Rockville, SC demographics:
population, income, and more

Total population
121
-3.2% year-over-year change
Median household income
$82,500/yr
7.8% year-over-year change
Housing units
71
1.4% year-over-year change

Rockville population

How many people live in Rockville

Rockville is home to 121 residents, according to the most recent Census data. Gender-wise, 60.3% of Rockville locals are male, and 39.7% are female.

Total population
121
-3.2% year-over-year change
Gender ratio
Male
60.3%
73
Female
39.7%
48
Value Percent YoY change
Male 73 60.3% -2.7%
Female 48 39.7% -4.0%
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 Rockville is 51, with the population distributed as follows: about 14% are children under 15, then 10.7% are in the 15 to 24 age group. Adults between 25 and 44 make up 9.1% of the population, while another 28.1% fall into the 45 to 64 bracket. Finally, around 38% are 65 or older.

Median age
51.3
Age breakdown
Under 15
14%
15 to 24
10.7%
25 to 44
9.1%
45 to 64
28.1%
Over 65
38%
Value Percent YoY change
Under 15 17 14% -15.0%
15 to 24 13 10.7% -18.8%
25 to 44 11 9.1% -42.1%
45 to 64 34 28.1% 25.9%
Over 65 46 38% 7.0%
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

In Rockville, 97.5% of the population are US-born citizens, while 0.8% have gained naturalized citizenship. At the same time, 1.6% of residents are non-citizens. There’s also a share of 4.1% that includes residents with two or more races.

Citizenship
U.S.-born citizens
97.5%
Non-U.S.-born citizens
0.8%
Non-citizens
1.6%
Value Percent YoY change
U.S.-born citizens 118 97.5% 0.0%
Non-U.S.-born citizens 1 0.8% -75.0%
Non-citizens 2 1.6% -33.3%
Racial breakdown
White
94.2%
Black or African American
0%
American Indian and Alaska Native
0%
Asian
0%
Native Hawaiian and other Pacific Islander
0%
Two or more races
4.1%
Other
1.6%
Value Percent
White 114 94.2%
Two or more races 5 4.1%
Other 2 1.6%

Households in Rockville

A peek inside Rockville households

Rockville has 58 households, with an average of 2 members in each. Of these, 70.7% are families, while the remaining 29.3% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
58
5.5% year-over-year change
Average people per household
2
Non-family households
17
Family households
41
Value Percent YoY change
Non-family households 17 29.3% 13.3%
Family households 41 70.7% 2.5%
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 Rockville

The housing landscape of Rockville

Rockville's housing consists of 71 units, with 93% 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 7% of the housing landscape.

Housing units
71
1.4% year-over-year change
Housing types
Value Percent
1 unit, detached 66 93%
Mobile home 5 7%
Homes built since 2020
5
-16.7% year-over-year change

The age of buildings in Rockville

In Rockville, the median construction year is 1975. About 7% of homes were built before the 1940s, with another 15.5% 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 5 7% -28.6%
Built between 1940 and 1949 11 15.5% 57.1%
Built between 1950 and 1959 10 14.1% 0.0%
Built between 1960 and 1969 4 5.6% 0.0%
Built between 1970 and 1979 12 16.9% 20.0%
Built between 1980 and 1989 5 7% -16.7%
Built between 1990 and 1999 8 11.3% -20.0%
Built between 2000 and 2009 11 15.5% 10.0%
Built in 2020 or later 5 7% -16.7%
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.

Rockville occupancy rates

Out of the 58 occupied housing units in Rockville, 91.4% are owner-occupied, while 8.6% are lived in by tenants. Meanwhile, 18.3% of all homes on the local market sit vacant.

Occupied housing units
58
5.5% year-over-year change
Occupancy breakdown
Renter occupied
5
Owner occupied
53
Value Percent YoY
change
Renter occupied 5 8.6% -44.4%
Owner occupied 53 91.4% 15.2%
Unoccupied housing units
18.3%
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.

Rockville housing costs

Housing costs in Rockville come to a median of $1,792 per month, while tenants specifically pay a median gross rent of $2,083.

Median housing costs per month
$1,792/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 Rockville
$2,083/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 Rockville

Rockville education at a glance

About 16.7% of the population in Rockville went to high school, while 21.9% pursued college studies. Another 1% earned an associate degree and 42.7% hold a bachelor’s. Meanwhile, 17.7% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
High school diploma 16 16.7% 77.8%
College diploma 21 21.9% -8.7%
Associate degree 1 1% 0.0%
Bachelor's degree 41 42.7% -6.8%
Graduate degree 17 17.7% 6.2%
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 Rockville

How much people earn in Rockville

The average annual household income in Rockville was $108,676 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a -16.3% change from the previous year. At the same time, the median income stood at $82,500, reflecting a +7.8% shift over the same period.

Average household income in Rockville
$108,676/year
-16.3% year-over-year change
Median household income in Rockville
$82,500/year
7.8% year-over-year change

Rockville income by age

Those with someone between 45 and 64 in charge, often well established professionally, earn $115,714 overall. Overall, 97.5% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
45 - 64 $115,714 1.0%
Over 65 $82,500 3.1%
Above poverty level
116
Below poverty level
3
Value Percent YoY
change
Above poverty level 116 97.5% -4.1%
Below poverty level 3 2.5% 0.0%

Average renter income in Rockville

To get a better sense of what renters earn on average in Rockville, their median household income was $71,667 according to 2022 Census data. In addition, the rent-to-income ratio in the area, at 34.9%, shows what portion of their earnings goes toward housing expenses.

Renter median household income
$71,667
Rent-to-income ratio
34.9%
Understanding the rent-to-income ratio can help renters gauge if local housing costs align with their earnings. A ratio under 30% usually signals affordability, while exceeding this mark means rent is taking a larger-than-recommended bite out of income. That could make it harder for you to cover other costs like transportation, healthcare, or child care.

Employment in Rockville

Workforce and job types in Rockville

The job market in Rockville is powered by 56 working residents, spread across a range of industries and roles. 94.6% of the working population are employed in professional or administrative positions, while 5.4% are in hands-on or service-based jobs. Also, 19.6% run their own businesses, 55.4% are employed by private companies, and 12.5% work in the public sector.

Workforce demographics

Working population
56
7.7% year-over-year change
White collar
53
Blue collar
3
Value Percent YoY change
White collar 53 94.6% 3.9%
Blue collar 3 5.4% 200.0%
Employer type
Self employees
19.6%
Private companies
55.4%
Governmental workers
12.5%
Not for profit companies
12.5%
Value Percent YoY change
Self employees 11 19.6% 37.5%
Private companies 31 55.4% 14.8%
Governmental workers 7 12.5% 16.7%
Not for profit companies 7 12.5% -36.4%

Transportation in Rockville

How people get around in Rockville

Means of transportation
Value Percent YoY change
Car 48 85.7% 9.1%
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 Rockville by zipcode?

Zipcode Population Number of households Median income Average income
29487 2,703 1,059 $105,592 $161,967

Explore more communities

FAQs about Rockville demographics 

What is the total population of Rockville?

Rockville has a total population of 121 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 -3.2% compared to a year ago.

What is the gender ratio in Rockville?

The gender ratio in Rockville is as follows:
  • 60.3% males (73 residents)
  • 39.7% females (48 residents)

What is the median age in Rockville?

The median age in Rockville is 51.3.

What is the age distribution of the population in Rockville?

The age distribution in Rockville is as follows:
  • Under 15: 14% (17 residents)
  • Ages 15-24: 10.7% (13 residents)
  • Ages 25-44: 9.1% (11 residents)
  • Ages 45-64: 28.1% (34 residents)
  • Over 65: 38% (46 residents)

What is the racial and ethnic makeup of Rockville?

The racial and ethnic makeup of Rockville is as follows:
  • White: 94.2% (114 residents)
  • Black or African American: 0% (0 residents)
  • American Indian and Alaska Native: 0% (0 residents)
  • Asian: 0% (0 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (0 residents)
  • Two or More Races: 4.1% (5 residents)
  • Other: 1.6% (2 residents)

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

U.S.-born citizens represent 97.5% of the population in Rockville.

How many housing units are there in Rockville?

There are 71 housing units in Rockville, reflecting a +1.4% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

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

Rockville has a total of 58 households, with an average of 2 people in each.

What is the median household income in Rockville?

Rockville has a median household income of $82,500, representing a +7.8% shift from the previous year, according to the U.S. Census Bureau.

What is the job market overview for Rockville?

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

Job types:
  • White-collar workers: 94.6% (53 residents)
  • Blue-collar workers: 5.4% (3 residents)

Places of employment:
  • Self-employed: 19.6% (11 residents)
  • Private companies: 55.4% (31 residents)
  • Governmental workers: 12.5% (7 residents)
  • Not-for-profit companies: 12.5% (7 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