Sergeant Bluff, IA demographics:
population, income, and more

Total population
5,171
1.6% year-over-year change
Median household income
$123,481/yr
0.7% year-over-year change
Housing units
1,957
6.5% year-over-year change

Sergeant Bluff population

How many people live in Sergeant Bluff

Sergeant Bluff is home to 5,171 residents, according to the most recent Census data. Gender-wise, 51.1% of Sergeant Bluff locals are male, and 48.9% are female.

Total population
5,171
1.6% year-over-year change
Gender ratio
Male
51.1%
2,642
Female
48.9%
2,529
Value Percent YoY change
Male 2,642 51.1% 3.4%
Female 2,529 48.9% -0.2%
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 Sergeant Bluff is 37, with the population distributed as follows: about 21.7% are children under 15, then 12% are in the 15 to 24 age group. Adults between 25 and 44 make up 28.6% of the population, while another 25.2% fall into the 45 to 64 bracket. Finally, around 12.5% are 65 or older.

Median age
36.9
Age breakdown
Under 15
21.7%
15 to 24
12%
25 to 44
28.6%
45 to 64
25.2%
Over 65
12.5%
Value Percent YoY change
Under 15 1,123 21.7% -14.9%
15 to 24 619 12% 16.6%
25 to 44 1,481 28.6% 7.4%
45 to 64 1,302 25.2% 2.4%
Over 65 646 12.5% 9.9%
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

In Sergeant Bluff, 91.2% of the population are US-born citizens, while 3.4% have gained naturalized citizenship. At the same time, 5.4% of residents are non-citizens. As for race, 87.1% of locals are Caucasian, 0.9% are African American and 7.2% have Asian roots. There’s also a share of 3.5% that includes residents with two or more races.

Citizenship
U.S.-born citizens
91.2%
Non-U.S.-born citizens
3.4%
Non-citizens
5.4%
Value Percent YoY change
U.S.-born citizens 4,718 91.2% -3.6%
Non-U.S.-born citizens 175 3.4% 224.1%
Non-citizens 278 5.4% 95.8%
Racial breakdown
White
87.1%
Black or African American
0.9%
American Indian and Alaska Native
0%
Asian
7.2%
Native Hawaiian and other Pacific Islander
0%
Two or more races
3.5%
Other
1.2%
Value Percent
White 4,504 87.1%
Black or African American 48 0.9%
Asian 374 7.2%
Two or more races 182 3.5%
Other 63 1.2%

Households in Sergeant Bluff

A peek inside Sergeant Bluff households

Sergeant Bluff has 1,808 households, with an average of 3 members in each. Of these, 79.4% are families, while the remaining 20.6% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
1,808
4.3% year-over-year change
Average people per household
3
Non-family households
372
Family households
1,436
Value Percent YoY change
Non-family households 372 20.6% 21.2%
Family households 1,436 79.4% 0.6%
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 Sergeant Bluff

The housing landscape of Sergeant Bluff

Sergeant Bluff's housing consists of 1,957 units, with 60% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 23.7% 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 6.8% of the housing landscape.

Housing units
1,957
6.5% year-over-year change
Housing types
Value Percent
1 unit, detached 1,174 60%
1 unit, attached 463 23.7%
2 units 9 0.5%
5 to 9 units 14 0.7%
10 to 19 units 60 3.1%
20 to 49 units 54 2.8%
50 or more units 49 2.5%
Mobile home 134 6.8%
Homes built since 2020
42
223.1% year-over-year change

The age of buildings in Sergeant Bluff

In Sergeant Bluff, the median construction year is 1996. About 8% of homes were built before the 1940s, with another 1.9% going up by 1949. Most development happened in the second half of the 20th century. Then, 19.8% of homes were added from 2000 to 2009, 24% between 2010 and 2019, and 2.2% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 156 8% 71.4%
Built between 1940 and 1949 37 1.9% 8.8%
Built between 1950 and 1959 197 10.1% 26.3%
Built between 1960 and 1969 170 8.7% -2.9%
Built between 1970 and 1979 157 8% 14.6%
Built between 1980 and 1989 139 7.1% 3.0%
Built between 1990 and 1999 202 10.3% 4.1%
Built between 2000 and 2009 388 19.8% 26.0%
Built between 2010 and 2019 469 24% -21.0%
Built in 2020 or later 42 2.2% 223.1%
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.

Sergeant Bluff occupancy rates

Out of the 1,808 occupied housing units in Sergeant Bluff, 73.2% are owner-occupied, while 26.8% are lived in by tenants. Meanwhile, 7.6% of all homes on the local market sit vacant.

Occupied housing units
1,808
4.3% year-over-year change
Occupancy breakdown
Renter occupied
484
Owner occupied
1,324
Value Percent YoY
change
Renter occupied 484 26.8% 3.4%
Owner occupied 1,324 73.2% 4.6%
Unoccupied housing units
7.6%
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.

Sergeant Bluff housing costs

Housing costs in Sergeant Bluff come to a median of $1,439 per month, while tenants specifically pay a median gross rent of $1,156.

Median housing costs per month
$1,439/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 Sergeant Bluff
$1,156/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 Sergeant Bluff

Sergeant Bluff education at a glance

About 30.1% of the population in Sergeant Bluff went to high school, while 22.5% pursued college studies. Another 11.3% earned an associate degree and 21.3% hold a bachelor’s. Meanwhile, 12.9% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 74 2% 76.2%
High school diploma 1,125 30.1% 32.2%
College diploma 842 22.5% -8.5%
Associate degree 422 11.3% -11.2%
Bachelor's degree 796 21.3% -5.0%
Graduate degree 482 12.9% 11.1%
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 Sergeant Bluff

How much people earn in Sergeant Bluff

The average annual household income in Sergeant Bluff was $134,265 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a -0.2% change from the previous year. At the same time, the median income stood at $123,481, reflecting a +0.7% shift over the same period.

Average household income in Sergeant Bluff
$134,265/year
-0.2% year-over-year change
Median household income in Sergeant Bluff
$123,481/year
0.7% year-over-year change

Sergeant Bluff income by age

In Sergeant Bluff, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $175,875. Those with someone between 45 and 64 in charge, often well established professionally, earn $124,362 overall. Overall, 90.9% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
25 - 44 $175,875 23.7%
45 - 64 $124,362 -6.2%
Over 65 $83,750 2.5%
Above poverty level
4,585
Below poverty level
458
Value Percent YoY
change
Above poverty level 4,585 90.9% -0.7%
Below poverty level 458 9.1% 26.2%

Average renter income in Sergeant Bluff

To get a better sense of what renters earn on average in Sergeant Bluff, their median household income was $108,864 according to 2022 Census data. In addition, the rent-to-income ratio in the area, at 12.7%, shows what portion of their earnings goes toward housing expenses.

Renter median household income
$108,864
Rent-to-income ratio
12.7%
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 Sergeant Bluff

Workforce and job types in Sergeant Bluff

The job market in Sergeant Bluff is powered by 2,887 working residents, spread across a range of industries and roles. 68% of the working population are employed in professional or administrative positions, while 32% are in hands-on or service-based jobs. Also, 7.6% run their own businesses, 67.3% are employed by private companies, and 15% work in the public sector.

Workforce demographics

Working population
2,887
6.8% year-over-year change
White collar
1,963
Blue collar
924
Value Percent YoY change
White collar 1,963 68% -5.5%
Blue collar 924 32% 47.4%
Employer type
Self employees
7.6%
Private companies
67.3%
Governmental workers
15%
Not for profit companies
10.1%
Value Percent YoY change
Self employees 219 7.6% 17.7%
Private companies 1,944 67.3% 9.7%
Governmental workers 433 15% -8.3%
Not for profit companies 291 10.1% 6.2%
Unemployment rate
1.7%
-56.9% year-over-year change

Available workforce

The unemployment rate in Sergeant Bluff stands at 1.7%, 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 Sergeant Bluff

How people get around in Sergeant Bluff

Commuting methods vary: 93% of residents travel by personal vehicle and 1.4% 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 2,694 93% 6.4%
Taxicab 1 0% -50.0%
Bus or trolleybus 10 0.4% N/A
Walk 39 1.4% 457.1%
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 Sergeant Bluff by zipcode?

Zipcode Population Number of households Median income Average income
51054 5,583 1,961 $119,716 $134,282

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FAQs about Sergeant Bluff demographics 

What is the total population of Sergeant Bluff?

Sergeant Bluff has a total population of 5,171 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 +1.6% compared to a year ago.

What is the gender ratio in Sergeant Bluff?

The gender ratio in Sergeant Bluff is as follows:
  • 51.1% males (2,642 residents)
  • 48.9% females (2,529 residents)

What is the median age in Sergeant Bluff?

The median age in Sergeant Bluff is 36.9.

What is the age distribution of the population in Sergeant Bluff?

The age distribution in Sergeant Bluff is as follows:
  • Under 15: 21.7% (1,123 residents)
  • Ages 15-24: 12% (619 residents)
  • Ages 25-44: 28.6% (1,481 residents)
  • Ages 45-64: 25.2% (1,302 residents)
  • Over 65: 12.5% (646 residents)

What is the racial and ethnic makeup of Sergeant Bluff?

The racial and ethnic makeup of Sergeant Bluff is as follows:
  • White: 87.1% (4,504 residents)
  • Black or African American: 0.9% (48 residents)
  • American Indian and Alaska Native: 0% (0 residents)
  • Asian: 7.2% (374 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (0 residents)
  • Two or More Races: 3.5% (182 residents)
  • Other: 1.2% (63 residents)

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

U.S.-born citizens represent 91.2% of the population in Sergeant Bluff.

How many housing units are there in Sergeant Bluff?

There are 1,957 housing units in Sergeant Bluff, reflecting a +6.5% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

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

Sergeant Bluff has a total of 1,808 households, with an average of 3 people in each.

What is the median household income in Sergeant Bluff?

Sergeant Bluff has a median household income of $123,481, representing a +0.7% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for Sergeant Bluff?

The employment rate is 98.3% in Sergeant Bluff, with a workforce of 2,887 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 68% (1,963 residents)
  • Blue-collar workers: 32% (924 residents)

Places of employment:
  • Self-employed: 7.6% (219 residents)
  • Private companies: 67.3% (1,944 residents)
  • Governmental workers: 15% (433 residents)
  • Not-for-profit companies: 10.1% (291 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