Alexandria, SD demographics:
population, income, and more

Total population
692
-4.5% year-over-year change
Median household income
$102,679/yr
11.0% year-over-year change
Housing units
268
-7.6% year-over-year change

Alexandria population

How many people live in Alexandria

Alexandria is home to 692 residents, according to the most recent Census data. Gender-wise, 46.8% of Alexandria locals are male, and 53.2% are female.

Total population
692
-4.5% year-over-year change
Gender ratio
Male
46.8%
324
Female
53.2%
368
Value Percent YoY change
Male 324 46.8% -10.2%
Female 368 53.2% 1.1%
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 Alexandria is 41, with the population distributed as follows: about 17.6% are children under 15, then 9.5% are in the 15 to 24 age group. Adults between 25 and 44 make up 28.5% of the population, while another 24.9% fall into the 45 to 64 bracket. Finally, around 19.5% are 65 or older.

Median age
40.6
Age breakdown
Under 15
17.6%
15 to 24
9.5%
25 to 44
28.5%
45 to 64
24.9%
Over 65
19.5%
Value Percent YoY change
Under 15 122 17.6% -30.3%
15 to 24 66 9.5% 3.1%
25 to 44 197 28.5% -7.5%
45 to 64 172 24.9% 29.3%
Over 65 135 19.5% -3.6%
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 Alexandria, 99% of the population are US-born citizens, while 0.6% have gained naturalized citizenship. At the same time, 0.4% of residents are non-citizens. There’s also a share of 5.5% that includes residents with two or more races.

Citizenship
U.S.-born citizens
99%
Non-U.S.-born citizens
0.6%
Non-citizens
0.4%
Value Percent YoY change
U.S.-born citizens 685 99% -5.1%
Non-U.S.-born citizens 4 0.6% 33.3%
Non-citizens 3 0.4% N/A
Racial breakdown
White
93.6%
Black or African American
0%
American Indian and Alaska Native
0%
Asian
0%
Native Hawaiian and other Pacific Islander
0%
Two or more races
5.5%
Other
0.9%
Value Percent
White 648 93.6%
Two or more races 38 5.5%
Other 6 0.9%

Households in Alexandria

A peek inside Alexandria households

Alexandria has 253 households, with an average of 3 members in each. Of these, 71.5% are families, while the remaining 28.5% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
253
-4.9% year-over-year change
Average people per household
3
Non-family households
72
Family households
181
Value Percent YoY change
Non-family households 72 28.5% -7.7%
Family households 181 71.5% -3.7%
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 Alexandria

The housing landscape of Alexandria

Alexandria's housing consists of 268 units, with 92.9% being detached single-family homes ideal for those wanting space.

Housing units
268
-7.6% year-over-year change
Housing types
Value Percent
1 unit, detached 249 92.9%
3 or 4 units 11 4.1%
5 to 9 units 4 1.5%
10 to 19 units 4 1.5%
Homes built since 2020
2
0.0% year-over-year change

The age of buildings in Alexandria

In Alexandria, the median construction year is 1965. About 31% of homes were built before the 1940s, with another 3.7% going up by 1949. Most development happened in the second half of the 20th century. Then, 22.4% of homes were added from 2000 to 2009, 3% between 2010 and 2019, and 0.8% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 83 31% 5.1%
Built between 1940 and 1949 10 3.7% 66.7%
Built between 1950 and 1959 32 11.9% -31.9%
Built between 1960 and 1969 20 7.5% -9.1%
Built between 1970 and 1979 29 10.8% -25.6%
Built between 1980 and 1989 11 4.1% 10.0%
Built between 1990 and 1999 13 4.8% 8.3%
Built between 2000 and 2009 60 22.4% 1.7%
Built between 2010 and 2019 8 3% -42.9%
Built in 2020 or later 2 0.8% 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.

Alexandria occupancy rates

Out of the 253 occupied housing units in Alexandria, 83.4% are owner-occupied, while 16.6% are lived in by tenants. Meanwhile, 5.6% of all homes on the local market sit vacant.

Occupied housing units
253
-4.9% year-over-year change
Occupancy breakdown
Renter occupied
42
Owner occupied
211
Value Percent YoY
change
Renter occupied 42 16.6% -10.6%
Owner occupied 211 83.4% -3.6%
Unoccupied housing units
5.6%
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.

Alexandria housing costs

Housing costs in Alexandria come to a median of $800 per month, while tenants specifically pay a median gross rent of $775.

Median housing costs per month
$800/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 Alexandria
$775/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 Alexandria

Alexandria education at a glance

About 28.5% of the population in Alexandria went to high school, while 21.6% pursued college studies. Another 17.4% earned an associate degree and 24.2% hold a bachelor’s. Meanwhile, 8% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 2 0.4% -60.0%
High school diploma 154 28.5% -4.3%
College diploma 117 21.6% 17.0%
Associate degree 94 17.4% -6.0%
Bachelor's degree 131 24.2% 10.1%
Graduate degree 43 8% 16.2%
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 Alexandria

How much people earn in Alexandria

The average annual household income in Alexandria was $120,471 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 $102,679, reflecting a +11% shift over the same period.

Average household income in Alexandria
$120,471/year
15.2% year-over-year change
Median household income in Alexandria
$102,679/year
11.0% year-over-year change

Alexandria income by age

In Alexandria, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $106,250. Those with someone between 45 and 64 in charge, often well established professionally, earn $103,571 overall. Overall, 96.6% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
25 - 44 $106,250 -3.4%
45 - 64 $103,571 15.1%
Over 65 $73,250 3.4%
Above poverty level
656
Below poverty level
23
Value Percent YoY
change
Above poverty level 656 96.6% -6.2%
Below poverty level 23 3.4% 76.9%

Average renter income in Alexandria

To get a better sense of what renters earn on average in Alexandria, their median household income was $46,146 according to 2022 Census data. In addition, the rent-to-income ratio in the area, at 20.2%, shows what portion of their earnings goes toward housing expenses.

Renter median household income
$46,146
Rent-to-income ratio
20.2%
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 Alexandria

Workforce and job types in Alexandria

The job market in Alexandria is powered by 433 working residents, spread across a range of industries and roles. 82.7% of the working population are employed in professional or administrative positions, while 17.3% are in hands-on or service-based jobs. Also, 8.1% run their own businesses, 46.4% are employed by private companies, and 35.6% work in the public sector.

Workforce demographics

Working population
433
1.9% year-over-year change
White collar
358
Blue collar
75
Value Percent YoY change
White collar 358 82.7% 7.8%
Blue collar 75 17.3% -19.4%
Employer type
Self employees
8.1%
Private companies
46.4%
Governmental workers
35.6%
Not for profit companies
9.9%
Value Percent YoY change
Self employees 35 8.1% 59.1%
Private companies 201 46.4% -14.8%
Governmental workers 154 35.6% 6.9%
Not for profit companies 43 9.9% 87.0%

Transportation in Alexandria

How people get around in Alexandria

Commuting methods vary: 85.2% of residents travel by personal vehicle and 7.4% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Means of transportation
Value Percent YoY change
Car 369 85.2% 0.3%
Bicycle 3 0.7% 0.0%
Walk 32 7.4% 100.0%
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 Alexandria by zipcode?

Zipcode Population Number of households Median income Average income
57311 1,389 455 $103,839 $127,654

Explore more communities

FAQs about Alexandria demographics 

What is the total population of Alexandria?

Alexandria has a total population of 692 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 -4.5% compared to a year ago.

What is the gender ratio in Alexandria?

The gender ratio in Alexandria is as follows:
  • 46.8% males (324 residents)
  • 53.2% females (368 residents)

What is the median age in Alexandria?

The median age in Alexandria is 40.6.

What is the age distribution of the population in Alexandria?

The age distribution in Alexandria is as follows:
  • Under 15: 17.6% (122 residents)
  • Ages 15-24: 9.5% (66 residents)
  • Ages 25-44: 28.5% (197 residents)
  • Ages 45-64: 24.9% (172 residents)
  • Over 65: 19.5% (135 residents)

What is the racial and ethnic makeup of Alexandria?

The racial and ethnic makeup of Alexandria is as follows:
  • White: 93.6% (648 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: 5.5% (38 residents)
  • Other: 0.9% (6 residents)

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

U.S.-born citizens represent 99% of the population in Alexandria.

How many housing units are there in Alexandria?

There are 268 housing units in Alexandria, reflecting a -7.6% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

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

Alexandria has a total of 253 households, with an average of 3 people in each.

What is the median household income in Alexandria?

Alexandria has a median household income of $102,679, representing a +11.0% shift from the previous year, according to the U.S. Census Bureau.

What is the job market overview for Alexandria?

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

Job types:
  • White-collar workers: 82.7% (358 residents)
  • Blue-collar workers: 17.3% (75 residents)

Places of employment:
  • Self-employed: 8.1% (35 residents)
  • Private companies: 46.4% (201 residents)
  • Governmental workers: 35.6% (154 residents)
  • Not-for-profit companies: 9.9% (43 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