Frankfort, SD demographics:
population, income, and more

Total population
128
-9.9% year-over-year change
Median household income
$68,750/yr
11.1% year-over-year change
Housing units
82
-2.4% year-over-year change

Frankfort population

How many people live in Frankfort

Frankfort is home to 128 residents, according to the most recent Census data. Gender-wise, 58.6% of Frankfort locals are male, and 41.4% are female.

Total population
128
-9.9% year-over-year change
Gender ratio
Male
58.6%
75
Female
41.4%
53
Value Percent YoY change
Male 75 58.6% 2.7%
Female 53 41.4% -23.2%
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 Frankfort is 54, with the population distributed as follows: about 14.8% are children under 15, then 8.6% are in the 15 to 24 age group. Adults between 25 and 44 make up 21.9% of the population, while another 19.5% fall into the 45 to 64 bracket. Finally, around 35.2% are 65 or older.

Median age
54.5
Age breakdown
Under 15
14.8%
15 to 24
8.6%
25 to 44
21.9%
45 to 64
19.5%
Over 65
35.2%
Value Percent YoY change
Under 15 19 14.8% -5.0%
15 to 24 11 8.6% 0.0%
25 to 44 28 21.9% 16.7%
45 to 64 25 19.5% -30.6%
Over 65 45 35.2% -11.8%
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 Frankfort, 97.7% of the population are US-born citizens, while 2.3% have gained naturalized citizenship.

Citizenship
U.S.-born citizens
97.7%
Non-U.S.-born citizens
2.3%
Non-citizens
0%
Value Percent YoY change
U.S.-born citizens 125 97.7% -10.7%
Non-U.S.-born citizens 3 2.3% 50.0%
Racial breakdown
White
99.2%
Black or African American
0%
American Indian and Alaska Native
0%
Asian
0%
Native Hawaiian and other Pacific Islander
0%
Two or more races
0%
Other
0.8%
Value Percent
White 127 99.2%
Other 1 0.8%

Households in Frankfort

A peek inside Frankfort households

Frankfort has 61 households, with an average of 2 members in each. Of these, 55.7% are families, while the remaining 44.3% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
61
-1.6% year-over-year change
Average people per household
2
Non-family households
27
Family households
34
Value Percent YoY change
Non-family households 27 44.3% 8.0%
Family households 34 55.7% -8.1%
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 Frankfort

The housing landscape of Frankfort

Frankfort's housing consists of 82 units, with 91.5% 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 8.5% of the housing landscape.

Housing units
82
-2.4% year-over-year change
Housing types
Value Percent
1 unit, detached 75 91.5%
Mobile home 7 8.5%
Homes built since 2020
0
% year-over-year change

The age of buildings in Frankfort

In Frankfort, the median construction year is 1938. About 52.4% of homes were built before the 1940s, with another 14.6% 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 43 52.4% -15.7%
Built between 1940 and 1949 12 14.6% 20.0%
Built between 1960 and 1969 1 1.2% -50.0%
Built between 1970 and 1979 9 11% 800.0%
Built between 1980 and 1989 3 3.7% 50.0%
Built between 1990 and 1999 5 6.1% -50.0%
Built between 2000 and 2009 2 2.4% N/A
Built between 2010 and 2019 7 8.5% 0.0%
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.

Frankfort occupancy rates

Out of the 61 occupied housing units in Frankfort, 98.4% are owner-occupied, while 1.6% are lived in by tenants. Meanwhile, 25.6% of all homes on the local market sit vacant.

Occupied housing units
61
-1.6% year-over-year change
Occupancy breakdown
Renter occupied
1
Owner occupied
60
Value Percent YoY
change
Renter occupied 1 1.6% 0.0%
Owner occupied 60 98.4% -1.6%
Unoccupied housing units
25.6%
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.

Frankfort housing costs

Median housing costs per month
$550/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 Frankfort

Frankfort education at a glance

About 45.3% of the population in Frankfort went to high school, while 31.1% pursued college studies. Another 0.9% earned an associate degree and 14.2% hold a bachelor’s. Meanwhile, 1.9% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 7 6.6% 16.7%
High school diploma 48 45.3% 4.3%
College diploma 33 31.1% -17.5%
Associate degree 1 0.9% -66.7%
Bachelor's degree 15 14.2% -25.0%
Graduate degree 2 1.9% N/A
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 Frankfort

How much people earn in Frankfort

The average annual household income in Frankfort was $75,049 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a -9% change from the previous year. At the same time, the median income stood at $68,750, reflecting a +11.1% shift over the same period.

Average household income in Frankfort
$75,049/year
-9.0% year-over-year change
Median household income in Frankfort
$68,750/year
11.1% year-over-year change

Frankfort income by age

In Frankfort, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $122,778. Those with someone between 45 and 64 in charge, often well established professionally, earn $104,375 overall. Overall, 93.8% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
25 - 44 $122,778 16.2%
45 - 64 $104,375 21.0%
Over 65 $41,250 13.8%
Above poverty level
120
Below poverty level
8
Value Percent YoY
change
Above poverty level 120 93.8% -7.7%
Below poverty level 8 6.2% -33.3%

Employment in Frankfort

Workforce and job types in Frankfort

The job market in Frankfort is powered by 65 working residents, spread across a range of industries and roles. 58.5% of the working population are employed in professional or administrative positions, while 41.5% are in hands-on or service-based jobs. Also, 16.9% run their own businesses, 56.9% are employed by private companies, and 18.5% work in the public sector.

Workforce demographics

Working population
65
-4.4% year-over-year change
White collar
38
Blue collar
27
Value Percent YoY change
White collar 38 58.5% 22.6%
Blue collar 27 41.5% -27.0%
Employer type
Self employees
16.9%
Private companies
56.9%
Governmental workers
18.5%
Not for profit companies
7.7%
Value Percent YoY change
Self employees 11 16.9% 266.7%
Private companies 37 56.9% -11.9%
Governmental workers 12 18.5% -36.8%
Not for profit companies 5 7.7% 25.0%
Unemployment rate
4.4%
0.0% year-over-year change

Available workforce

The unemployment rate in Frankfort stands at 4.4%, representing the share of the workforce currently without a job and actively looking for one.

For renters, the unemployment rate helps paint a picture of job security and financial stability in the area. Rates around 4% to 5% are considered typical. A lower-than-average rate might suggest strong job prospects and a thriving local economy, while a higher rate could hint at fewer opportunities—both useful to consider when planning a move.

Transportation in Frankfort

How people get around in Frankfort

Means of transportation
Value Percent YoY change
Car 45 69.2% -22.4%
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 Frankfort by zipcode?

Zipcode Population Number of households Median income Average income
57440 466 122 $54,625 $118,701

Explore more communities

FAQs about Frankfort demographics 

What is the total population of Frankfort?

Frankfort has a total population of 128 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 -9.9% compared to a year ago.

What is the gender ratio in Frankfort?

The gender ratio in Frankfort is as follows:
  • 58.6% males (75 residents)
  • 41.4% females (53 residents)

What is the median age in Frankfort?

The median age in Frankfort is 54.5.

What is the age distribution of the population in Frankfort?

The age distribution in Frankfort is as follows:
  • Under 15: 14.8% (19 residents)
  • Ages 15-24: 8.6% (11 residents)
  • Ages 25-44: 21.9% (28 residents)
  • Ages 45-64: 19.5% (25 residents)
  • Over 65: 35.2% (45 residents)

What is the racial and ethnic makeup of Frankfort?

The racial and ethnic makeup of Frankfort is as follows:
  • White: 99.2% (127 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: 0% (0 residents)
  • Other: 0.8% (1 residents)

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

U.S.-born citizens represent 97.7% of the population in Frankfort.

How many housing units are there in Frankfort?

There are 82 housing units in Frankfort, reflecting a -2.4% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

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

Frankfort has a total of 61 households, with an average of 2 people in each.

What is the median household income in Frankfort?

Frankfort has a median household income of $68,750, representing a +11.1% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for Frankfort?

The employment rate is 95.6% in Frankfort, with a workforce of 65 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 58.5% (38 residents)
  • Blue-collar workers: 41.5% (27 residents)

Places of employment:
  • Self-employed: 16.9% (11 residents)
  • Private companies: 56.9% (37 residents)
  • Governmental workers: 18.5% (12 residents)
  • Not-for-profit companies: 7.7% (5 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