Boulder Creek vs Twin Lakes

A side-by-side comparison of Boulder Creek and Twin Lakes: population, income, housing, and more.

Boulder Creek and Twin Lakes are places in California. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Boulder Creek has the higher population (5,353 vs 4,895 in Twin Lakes). Boulder Creek has the higher median household income ($106,842 vs $81,288 in Twin Lakes). Twin Lakes has the higher median home value ($958,300 vs $785,200 in Boulder Creek).

Population, income & housing

	Boulder Creek	Twin Lakes
Population	5,353	4,895
Median age	46.4 yrs	41.5 yrs
Median household income	$106,842	$81,288
Median home value	$785,200	$958,300
Median gross rent	$1,844	$2,221
Housing units	2,412	2,841
Homeownership rate	77.5%	40.8%
Bachelor's degree or higher	37.9%	47.4%
Unemployment rate	9.2%	4.5%

Trends (ACS 5-year, 2019–2023)

	Boulder Creek	Twin Lakes
Population	5,182 → 5,353 (+3.3%)	5,196 → 4,895 (-5.8%)
Median household income	$97,433 → $106,842 (+9.7%)	$53,508 → $81,288 (+51.9%)
Median home value	$578,000 → $785,200 (+35.8%)	$788,000 → $958,300 (+21.6%)
Median gross rent	$1,389 → $1,844 (+32.8%)	$1,477 → $2,221 (+50.4%)

Boulder Creek

Population

5,1825,353

Median household income

$97,433$106,842

Median home value

$578,000$785,200

Median gross rent

$1,389$1,844

Twin Lakes

Population

5,1964,895

Median household income

$53,508$81,288

Median home value

$788,000$958,300

Median gross rent

$1,477$2,221

Age & race/ethnicity

Age distribution (share)

	Boulder Creek	Twin Lakes
Under 5	1.6%	5.9%
5 to 17	11.3%	6.4%
18 to 24	9.0%	9.1%
25 to 34	12.0%	21.1%
35 to 44	12.2%	13.6%
45 to 54	16.5%	8.4%
55 to 64	14.7%	15.3%
65 to 74	16.4%	9.8%
75 and over	6.3%	10.5%

Race & ethnicity (share)

	Boulder Creek	Twin Lakes
White (non-Hispanic)	71.8%	71.5%
Black or African American	0.7%	2.1%
American Indian & Alaska Native	0.2%	0.1%
Asian	1.8%	3.8%
Native Hawaiian & Pacific Islander	0.6%	0.0%
Some other race	1.4%	1.5%
Two or more races	6.3%	4.0%
Hispanic or Latino	17.2%	16.9%

Educational attainment (age 25+)

Share of adults 25+

	Boulder Creek	Twin Lakes
No high school diploma	4.8%	5.4%
High school graduate	17.6%	19.3%
Some college or associate's	39.8%	27.9%
Bachelor's degree	26.9%	27.4%
Graduate or professional degree	11.0%	20.1%

Commute to work

How workers get to work (share)

	Boulder Creek	Twin Lakes
Drove alone	76.7%	70.6%
Carpooled	2.6%	3.2%
Public transit	0.4%	0.3%
Walked	0.0%	3.3%
Bicycle	2.7%	6.5%
Worked from home	17.2%	12.5%
Other means	0.3%	3.6%

Housing

Units in structure (share)

	Boulder Creek	Twin Lakes
1-unit, detached	91.0%	37.7%
1-unit, attached	4.2%	12.5%
2 to 4 units	1.4%	8.8%
5 to 19 units	0.0%	7.7%
20 or more units	0.0%	21.8%
Mobile home & other	3.4%	11.5%

Poverty & households

	Boulder Creek	Twin Lakes
Poverty rate	5.1%	15.9%
Average household size	2.55	2.00
Mean commute (minutes)	38	21
Median year structure built	1956	1968