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California ZIP Codes
Lassen County
Milford, CA
96121
96121 ZIP Code — Milford, CA
Lassen County, California
ZIP code 96121 is located in
Milford ,
California ,
within Lassen County .
It covers approximately 33.20 square miles and serves a population of
145 residents.
This is a standard ZIP code in the Pacific (PT) timezone,
served by area code 530 .
96121 ZIP code map
View map of 96121
Cities in ZIP code 96121
Below are the cities the US Postal Service accepts for ZIP code 96121. Using any city not on this list may result in mail delivery delays.
Nearby ZIP codes
Demographics
updated 06/2026
Population
Total population
145
Population density
4 / sq mi
State FIPS
06
County FIPS
035
Geography
Land area
33.20 sq mi
Water area
0.01 sq mi
Latitude
40.1803
Longitude
-120.3949
Timezone
Pacific (PT)
Area code
530
Economics
updated 06/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
17.1%
42.9%
32.6%
$50k – $100k
82.1%
33.7%
27.7%
$100k – $200k
0.9%
21.0%
26.4%
Over $200k
0.0%
2.5%
13.3%
Demographics & statistics
$83,466
Median household income
34.4%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 0 0.0%
18 and over 145 100.0%
65 and over 15 10.3%
Median age 21.8 years
Race & ethnicity
Household income
Income range
This ZIP
County avg
State avg
Under $50k
17.1%
42.9%
32.6%
$50k – $100k
82.1%
33.7%
27.7%
$100k – $200k
0.9%
21.0%
26.4%
Over $200k
0.0%
2.5%
13.3%
Range % of households
$25k–$35k 30.2%
$75k–$100k 51.2%
$100k–$150k 18.6%
Median income $83,466
Housing
Housing overview
Metric Value
Median home value $0
Median rent / month $0
Owner occupied 18.6%
Renter occupied 81.4%
Vacant 24.6%
Single-family detached 61.4%
Large apartment buildings 0.0%
Mobile homes 38.6%
Median rooms 4.7
Avg household size (owned) 1.88
Year built
Era %
2020 or later 0.0%
2010–2019 0.0%
2000–2009 0.0%
1990–1999 0.0%
1980–1989 22.8%
1970–1979 38.6%
1960–1969 0.0%
1950–1959 0.0%
1940–1949 24.6%
1939 or earlier 14.0%
Bedrooms
Size % of units
No bedroom (studio) 0.0%
1 bedroom 0.0%
2 bedrooms 63.2%
3 bedrooms 36.8%
4 bedrooms 0.0%
5+ bedrooms 0.0%
Vehicles per household
Vehicles % of households
No vehicle 0.0%
1 vehicle 30.2%
2 vehicles 0.0%
3 or more 69.8%
Heating fuel
Fuel type %
Propane / LP gas 81.4%
Fuel oil 18.6%
Households & families
Household type Count %
Married-couple family 21 48.8%
Cohabiting couple 0 0.0%
Male householder, no spouse 0 0.0%
Female householder, no spouse 22 51.2%
Households with children under 18 0 0.0%
Households with seniors (65+) 8 18.6%
Average household size 3.37
Marital status
Status Male Female
Never married 82.5% 45.7%
Married 17.5% 33.3%
Separated 0.0% 0.0%
Widowed 0.0% 0.0%
Divorced 0.0% 21.0%
Education
Some college, no degree
45.3%
Graduate / professional
0.0%
Metric %
HS diploma or higher 100.0%
Bachelor's or higher 34.4%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 0 0.0%
Kindergarten 0 0.0%
Elementary school 0 0.0%
High school 0 0.0%
College / grad school 0 0.0%
Employment
Industry of employment
Public administration
21.4%
Occupation
Category %
Management, business & arts 0.0%
Service 21.4%
Sales & office 0.0%
Natural resources & construction 32.0%
Production & transportation 46.6%
Employment type
Type %
Private sector 46.6%
Government 21.4%
Self-employed 32.0%
Unpaid family workers 0.0%
Commute
Method %
Drive alone 68.0%
Carpool 0.0%
Public transit 0.0%
Walk 0.0%
Work from home 32.0%
Other means 0.0%
Avg commute (minutes) 0.0
Poverty
Married-couple families
0.0%
Female-led households
0.0%
Income support
Source % of households
Social Security 48.8%
Retirement income 18.6%
Supplemental Security 18.6%
Cash public assistance 0.0%
Food stamps / SNAP 0.0%
Health indicators
Condition %
Obesity 33.0%
High blood pressure 37.7%
High cholesterol 37.4%
Diabetes 13.3%
Heart disease 9.0%
Stroke 4.3%
Asthma 11.2%
Arthritis 31.3%
Kidney disease 3.8%
Pulmonary disease 11.2%
Cancer 7.8%
Behavior / access %
Smoking 18.8%
Binge drinking 17.0%
No physical activity 23.7%
Less than 7 hrs sleep 33.8%
Depression 21.1%
Fair or poor health 20.0%
Poor mental health 16.2%
Poor physical health 14.8%
No health insurance 10.3%
Visited doctor (checkup) 69.7%
Visited dentist 58.3%
Cholesterol screening 91.8%
Teeth loss 15.6%
Veterans & disability
Veterans Count %
Civilian veterans 7 4.8%
Disability %
Any disability 23.4%
Under 18 0.0%
18–64 years 20.8%
65 and over 46.7%
Health insurance coverage
Type %
Private insurance 81.4%
Public insurance 29.0%
No insurance 0.0%
Uninsured under 19 0.0%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 145 100.0%
Spanish 0 0.0%
Other Indo-European 0 0.0%
Asian & Pacific Islander 0 0.0%
Other languages 0 0.0%
Place of birth & citizenship
Origin Count %
Native born (US) 145 100.0%
Born in same state 145 100.0%
Born in different state 108 74.5%
Foreign born 0 0.0%
Naturalized citizen 0 0.0%
Not a US citizen 0 0.0%
Ancestry
Ancestry Count %
French 29 20%
Ancestry Count %
Polish 14 9.7%
Technology access
Metric % of households
Computer access 29.7%
Internet access 100.0%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 96121
What city is ZIP code 96121 in?
ZIP code 96121 is primarily assigned to Milford, California.
What county is ZIP code 96121 in?
ZIP code 96121 falls within Lassen County, California.
Is ZIP code 96121 mostly rentals?
81% of occupied units in ZIP code 96121 are renter-occupied.
Does ZIP code 96121 have a large retiree population?
49% of households in ZIP code 96121 receive Social Security income, suggesting a significant retiree or disability population.
What is the population of ZIP code 96121?
ZIP code 96121 has an estimated population of 145 residents, with a density of 4 people per square mile.
What is the median household income in ZIP code 96121?
The median household income in ZIP code 96121 is $83,466, above the national median of ~$75,000.
What timezone is ZIP code 96121 in?
ZIP code 96121 observes the PST timezone.
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