Blenheim, SC demographics:
population, income, and more

Total population
82
78.3% year-over-year change
Median household income
$49,167/yr
-26.2% year-over-year change
Housing units
50
66.7% year-over-year change

Blenheim population

How many people live in Blenheim

Blenheim is home to 82 residents, according to the most recent Census data. Gender-wise, 43.9% of Blenheim locals are male, and 56.1% are female.

Total population
82
78.3% year-over-year change
Gender ratio
Male
43.9%
36
Female
56.1%
46
Value Percent YoY change
Male 36 43.9% 71.4%
Female 46 56.1% 84.0%
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 Blenheim is 41, with the population distributed as follows: about 9.8% are children under 15, then 3.7% are in the 15 to 24 age group. Adults between 25 and 44 make up 39% of the population, while another 20.7% fall into the 45 to 64 bracket. Finally, around 26.8% are 65 or older.

Median age
40.9
Age breakdown
Under 15
9.8%
15 to 24
3.7%
25 to 44
39%
45 to 64
20.7%
Over 65
26.8%
Value Percent YoY change
Under 15 8 9.8% 0.0%
15 to 24 3 3.7% 0.0%
25 to 44 32 39% 77.8%
45 to 64 17 20.7% 88.9%
Over 65 22 26.8% 175.0%
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

There’s also a share of 1.2% that includes residents with two or more races.

Citizenship
U.S.-born citizens
100%
Non-U.S.-born citizens
0%
Non-citizens
0%
Value Percent YoY change
U.S.-born citizens 82 100% 78.3%
Racial breakdown
White
68.3%
Black or African American
23.2%
American Indian and Alaska Native
7.3%
Asian
0%
Native Hawaiian and other Pacific Islander
0%
Two or more races
1.2%
Other
0%
Value Percent
White 56 68.3%
Black or African American 19 23.2%
American Indian and Alaska Native 6 7.3%
Two or more races 1 1.2%

Households in Blenheim

A peek inside Blenheim households

Blenheim has 40 households, with an average of 2 members in each. Of these, 50% are families, while the remaining 50% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
40
81.8% year-over-year change
Average people per household
2
Non-family households
20
Family households
20
Value Percent YoY change
Non-family households 20 50% 150.0%
Family households 20 50% 42.9%
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 Blenheim

The housing landscape of Blenheim

Blenheim's housing consists of 50 units, with 84% 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 16% of the housing landscape.

Housing units
50
66.7% year-over-year change
Housing types
Value Percent
1 unit, detached 42 84%
Mobile home 8 16%
Homes built since 2020
0
% year-over-year change

The age of buildings in Blenheim

In Blenheim, the median construction year is 1954. About 18% of homes were built before the 1940s, with another 16% 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 9 18% N/A
Built between 1940 and 1949 8 16% -11.1%
Built between 1950 and 1959 19 38% 90.0%
Built between 1960 and 1969 5 10% 25.0%
Built between 1990 and 1999 4 8% 0.0%
Built between 2010 and 2019 5 10% 66.7%
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.

Blenheim occupancy rates

Out of the 40 occupied housing units in Blenheim, 65% are owner-occupied, while 35% are lived in by tenants. Meanwhile, 20% of all homes on the local market sit vacant.

Occupied housing units
40
81.8% year-over-year change
Occupancy breakdown
Renter occupied
14
Owner occupied
26
Value Percent YoY
change
Renter occupied 14 35% 366.7%
Owner occupied 26 65% 36.8%
Unoccupied housing units
20.0%
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.

Blenheim housing costs

Median housing costs per month
$467/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.

Education in Blenheim

Blenheim education at a glance

About 66.2% of the population in Blenheim went to high school, while 18.3% pursued college studies. Another earned an associate degree and 15.5% hold a bachelor’s.

Education level
Value Percent YoY change
High school diploma 47 66.2% 327.3%
College diploma 13 18.3% -13.3%
Bachelor's degree 11 15.5% 22.2%
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 Blenheim

How much people earn in Blenheim

The average annual household income in Blenheim was $54,800 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a -15.2% change from the previous year. At the same time, the median income stood at $49,167, reflecting a -26.2% shift over the same period.

Average household income in Blenheim
$54,800/year
-15.2% year-over-year change
Median household income in Blenheim
$49,167/year
-26.2% year-over-year change

Blenheim income by age

In Blenheim, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $95,179. Overall, 78.5% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
25 - 44 $95,179 2.2%
Above poverty level
62
Below poverty level
17
Value Percent YoY
change
Above poverty level 62 78.5% 63.2%
Below poverty level 17 21.5% 240.0%

Employment in Blenheim

Workforce and job types in Blenheim

The job market in Blenheim is powered by 54 working residents, spread across a range of industries and roles. 59.3% of the working population are employed in professional or administrative positions, while 40.7% are in hands-on or service-based jobs. Also, 13% run their own businesses, 83.3% are employed by private companies, and 3.7% work in the public sector.

Workforce demographics

Working population
54
107.7% year-over-year change
White collar
32
Blue collar
22
Value Percent YoY change
White collar 32 59.3% 190.9%
Blue collar 22 40.7% 46.7%
Employer type
Self employees
13%
Private companies
83.3%
Governmental workers
3.7%
Not for profit companies
0%
Value Percent YoY change
Self employees 7 13% -12.5%
Private companies 45 83.3% 181.2%
Governmental workers 2 3.7% 0.0%

Transportation in Blenheim

How people get around in Blenheim

In Blenheim, the average commute time is 28 minutes.

Commute time
28 min
-5.0% year-over-year change
Means of transportation
Value Percent YoY change
Car 43 100% 65.4%
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 Blenheim by zipcode?

Zipcode Population Number of households Median income Average income
29516 882 260 $57,639 $72,555

Explore more communities

FAQs about Blenheim demographics 

What is the total population of Blenheim?

Blenheim has a total population of 82 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 +78.3% compared to a year ago.

What is the gender ratio in Blenheim?

The gender ratio in Blenheim is as follows:
  • 43.9% males (36 residents)
  • 56.1% females (46 residents)

What is the median age in Blenheim?

The median age in Blenheim is 40.9.

What is the age distribution of the population in Blenheim?

The age distribution in Blenheim is as follows:
  • Under 15: 9.8% (8 residents)
  • Ages 15-24: 3.7% (3 residents)
  • Ages 25-44: 39% (32 residents)
  • Ages 45-64: 20.7% (17 residents)
  • Over 65: 26.8% (22 residents)

What is the racial and ethnic makeup of Blenheim?

The racial and ethnic makeup of Blenheim is as follows:
  • White: 68.3% (56 residents)
  • Black or African American: 23.2% (19 residents)
  • American Indian and Alaska Native: 7.3% (6 residents)
  • Asian: 0% (0 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (0 residents)
  • Two or More Races: 1.2% (1 residents)
  • Other: 0% (0 residents)

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

U.S.-born citizens represent 100% of the population in Blenheim.

How many housing units are there in Blenheim?

There are 50 housing units in Blenheim, reflecting a +66.7% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

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

Blenheim has a total of 40 households, with an average of 2 people in each.

What is the median household income in Blenheim?

Blenheim has a median household income of $49,167, representing a -26.2% shift from the previous year, according to the U.S. Census Bureau.

What is the job market overview for Blenheim?

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

Job types:
  • White-collar workers: 59.3% (32 residents)
  • Blue-collar workers: 40.7% (22 residents)

Places of employment:
  • Self-employed: 13% (7 residents)
  • Private companies: 83.3% (45 residents)
  • Governmental workers: 3.7% (2 residents)
  • Not-for-profit companies: 0% (0 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