Byron vs Castle Hill

A side-by-side comparison of Byron and Castle Hill: population, income, housing, and more.

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

Byron has the higher population (1,876 vs 1,303 in Castle Hill). Castle Hill has the higher median household income ($250,001 vs $92,813 in Byron). Castle Hill has the higher median home value ($2,000,001 vs $862,200 in Byron).

Population, income & housing

	Byron	Castle Hill
Population	1,876	1,303
Median age	45.0 yrs	42.6 yrs
Median household income	$92,813	$250,001
Median home value	$862,200	$2,000,001
Median gross rent	$2,488	—
Housing units	535	428
Homeownership rate	63.0%	96.0%
Bachelor's degree or higher	17.3%	79.2%
Unemployment rate	15.1%	0.0%

Trends (ACS 5-year, 2019–2023)

	Byron	Castle Hill
Population	1,304 → 1,876 (+43.9%)	1,426 → 1,303 (-8.6%)
Median household income	$68,750 → $92,813 (+35.0%)	$204,879 → $250,001 (+22.0%)
Median home value	$593,100 → $862,200 (+45.4%)	$1,290,600 → $2,000,001 (+55.0%)
Median gross rent	$1,429 → $2,488 (+74.1%)	—

Byron

Population

1,3041,876

Median household income

$68,750$92,813

Median home value

$593,100$862,200

Median gross rent

$1,429$2,488

Castle Hill

Population

1,4261,303

Median household income

$204,879$250,001

Median home value

$1,290,600$2,000,001

Age & race/ethnicity

Age distribution (share)

	Byron	Castle Hill
Under 5	2.8%	5.1%
5 to 17	15.3%	27.1%
18 to 24	19.7%	5.4%
25 to 34	8.4%	1.2%
35 to 44	3.7%	15.3%
45 to 54	15.1%	21.0%
55 to 64	20.9%	7.6%
65 to 74	9.2%	12.1%
75 and over	4.8%	5.2%

Race & ethnicity (share)

	Byron	Castle Hill
White (non-Hispanic)	50.2%	68.8%
Black or African American	0.1%	1.8%
American Indian & Alaska Native	0.0%	0.0%
Asian	4.5%	15.0%
Native Hawaiian & Pacific Islander	0.0%	0.0%
Some other race	0.0%	0.0%
Two or more races	0.6%	10.3%
Hispanic or Latino	44.5%	4.1%

Educational attainment (age 25+)

Share of adults 25+

	Byron	Castle Hill
No high school diploma	15.0%	0.0%
High school graduate	21.7%	6.8%
Some college or associate's	46.0%	14.0%
Bachelor's degree	10.4%	52.2%
Graduate or professional degree	6.9%	27.0%

Commute to work

How workers get to work (share)

	Byron	Castle Hill
Drove alone	72.2%	37.3%
Carpooled	15.8%	0.0%
Public transit	0.0%	7.1%
Walked	7.0%	0.0%
Bicycle	0.0%	0.0%
Worked from home	5.0%	53.3%
Other means	0.0%	2.3%

Housing

Units in structure (share)

	Byron	Castle Hill
1-unit, detached	85.8%	93.7%
1-unit, attached	3.2%	6.3%
2 to 4 units	0.0%	0.0%
5 to 19 units	3.6%	0.0%
20 or more units	0.0%	0.0%
Mobile home & other	7.5%	0.0%

Poverty & households

	Byron	Castle Hill
Poverty rate	15.5%	0.4%
Average household size	3.50	3.03
Mean commute (minutes)	41	30
Median year structure built	1978	1960