Monroe, SD demographics:
population, income, and more

Total population
233
-2.5% year-over-year change
Median household income
$51,250/yr
38.4% year-over-year change
Housing units
151
5.6% year-over-year change

Monroe population

How many people live in Monroe

Monroe is home to 233 residents, according to the most recent Census data. Gender-wise, 54.9% of Monroe locals are male, and 45.1% are female.

Total population
233
-2.5% year-over-year change
Gender ratio
Male
54.9%
128
Female
45.1%
105
Value Percent YoY change
Male 128 54.9% -4.5%
Female 105 45.1% 0.0%
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 Monroe is 34, with the population distributed as follows: about 6% are children under 15, then 24% are in the 15 to 24 age group. Adults between 25 and 44 make up 30% of the population, while another 25.8% fall into the 45 to 64 bracket. Finally, around 14.2% are 65 or older.

Median age
33.8
Age breakdown
Under 15
6%
15 to 24
24%
25 to 44
30%
45 to 64
25.8%
Over 65
14.2%
Value Percent YoY change
Under 15 14 6% -44.0%
15 to 24 56 24% 19.1%
25 to 44 70 30% -4.1%
45 to 64 60 25.8% -11.8%
Over 65 33 14.2% 26.9%
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

At the same time, 3.4% of residents are non-citizens. There’s also a share of 15% that includes residents with two or more races.

Citizenship
U.S.-born citizens
96.6%
Non-U.S.-born citizens
0%
Non-citizens
3.4%
Value Percent YoY change
U.S.-born citizens 225 96.6% -3.0%
Non-citizens 8 3.4% 14.3%
Racial breakdown
White
85%
Black or African American
0%
American Indian and Alaska Native
0%
Asian
0%
Native Hawaiian and other Pacific Islander
0%
Two or more races
15%
Other
0%
Value Percent
White 198 85%
Two or more races 35 15%

Households in Monroe

A peek inside Monroe households

Monroe has 134 households, with an average of 2 members in each. Of these, 35.8% are families, while the remaining 64.2% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
134
5.5% year-over-year change
Average people per household
2
Non-family households
86
Family households
48
Value Percent YoY change
Non-family households 86 64.2% 30.3%
Family households 48 35.8% -21.3%
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 Monroe

The housing landscape of Monroe

Monroe's housing consists of 151 units, with 86.8% 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 6.6% of the housing landscape.

Housing units
151
5.6% year-over-year change
Housing types
Value Percent
1 unit, detached 131 86.8%
3 or 4 units 8 5.3%
5 to 9 units 2 1.3%
Mobile home 10 6.6%
Homes built since 2020
0
% year-over-year change

The age of buildings in Monroe

In Monroe, the median construction year is 1948. About 39.7% of homes were built before the 1940s, with another 12.6% 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 60 39.7% 22.4%
Built between 1940 and 1949 19 12.6% -5.0%
Built between 1950 and 1959 7 4.6% 250.0%
Built between 1960 and 1969 9 6% -18.2%
Built between 1970 and 1979 24 15.9% 4.3%
Built between 1980 and 1989 17 11.3% -43.3%
Built between 1990 and 1999 10 6.6% 233.3%
Built between 2000 and 2009 2 1.3% 0.0%
Built between 2010 and 2019 3 2% 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.

Monroe occupancy rates

Out of the 134 occupied housing units in Monroe, 77.6% are owner-occupied, while 22.4% are lived in by tenants. Meanwhile, 11.3% of all homes on the local market sit vacant.

Occupied housing units
134
5.5% year-over-year change
Occupancy breakdown
Renter occupied
30
Owner occupied
104
Value Percent YoY
change
Renter occupied 30 22.4% -9.1%
Owner occupied 104 77.6% 10.6%
Unoccupied housing units
11.3%
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.

Monroe housing costs

Housing costs in Monroe come to a median of $542 per month, while tenants specifically pay a median gross rent of $750.

Median housing costs per month
$542/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 Monroe
$750/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 Monroe

Monroe education at a glance

About 53.7% of the population in Monroe went to high school, while 16.3% pursued college studies. Another 17.2% earned an associate degree and 5.9% hold a bachelor’s. Meanwhile, 4.4% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 5 2.5% 25.0%
High school diploma 109 53.7% 1.9%
College diploma 33 16.3% 3.1%
Associate degree 35 17.2% 75.0%
Bachelor's degree 12 5.9% -25.0%
Graduate degree 9 4.4% -52.6%
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 Monroe

How much people earn in Monroe

The average annual household income in Monroe was $55,172 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +12.7% change from the previous year. At the same time, the median income stood at $51,250, reflecting a +38.4% shift over the same period.

Average household income in Monroe
$55,172/year
12.7% year-over-year change
Median household income in Monroe
$51,250/year
38.4% year-over-year change

Monroe income by age

In Monroe, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $39,635. Those with someone between 45 and 64 in charge, often well established professionally, earn $70,278 overall. Overall, 75.3% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
25 - 44 $39,635 6.0%
45 - 64 $70,278 N/A
Over 65 $35,000 N/A
Above poverty level
174
Below poverty level
57
Value Percent YoY
change
Above poverty level 174 75.3% -6.5%
Below poverty level 57 24.7% 11.8%

Employment in Monroe

Workforce and job types in Monroe

The job market in Monroe is powered by 139 working residents, spread across a range of industries and roles. 71.9% of the working population are employed in professional or administrative positions, while 28.1% are in hands-on or service-based jobs. Also, 14.4% run their own businesses, 56.8% are employed by private companies, and 23% work in the public sector.

Workforce demographics

Working population
139
-1.4% year-over-year change
White collar
100
Blue collar
39
Value Percent YoY change
White collar 100 71.9% -9.9%
Blue collar 39 28.1% 30.0%
Employer type
Self employees
14.4%
Private companies
56.8%
Governmental workers
23%
Not for profit companies
5.8%
Value Percent YoY change
Self employees 20 14.4% -33.3%
Private companies 79 56.8% 23.4%
Governmental workers 32 23% -15.8%
Not for profit companies 8 5.8% -11.1%
Unemployment rate
5.4%
700.0% year-over-year change

Available workforce

The unemployment rate in Monroe stands at 5.4%, 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 Monroe

How people get around in Monroe

Means of transportation
Value Percent YoY change
Car 110 83.3% 1.9%
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 Monroe by zipcode?

Zipcode Population Number of households Median income Average income
57047 389 196 $55,417 $73,665

Explore more communities

FAQs about Monroe demographics 

What is the total population of Monroe?

Monroe has a total population of 233 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 -2.5% compared to a year ago.

What is the gender ratio in Monroe?

The gender ratio in Monroe is as follows:
  • 54.9% males (128 residents)
  • 45.1% females (105 residents)

What is the median age in Monroe?

The median age in Monroe is 33.8.

What is the age distribution of the population in Monroe?

The age distribution in Monroe is as follows:
  • Under 15: 6% (14 residents)
  • Ages 15-24: 24% (56 residents)
  • Ages 25-44: 30% (70 residents)
  • Ages 45-64: 25.8% (60 residents)
  • Over 65: 14.2% (33 residents)

What is the racial and ethnic makeup of Monroe?

The racial and ethnic makeup of Monroe is as follows:
  • White: 85% (198 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: 15% (35 residents)
  • Other: 0% (0 residents)

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

U.S.-born citizens represent 96.6% of the population in Monroe.

How many housing units are there in Monroe?

There are 151 housing units in Monroe, reflecting a +5.6% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

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

Monroe has a total of 134 households, with an average of 2 people in each.

What is the median household income in Monroe?

Monroe has a median household income of $51,250, representing a +38.4% shift from the previous year, according to the U.S. Census Bureau.

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

The employment rate is 94.6% in Monroe, with a workforce of 139 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 71.9% (100 residents)
  • Blue-collar workers: 28.1% (39 residents)

Places of employment:
  • Self-employed: 14.4% (20 residents)
  • Private companies: 56.8% (79 residents)
  • Governmental workers: 23% (32 residents)
  • Not-for-profit companies: 5.8% (8 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