South Fork, CA demographics:
population, income, and more

Total population
1,817
9.5% year-over-year change
Median household income
$71,082/yr
5.1% year-over-year change
Housing units
975
0.1% year-over-year change

South Fork population

How many people live in South Fork

South Fork is home to 1,817 residents, according to the most recent Census data. Gender-wise, 49.3% of South Fork locals are male, and 50.7% are female.

Total population
1,817
9.5% year-over-year change
Gender ratio
Male
49.3%
896
Female
50.7%
922
Value Percent YoY change
Male 896 49.3% 6.2%
Female 922 50.7% 13.0%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in South Fork is 61, with the population distributed as follows: about 10.5% are children under 15, then 11.2% are in the 15 to 24 age group. Adults between 25 and 44 make up 9.6% of the population, while another 27.2% fall into the 45 to 64 bracket. Finally, around 41.4% are 65 or older.

Median age
61.2
Age breakdown
Under 15
10.5%
15 to 24
11.2%
25 to 44
9.6%
45 to 64
27.2%
Over 65
41.4%
Value Percent YoY change
Under 15 190 10.5% 8.0%
15 to 24 204 11.2% 24.4%
25 to 44 175 9.6% -22.2%
45 to 64 495 27.2% 16.8%
Over 65 753 41.4% 12.2%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In South Fork, 97% of the population are US-born citizens, while 2.3% have gained naturalized citizenship. At the same time, 0.7% of residents are non-citizens. As for race, 76.6% of locals are Caucasian, 0.1% are African American and 0.6% have Asian roots. Another 9.7% are Indigenous American, 0.6% are Pacific Islanders, while 0.6% identify as another race. There’s also a share of 11.8% that includes residents with two or more races.

Citizenship
U.S.-born citizens
97%
Non-U.S.-born citizens
2.3%
Non-citizens
0.7%
Value Percent YoY change
U.S.-born citizens 1,764 97% 11.2%
Non-U.S.-born citizens 41 2.3% -12.8%
Non-citizens 13 0.7% -51.9%
Racial breakdown
White
76.6%
Black or African American
0.1%
American Indian and Alaska Native
9.7%
Asian
0.6%
Native Hawaiian and other Pacific Islander
0.6%
Two or more races
11.8%
Other
0.6%
Value Percent
White 1,393 76.6%
Black or African American 2 0.1%
American Indian and Alaska Native 177 9.7%
Asian 10 0.6%
Native Hawaiian and other Pacific Islander 11 0.6%
Two or more races 215 11.8%
Other 10 0.6%

Households in South Fork

A peek inside South Fork households

South Fork has 769 households, with an average of 2 members in each. Of these, 64.6% are families, while the remaining 35.4% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
769
6.1% year-over-year change
Average people per household
2
Non-family households
272
Family households
497
Value Percent YoY change
Non-family households 272 35.4% -1.8%
Family households 497 64.6% 10.9%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in South Fork

The housing landscape of South Fork

South Fork's housing consists of 975 units, with 72.3% being detached single-family homes ideal for those wanting space. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 27.7% of the housing landscape.

Housing units
975
0.1% year-over-year change
Housing types
Value Percent
1 unit, detached 705 72.3%
Mobile home 270 27.7%
Homes built since 2020
% year-over-year change

The age of buildings in South Fork

In South Fork, the median construction year is 1981. About 7% of homes were built before the 1940s, with another 5.3% going up by 1949. Most development happened in the second half of the 20th century.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 68 7% 13.3%
Built between 1940 and 1949 52 5.3% 62.5%
Built between 1950 and 1959 4 0.4% -63.6%
Built between 1960 and 1969 60 6.2% 11.1%
Built between 1970 and 1979 291 29.8% 2.1%
Built between 1980 and 1989 182 18.7% -21.6%
Built between 1990 and 1999 194 19.9% -10.2%
Built between 2000 and 2009 111 11.4% 50.0%
Built between 2010 and 2019 13 1.3% 8.3%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

South Fork occupancy rates

Out of the 769 occupied housing units in South Fork, 88.6% are owner-occupied, while 11.4% are lived in by tenants. Meanwhile, 21.1% of all homes on the local market sit vacant.

Occupied housing units
769
6.1% year-over-year change
Occupancy breakdown
Renter occupied
88
Owner occupied
681
Value Percent YoY
change
Renter occupied 88 11.4% -38.9%
Owner occupied 681 88.6% 17.2%
Unoccupied housing units
21.1%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

South Fork housing costs

Housing costs in South Fork come to a median of $1,165 per month, while tenants specifically pay a median gross rent of $1,361.

Median housing costs per month
$1,165/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in South Fork
$1,361/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in South Fork

South Fork education at a glance

About 31.3% of the population in South Fork went to high school, while 30.7% pursued college studies. Another 15.4% earned an associate degree and 14.7% hold a bachelor’s. Meanwhile, 7.5% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 7 0.4% -46.1%
High school diploma 491 31.3% 7.2%
College diploma 481 30.7% -4.2%
Associate degree 241 15.4% 19.9%
Bachelor's degree 230 14.7% 25.0%
Graduate degree 118 7.5% 40.5%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in South Fork

How much people earn in South Fork

The average annual household income in South Fork was $82,002 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +17.3% change from the previous year. At the same time, the median income stood at $71,082, reflecting a +5.1% shift over the same period.

Average household income in South Fork
$82,002/year
17.3% year-over-year change
Median household income in South Fork
$71,082/year
5.1% year-over-year change

South Fork income by age

Those with someone between 45 and 64 in charge, often well established professionally, earn $62,019 overall. Overall, 82.7% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
45 - 64 $62,019 4.1%
Over 65 $71,989 5.9%
Above poverty level
1,500
Below poverty level
313
Value Percent YoY
change
Above poverty level 1,500 82.7% 7.8%
Below poverty level 313 17.3% 16.4%

Employment in South Fork

Workforce and job types in South Fork

84.6% of the working population are employed in professional or administrative positions, while 15.4% are in hands-on or service-based jobs. Also, 25.8% run their own businesses, 47.4% are employed by private companies, and 23% work in the public sector.

Workforce demographics

White collar
478
Blue collar
87
Value Percent YoY change
White collar 478 84.6% 20.4%
Blue collar 87 15.4% 6.1%
Employer type
Self employees
25.8%
Private companies
47.4%
Governmental workers
23%
Not for profit companies
3.9%
Value Percent YoY change
Self employees 146 25.8% 14.1%
Private companies 268 47.4% 19.6%
Governmental workers 130 23% 23.8%
Not for profit companies 22 3.9% 0.0%

Transportation in South Fork

How people get around in South Fork

Means of transportation
Value Percent YoY change
Car 416 98.4% 6.7%
Motorcycle 7 1.6% 0.0%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in South Fork by zipcode?

Zipcode Population Number of households Median income Average income
93643 3,041 1,287 $71,082 $86,257

Explore more communities

FAQs about South Fork demographics 

What is the total population of South Fork?

South Fork has a total population of 1,817 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by +9.5% compared to a year ago.

What is the gender ratio in South Fork?

The gender ratio in South Fork is as follows:
  • 49.3% males (896 residents)
  • 50.7% females (922 residents)

What is the median age in South Fork?

The median age in South Fork is 61.2.

What is the age distribution of the population in South Fork?

The age distribution in South Fork is as follows:
  • Under 15: 10.5% (190 residents)
  • Ages 15-24: 11.2% (204 residents)
  • Ages 25-44: 9.6% (175 residents)
  • Ages 45-64: 27.2% (495 residents)
  • Over 65: 41.4% (753 residents)

What is the racial and ethnic makeup of South Fork?

The racial and ethnic makeup of South Fork is as follows:
  • White: 76.6% (1,393 residents)
  • Black or African American: 0.1% (2 residents)
  • American Indian and Alaska Native: 9.7% (177 residents)
  • Asian: 0.6% (10 residents)
  • Native Hawaiian and Other Pacific Islander: 0.6% (11 residents)
  • Two or More Races: 11.8% (215 residents)
  • Other: 0.6% (10 residents)

What percentage of the population in South Fork are U.S.-born citizens?

U.S.-born citizens represent 97% of the population in South Fork.

How many housing units are there in South Fork?

There are 975 housing units in South Fork, reflecting a +0.1% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in South Fork and what is the average household size?

South Fork has a total of 769 households, with an average of 2 people in each.

What is the median household income in South Fork?

South Fork has a median household income of $71,082, representing a +5.1% shift from the previous year, according to the U.S. Census Bureau.

What is the job market overview for South Fork?

Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 84.6% (478 residents)
  • Blue-collar workers: 15.4% (87 residents)

Places of employment:
  • Self-employed: 25.8% (146 residents)
  • Private companies: 47.4% (268 residents)
  • Governmental workers: 23% (130 residents)
  • Not-for-profit companies: 3.9% (22 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025