Karthaus vs Mahaffey

A side-by-side comparison of Karthaus and Mahaffey: population, income, housing, and more.

Karthaus and Mahaffey are places in Pennsylvania. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Mahaffey has the higher population (269 vs 255 in Karthaus). Mahaffey has the higher median household income ($55,000 vs $49,904 in Karthaus). Karthaus has the higher median home value ($114,100 vs $71,900 in Mahaffey).

Population, income & housing

	Karthaus	Mahaffey
Population	255	269
Median age	59.5 yrs	58.1 yrs
Median household income	$49,904	$55,000
Median home value	$114,100	$71,900
Median gross rent	—	$494
Housing units	93	169
Homeownership rate	95.4%	83.1%
Bachelor's degree or higher	8.8%	10.1%
Unemployment rate	0.0%	0.8%

Trends (ACS 5-year, 2019–2023)

	Karthaus	Mahaffey
Population	—	363 → 269 (-25.9%)
Median household income	—	$42,396 → $55,000 (+29.7%)
Median home value	—	$43,900 → $71,900 (+63.8%)
Median gross rent	—	$720 → $494 (-31.4%)

Karthaus

Mahaffey

Population

363269

Median household income

$42,396$55,000

Median home value

$43,900$71,900

Median gross rent

$720$494

Age & race/ethnicity

Age distribution (share)

	Karthaus	Mahaffey
Under 5	7.8%	2.2%
5 to 17	3.1%	3.3%
18 to 24	3.9%	10.0%
25 to 34	12.2%	8.2%
35 to 44	3.1%	10.0%
45 to 54	1.6%	10.4%
55 to 64	38.0%	14.9%
65 to 74	14.1%	28.3%
75 and over	16.1%	12.6%

Race & ethnicity (share)

	Karthaus	Mahaffey
White (non-Hispanic)	94.5%	97.4%
Black or African American	0.0%	0.0%
American Indian & Alaska Native	0.0%	0.0%
Asian	0.0%	0.0%
Native Hawaiian & Pacific Islander	0.0%	0.0%
Some other race	0.0%	0.0%
Two or more races	5.5%	2.6%
Hispanic or Latino	0.0%	0.0%

Educational attainment (age 25+)

Share of adults 25+

	Karthaus	Mahaffey
No high school diploma	4.6%	11.5%
High school graduate	47.5%	49.3%
Some college or associate's	39.2%	29.1%
Bachelor's degree	5.1%	9.7%
Graduate or professional degree	3.7%	0.4%

Commute to work

How workers get to work (share)

	Karthaus	Mahaffey
Drove alone	100.0%	64.5%
Carpooled	0.0%	12.7%
Public transit	0.0%	7.3%
Walked	0.0%	15.5%
Bicycle	0.0%	0.0%
Worked from home	0.0%	0.0%
Other means	0.0%	0.0%

Housing

Units in structure (share)

	Karthaus	Mahaffey
1-unit, detached	91.4%	86.4%
1-unit, attached	0.0%	0.6%
2 to 4 units	2.2%	4.7%
5 to 19 units	0.0%	0.0%
20 or more units	0.0%	0.0%
Mobile home & other	6.5%	8.3%

Poverty & households

	Karthaus	Mahaffey
Poverty rate	10.7%	10.4%
Average household size	2.93	1.98
Mean commute (minutes)	57	38
Median year structure built	1938	1949