94548 ZIP Code – Knightsen, California

94548 is a small ZIP code in Knightsen, California, part of Contra Costa County with a population of approximately 598 residents. The median household income is $166,597 — well above the California average and well above the national average. Homes in this ZIP code have a median value of $1,041,700, well above the national average, with 100.0% owner-occupied housing (increasing). Housing consists of 87% single-family (decreasing).

The poverty rate is 3.1%, well below the national average. About 33.9% of residents have completed a four-year degree, above the national rate. The population has a median age of 29.6, below the national median. ZIP codes in the surrounding area include 94561, 94511, 94513.

ZIP Code 94548 Data

Population 598

Median Household Income $166,597

Median Home Value $1,041,700

Median Rent Not provided

Median Age 29.6

Unemployment Rate 0.0%

Poverty Rate 3.1%

Bachelor's Degree or Higher 33.9%

County Contra Costa County

State California

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ZIP 94548 vs. California vs. U.S.

Metric	ZIP 94548	CA Avg.	U.S. Avg.
Population	598	22k	10k
Median Household Income	$166k	$94k	$73k
Median Home Value	$1.0M	$698k	$258k
Median Rent	—	$1,805	$1,088
Median Age	29.6	41.5	43.2
Unemployment Rate	0.0%	7.2%	5.0%
Poverty Rate	3.1%	13.5%	13.3%
Bachelor's Degree or Higher	33.9%	34.4%	26.9%

Demographics Charts

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Education Level (adults 25+)

Nearby ZIP Codes

Nearby ZIP Code Comparison

ZIP Code	City	Population	Median Income
94561	OAKLEY	44,546	$119,646
94511	BETHEL ISLAND	1,993	$85,870
94513	BRENTWOOD	67,580	$133,930
94531	ANTIOCH	44,115	$115,300
95219	STOCKTON	30,165	$93,638