Humboldt Hill vs Rio Dell

A side-by-side comparison of Humboldt Hill and Rio Dell: population, income, housing, and more.

Humboldt Hill and Rio Dell are places in California. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Humboldt Hill has the higher population (3,421 vs 3,371 in Rio Dell). Humboldt Hill has the higher median household income ($85,438 vs $46,055 in Rio Dell). Humboldt Hill has the higher median home value ($408,800 vs $313,400 in Rio Dell).

Population, income & housing

	Humboldt Hill	Rio Dell
Population	3,421	3,371
Median age	43.1 yrs	31.8 yrs
Median household income	$85,438	$46,055
Median home value	$408,800	$313,400
Median gross rent	$1,576	$1,057
Housing units	1,393	1,591
Homeownership rate	62.2%	59.1%
Bachelor's degree or higher	22.4%	9.6%
Unemployment rate	1.6%	9.9%

Trends (ACS 5-year, 2019–2023)

	Humboldt Hill	Rio Dell
Population	4,315 → 3,421 (-20.7%)	3,373 → 3,371 (-0.1%)
Median household income	$71,642 → $85,438 (+19.3%)	$41,071 → $46,055 (+12.1%)
Median home value	$269,900 → $408,800 (+51.5%)	$196,500 → $313,400 (+59.5%)
Median gross rent	$1,146 → $1,576 (+37.5%)	$902 → $1,057 (+17.2%)

Humboldt Hill

Population

4,3153,421

Median household income

$71,642$85,438

Median home value

$269,900$408,800

Median gross rent

$1,146$1,576

Rio Dell

Population

3,3733,371

Median household income

$41,071$46,055

Median home value

$196,500$313,400

Median gross rent

$902$1,057

Age & race/ethnicity

Age distribution (share)

	Humboldt Hill	Rio Dell
Under 5	10.5%	10.9%
5 to 17	8.4%	19.1%
18 to 24	9.4%	6.4%
25 to 34	9.7%	19.3%
35 to 44	13.6%	6.6%
45 to 54	7.6%	9.0%
55 to 64	18.6%	12.4%
65 to 74	12.2%	8.4%
75 and over	10.0%	7.7%

Race & ethnicity (share)

	Humboldt Hill	Rio Dell
White (non-Hispanic)	62.5%	53.2%
Black or African American	0.4%	2.0%
American Indian & Alaska Native	0.0%	0.0%
Asian	0.7%	3.1%
Native Hawaiian & Pacific Islander	0.0%	0.0%
Some other race	1.0%	0.0%
Two or more races	7.8%	9.8%
Hispanic or Latino	27.6%	31.9%

Educational attainment (age 25+)

Share of adults 25+

	Humboldt Hill	Rio Dell
No high school diploma	11.3%	9.7%
High school graduate	23.7%	38.8%
Some college or associate's	42.7%	41.9%
Bachelor's degree	15.0%	5.2%
Graduate or professional degree	7.4%	4.4%

Commute to work

How workers get to work (share)

	Humboldt Hill	Rio Dell
Drove alone	77.0%	75.9%
Carpooled	9.7%	12.6%
Public transit	0.4%	0.0%
Walked	3.5%	0.7%
Bicycle	0.0%	0.0%
Worked from home	9.4%	10.8%
Other means	0.0%	0.0%

Housing

Units in structure (share)

	Humboldt Hill	Rio Dell
1-unit, detached	62.0%	80.2%
1-unit, attached	5.7%	0.0%
2 to 4 units	7.6%	11.9%
5 to 19 units	0.0%	0.8%
20 or more units	6.8%	2.7%
Mobile home & other	17.8%	4.5%

Poverty & households

	Humboldt Hill	Rio Dell
Poverty rate	15.2%	12.8%
Average household size	2.63	2.45
Mean commute (minutes)	19	23
Median year structure built	1976	1967