Jeffers Gardens vs Knappa

A side-by-side comparison of Jeffers Gardens and Knappa: population, income, housing, and more.

Jeffers Gardens and Knappa are places in Oregon. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Knappa has the higher population (922 vs 201 in Jeffers Gardens). Knappa has the higher median home value ($409,700 vs $397,900 in Jeffers Gardens). Since 2019, Knappa's population has grown faster (-10.7% vs -42.2%).

Population, income & housing

	Jeffers Gardens	Knappa
Population	201	922
Median age	39.8 yrs	34.6 yrs
Median household income	—	$85,357
Median home value	$397,900	$409,700
Median gross rent	—	$986
Housing units	109	373
Homeownership rate	70.8%	88.6%
Bachelor's degree or higher	26.4%	11.7%
Unemployment rate	28.1%	2.4%

Trends (ACS 5-year, 2019–2023)

	Jeffers Gardens	Knappa
Population	348 → 201 (-42.2%)	1,033 → 922 (-10.7%)
Median household income	$47,095 → $33,750 (-28.3%)	$78,190 → $85,357 (+9.2%)
Median home value	$116,000 → $397,900 (+243.0%)	$269,800 → $409,700 (+51.9%)
Median gross rent	$990 → $1,033 (+4.3%)	$918 → $986 (+7.4%)

Jeffers Gardens

Population

348201

Median household income

$47,095$33,750

Median home value

$116,000$397,900

Median gross rent

$990$1,033

Knappa

Population

1,033922

Median household income

$78,190$85,357

Median home value

$269,800$409,700

Median gross rent

$918$986

Age & race/ethnicity

Age distribution (share)

	Jeffers Gardens	Knappa
Under 5	4.5%	13.4%
5 to 17	7.5%	12.4%
18 to 24	9.0%	0.0%
25 to 34	16.9%	24.7%
35 to 44	13.4%	8.7%
45 to 54	0.0%	7.8%
55 to 64	20.4%	16.2%
65 to 74	28.4%	10.5%
75 and over	0.0%	6.3%

Race & ethnicity (share)

	Jeffers Gardens	Knappa
White (non-Hispanic)	96.5%	88.0%
Black or African American	0.0%	0.0%
American Indian & Alaska Native	0.0%	0.0%
Asian	3.5%	0.9%
Native Hawaiian & Pacific Islander	0.0%	0.0%
Some other race	0.0%	0.0%
Two or more races	0.0%	8.9%
Hispanic or Latino	0.0%	2.3%

Educational attainment (age 25+)

Share of adults 25+

	Jeffers Gardens	Knappa
No high school diploma	0.0%	5.8%
High school graduate	20.8%	42.8%
Some college or associate's	52.8%	39.6%
Bachelor's degree	26.4%	9.1%
Graduate or professional degree	0.0%	2.6%

Commute to work

How workers get to work (share)

	Jeffers Gardens	Knappa
Drove alone	100.0%	88.2%
Carpooled	0.0%	3.2%
Public transit	0.0%	0.0%
Walked	0.0%	8.6%
Bicycle	0.0%	0.0%
Worked from home	0.0%	0.0%
Other means	0.0%	0.0%

Housing

Units in structure (share)

	Jeffers Gardens	Knappa
1-unit, detached	76.1%	69.4%
1-unit, attached	0.0%	0.0%
2 to 4 units	16.5%	1.9%
5 to 19 units	0.0%	0.0%
20 or more units	7.3%	0.0%
Mobile home & other	0.0%	28.7%

Poverty & households

	Jeffers Gardens	Knappa
Poverty rate	27.9%	8.9%
Average household size	2.26	2.70
Mean commute (minutes)	—	28
Median year structure built	1943	1977