Oulu, WI demographics:
population, income, and more

Total population
456
3.9% year-over-year change
Median household income
$76,987/yr
4.4% year-over-year change
Housing units
380
1.3% year-over-year change

Oulu population

How many people live in Oulu

Oulu is home to 456 residents, according to the most recent Census data. Gender-wise, 49.6% of Oulu locals are male, and 50.4% are female.

Total population
456
3.9% year-over-year change
Gender ratio
Male
49.6%
226
Female
50.4%
230
Value Percent YoY change
Male 226 49.6% 3.7%
Female 230 50.4% 4.1%
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 Oulu is 55, with the population distributed as follows: about 12.9% are children under 15, then 8.3% are in the 15 to 24 age group. Adults between 25 and 44 make up 17.8% of the population, while another 33.1% fall into the 45 to 64 bracket. Finally, around 27.8% are 65 or older.

Median age
55
Age breakdown
Under 15
12.9%
15 to 24
8.3%
25 to 44
17.8%
45 to 64
33.1%
Over 65
27.8%
Value Percent YoY change
Under 15 59 12.9% 9.3%
15 to 24 38 8.3% 11.8%
25 to 44 81 17.8% 5.2%
45 to 64 151 33.1% 4.9%
Over 65 127 27.8% -2.3%
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 Oulu, 98.7% of the population are US-born citizens, while 0.9% have gained naturalized citizenship. At the same time, 0.4% of residents are non-citizens. As for race, 92.3% of locals are Caucasian, 0.4% are African American and 0.4% have Asian roots. There’s also a share of 4.8% that includes residents with two or more races.

Citizenship
U.S.-born citizens
98.7%
Non-U.S.-born citizens
0.9%
Non-citizens
0.4%
Value Percent YoY change
U.S.-born citizens 450 98.7% 3.7%
Non-U.S.-born citizens 4 0.9% 0.0%
Non-citizens 2 0.4% 0.0%
Racial breakdown
White
92.3%
Black or African American
0.4%
American Indian and Alaska Native
2%
Asian
0.4%
Native Hawaiian and other Pacific Islander
0%
Two or more races
4.8%
Other
0%
Value Percent
White 421 92.3%
Black or African American 2 0.4%
American Indian and Alaska Native 9 2%
Asian 2 0.4%
Two or more races 22 4.8%

Households in Oulu

A peek inside Oulu households

Oulu has 212 households, with an average of 2 members in each. Of these, 65.6% are families, while the remaining 34.4% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
212
0.5% year-over-year change
Average people per household
2
Non-family households
73
Family households
139
Value Percent YoY change
Non-family households 73 34.4% 1.4%
Family households 139 65.6% 0.0%
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 Oulu

The housing landscape of Oulu

Oulu's housing consists of 380 units, with 86.8% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 0.3% and offer a more compact, shared living style. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 4.8% of the housing landscape.

Housing units
380
1.3% year-over-year change
Housing types
Value Percent
1 unit, detached 329 86.8%
1 unit, attached 1 0.3%
2 units 5 1.3%
3 or 4 units 3 0.8%
5 to 9 units 3 0.8%
10 to 19 units 16 4.2%
20 to 49 units 3 0.8%
Mobile home 18 4.8%
Boat, RV, van, etc. 1 0.3%
Homes built since 2020
4
0.0% year-over-year change

The age of buildings in Oulu

In Oulu, the median construction year is 1982. About 11.6% of homes were built before the 1940s, with another 6.1% 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, 9% between 2010 and 2019, and 1.1% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 44 11.6% 12.8%
Built between 1940 and 1949 23 6.1% -4.2%
Built between 1950 and 1959 36 9.5% 16.1%
Built between 1960 and 1969 29 7.6% -6.5%
Built between 1970 and 1979 33 8.7% -17.5%
Built between 1980 and 1989 44 11.6% -8.3%
Built between 1990 and 1999 47 12.4% -2.1%
Built between 2000 and 2009 85 22.4% 6.2%
Built between 2010 and 2019 34 9% 9.7%
Built in 2020 or later 4 1.1% 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.

Oulu occupancy rates

Out of the 212 occupied housing units in Oulu, 80.2% are owner-occupied, while 19.3% are lived in by tenants. Meanwhile, 44.2% of all homes on the local market sit vacant.

Occupied housing units
212
0.5% year-over-year change
Occupancy breakdown
Renter occupied
41
Owner occupied
170
Value Percent YoY
change
Renter occupied 41 19.3% 7.9%
Owner occupied 170 80.2% -1.7%
Unoccupied housing units
44.2%
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.

Oulu housing costs

Housing costs in Oulu come to a median of $938 per month, while tenants specifically pay a median gross rent of $828.

Median housing costs per month
$938/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 Oulu
$828/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 Oulu

Oulu education at a glance

About 34.7% of the population in Oulu went to high school, while 22.9% pursued college studies. Another 11.8% earned an associate degree and 19.2% hold a bachelor’s. Meanwhile, 10.3% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 4 1% 0.0%
High school diploma 132 34.7% 3.9%
College diploma 87 22.9% 2.4%
Associate degree 45 11.8% 0.0%
Bachelor's degree 73 19.2% 4.3%
Graduate degree 39 10.3% 5.4%
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 Oulu

How much people earn in Oulu

The average annual household income in Oulu was $96,458 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +0.5% change from the previous year. At the same time, the median income stood at $76,987, reflecting a +4.4% shift over the same period.

Average household income in Oulu
$96,458/year
0.5% year-over-year change
Median household income in Oulu
$76,987/year
4.4% year-over-year change

Oulu income by age

In Oulu, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $78,938. Those with someone between 45 and 64 in charge, often well established professionally, earn $105,547 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $26,912, while those led by someone over 65, many of whom may be retired, have about $55,139 in earnings. Overall, 92% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Under 25 $26,912 N/A
25 - 44 $78,938 -9.0%
45 - 64 $105,547 5.2%
Over 65 $55,139 5.0%
Above poverty level
415
Below poverty level
36
Value Percent YoY
change
Above poverty level 415 92% 1.2%
Below poverty level 36 8% 38.5%

Employment in Oulu

Workforce and job types in Oulu

72.8% of the working population are employed in professional or administrative positions, while 27.2% are in hands-on or service-based jobs. Also, 9.7% run their own businesses, 64.8% are employed by private companies, and 14.8% work in the public sector.

Workforce demographics

White collar
142
Blue collar
53
Value Percent YoY change
White collar 142 72.8% 6.0%
Blue collar 53 27.2% -7.0%
Employer type
Self employees
9.7%
Private companies
64.8%
Governmental workers
14.8%
Not for profit companies
10.7%
Value Percent YoY change
Self employees 19 9.7% 5.6%
Private companies 127 64.8% 0.8%
Governmental workers 29 14.8% 3.6%
Not for profit companies 21 10.7% 10.5%

Transportation in Oulu

How people get around in Oulu

Commuting methods vary: 98.2% of residents travel by personal vehicle and 1.8% 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 166 98.2% 2.5%
Walk 3 1.8% 0.0%
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 Oulu by zipcode?

Zipcode Population Number of households Median income Average income
54847 2,607 1,203 $68,795 $96,058
54820 707 339 $85,179 $97,578

Explore more communities

FAQs about Oulu demographics 

What is the total population of Oulu?

Oulu has a total population of 456 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 +3.9% compared to a year ago.

What is the gender ratio in Oulu?

The gender ratio in Oulu is as follows:
  • 49.6% males (226 residents)
  • 50.4% females (230 residents)

What is the median age in Oulu?

The median age in Oulu is 55.

What is the age distribution of the population in Oulu?

The age distribution in Oulu is as follows:
  • Under 15: 12.9% (59 residents)
  • Ages 15-24: 8.3% (38 residents)
  • Ages 25-44: 17.8% (81 residents)
  • Ages 45-64: 33.1% (151 residents)
  • Over 65: 27.8% (127 residents)

What is the racial and ethnic makeup of Oulu?

The racial and ethnic makeup of Oulu is as follows:
  • White: 92.3% (421 residents)
  • Black or African American: 0.4% (2 residents)
  • American Indian and Alaska Native: 2% (9 residents)
  • Asian: 0.4% (2 residents)
  • Native Hawaiian and Other Pacific Islander: 0% ( residents)
  • Two or More Races: 4.8% (22 residents)
  • Other: 0% (0 residents)

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

U.S.-born citizens represent 98.7% of the population in Oulu.

How many housing units are there in Oulu?

There are 380 housing units in Oulu, reflecting a +1.3% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

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

Oulu has a total of 212 households, with an average of 2 people in each.

What is the median household income in Oulu?

Oulu has a median household income of $76,987, representing a +4.4% shift from the previous year, according to the U.S. Census Bureau.

What is the job market overview for Oulu?

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

Job types:
  • White-collar workers: 72.8% (142 residents)
  • Blue-collar workers: 27.2% (53 residents)

Places of employment:
  • Self-employed: 9.7% (19 residents)
  • Private companies: 64.8% (127 residents)
  • Governmental workers: 14.8% (29 residents)
  • Not-for-profit companies: 10.7% (21 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