebanese0%(16)
Slovene0%(12)
Belgian0%(4)
Finnish0%(1)
Section 05

Education

Bachelor's degree or higher
11.7%
+2.8 ptssince 1990
from 8.9% in 1990
US average: 24.4%
High school or higher
81.0%
+8.4 ptssince 1990
from 72.6% in 1990
US average: 80.3%
Graduate degree
4.0%
+0.7 ptssince 1990
from 3.3% in 1990
US average: 8.8%
Section 06

Commute & transportation

Average commute
15.3 min
−16%since 1990
from 18.2 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
Men 15+
Never married25.6%(4,618)
Married62.4%(11,246)
Widowed3.9%(711)
Divorced8%(1,436)
Women 15+
Never married18.9%(3,627)
Married59%(11,338)
Widowed13.7%(2,632)
Divorced8.4%(1,605)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2000
Section 09

Health coverage

Showing 2024 (the nearest year with coverage data).

Uninsured
8.5%
−3.5 ptssince 2013
from 12.0% in 2013
US average: 8.4%
Employer-based
50.3%
−1.0 ptssince 2020
from 51.3% in 2020
US average: 54.8%
Direct-purchase
14.7%
−0.2 ptssince 2020
from 14.9% in 2020
US average: 13.8%
Medicare
23.7%
+0.7 ptssince 2020
from 23.0% in 2020
US average: 18.4%
Medicaid
25.1%
+0.4 ptssince 2020
from 24.7% in 2020
US average: 20.9%
VA health care
2.6%
+0.2 ptssince 2020
from 2.4% in 2020
US average: 2.2%
Any private
64.0%
−1.0 ptssince 2020
from 65.0% in 2020
US average: 67.1%
Any public
45.1%
+0.9 ptssince 2020
from 44.2% 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)17.4%(476)
US avg: 26.4%
Gulf War (1990s)22.1%(606)
US avg: 24.3%
Vietnam era33.3%(912)
US avg: 33.1%
Korean War6.7%(184)
US avg: 4.5%
World War II0.9%(25)
US avg: 1%

Share of the 2,740 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

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Pop 42,608
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Pop 42,013
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Pop 45,514
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Pop 40,953
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Head to head

Compare Jefferson County to nearby counties

JEFFERSON COUNTY VS
Clarion County
Income$62,649+97%
Home value$155,700+161%
Population36,680−15%
SEE FULL COMPARISON →
JEFFERSON COUNTY VS
Elk County
Income$66,380+109%
Home value$133,600+124%
Population29,926−31%
SEE FULL COMPARISON →
JEFFERSON COUNTY VS
Forest County
Income$52,191+65%
Home value$115,300+93%
Population6,614−85%
SEE FULL COMPARISON →
JEFFERSON COUNTY VS
Clearfield County
Income$62,152+96%
Home value$137,000+130%
Population78,100+81%
SEE FULL COMPARISON →
Frequently asked

How many people live in Jefferson County, Pennsylvania?

Jefferson County, Pennsylvania has about 45,932 residents according to the 2000 Census.

What is the median household income in Jefferson County, Pennsylvania?

The typical household in Jefferson County, Pennsylvania earns about $31,722 a year. Half of households make more than that, and half make less.

Is Jefferson County, Pennsylvania expensive?

In Jefferson County, Pennsylvania, the median home is worth about $59,600, and the typical rent is about $377 a month.

How educated are people in Jefferson County, Pennsylvania?

About 11.7% of adults age 25 and over in Jefferson County, Pennsylvania hold a bachelor's degree or higher.

What is the poverty rate in Jefferson County, Pennsylvania?

About 11.8% of people in Jefferson County, Pennsylvania live below the federal poverty line.

Has Jefferson County, Pennsylvania grown since 1990?

Yes, Jefferson County, Pennsylvania has shrunk since 1990. The population has lost about 151 residents, a change of about -0 percent over that period.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →