Jefferson County vs Union County

A side-by-side comparison of Jefferson County and Union County: population, income, housing, and more.

Jefferson County and Union County are counties in Pennsylvania. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Jefferson County has the higher population (44,099 vs 42,570 in Union County). Union County has the higher median household income ($72,894 vs $56,898 in Jefferson County). Union County has the higher median home value ($222,900 vs $126,700 in Jefferson County).

Population, income & housing

	Jefferson County	Union County
Population	44,099	42,570
Median age	43.7 yrs	40.5 yrs
Median household income	$56,898	$72,894
Median home value	$126,700	$222,900
Median gross rent	$746	$944
Housing units	22,053	16,158
Homeownership rate	74.2%	71.4%
Bachelor's degree or higher	17.5%	26.4%
Unemployment rate	4.7%	2.3%

Trends (ACS 5-year, 2019–2023)

	Jefferson County	Union County
Population	43,846 → 44,099 (+0.6%)	45,111 → 42,570 (-5.6%)
Median household income	$47,603 → $56,898 (+19.5%)	$59,399 → $72,894 (+22.7%)
Median home value	$103,900 → $126,700 (+21.9%)	$189,500 → $222,900 (+17.6%)
Median gross rent	$669 → $746 (+11.5%)	$769 → $944 (+22.8%)

Jefferson County

Population

43,84644,099

Median household income

$47,603$56,898

Median home value

$103,900$126,700

Median gross rent

$669$746

Union County

Population

45,11142,570

Median household income

$59,399$72,894

Median home value

$189,500$222,900

Median gross rent

$769$944

Age & race/ethnicity

Age distribution (share)

	Jefferson County	Union County
Under 5	5.5%	4.3%
5 to 17	16.0%	13.2%
18 to 24	7.2%	14.0%
25 to 34	11.2%	12.0%
35 to 44	11.4%	12.4%
45 to 54	12.1%	12.2%
55 to 64	15.1%	12.5%
65 to 74	12.7%	10.5%
75 and over	9.0%	9.0%

Race & ethnicity (share)

	Jefferson County	Union County
White (non-Hispanic)	96.1%	86.1%
Black or African American	0.4%	5.8%
American Indian & Alaska Native	0.1%	0.1%
Asian	0.2%	1.7%
Native Hawaiian & Pacific Islander	0.0%	0.0%
Some other race	0.3%	0.3%
Two or more races	2.0%	1.2%
Hispanic or Latino	1.0%	4.9%

Educational attainment (age 25+)

Share of adults 25+

	Jefferson County	Union County
No high school diploma	8.6%	13.3%
High school graduate	51.6%	41.3%
Some college or associate's	22.3%	18.9%
Bachelor's degree	11.8%	14.5%
Graduate or professional degree	5.7%	12.0%

Commute to work

How workers get to work (share)

	Jefferson County	Union County
Drove alone	81.1%	72.0%
Carpooled	7.9%	7.5%
Public transit	0.5%	0.3%
Walked	3.4%	9.7%
Bicycle	0.2%	1.9%
Worked from home	5.1%	7.5%
Other means	1.7%	1.0%

Housing

Units in structure (share)

	Jefferson County	Union County
1-unit, detached	77.7%	71.0%
1-unit, attached	1.3%	5.7%
2 to 4 units	7.4%	6.2%
5 to 19 units	2.9%	5.6%
20 or more units	2.5%	3.2%
Mobile home & other	8.3%	8.3%

Poverty & households

	Jefferson County	Union County
Poverty rate	15.3%	9.7%
Average household size	2.38	2.36
Mean commute (minutes)	24	18
Median year structure built	1962	1973