Diamond, MO demographics:
population, income, and more

Total population
914
0.3% year-over-year change
Median household income
$73,587/yr
-0.6% year-over-year change
Housing units
359
-2.7% year-over-year change

Diamond population

How many people live in Diamond

Diamond is home to 914 residents, according to the most recent Census data. Gender-wise, 49.8% of Diamond locals are male, and 50.2% are female.

Total population
914
0.3% year-over-year change
Gender ratio
Male
49.8%
455
Female
50.2%
459
Value Percent YoY change
Male 455 49.8% 5.3%
Female 459 50.2% -4.2%
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 Diamond is 37, with the population distributed as follows: about 15.8% are children under 15, then 14% are in the 15 to 24 age group. Adults between 25 and 44 make up 35.1% of the population, while another 21.9% fall into the 45 to 64 bracket. Finally, around 13.2% are 65 or older.

Median age
37.3
Age breakdown
Under 15
15.8%
15 to 24
14%
25 to 44
35.1%
45 to 64
21.9%
Over 65
13.2%
Value Percent YoY change
Under 15 144 15.8% -8.3%
15 to 24 128 14% 7.6%
25 to 44 321 35.1% 4.6%
45 to 64 200 21.9% -7.8%
Over 65 121 13.2% 9.0%
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 Diamond, 99.3% of the population are US-born citizens, while 0.3% have gained naturalized citizenship. At the same time, 0.3% of residents are non-citizens. There’s also a share of 6.6% that includes residents with two or more races.

Citizenship
U.S.-born citizens
99.3%
Non-U.S.-born citizens
0.3%
Non-citizens
0.3%
Value Percent YoY change
U.S.-born citizens 908 99.3% 0.3%
Non-U.S.-born citizens 3 0.3% 0.0%
Non-citizens 3 0.3% 0.0%
Racial breakdown
White
87.2%
Black or African American
1.3%
American Indian and Alaska Native
1.2%
Asian
0%
Native Hawaiian and other Pacific Islander
0%
Two or more races
6.6%
Other
3.7%
Value Percent
White 797 87.2%
Black or African American 12 1.3%
American Indian and Alaska Native 11 1.2%
Two or more races 60 6.6%
Other 34 3.7%

Households in Diamond

A peek inside Diamond households

Diamond has 336 households, with an average of 3 members in each. Of these, 70.5% are families, while the remaining 29.5% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
336
-1.8% year-over-year change
Average people per household
3
Non-family households
99
Family households
237
Value Percent YoY change
Non-family households 99 29.5% -2.0%
Family households 237 70.5% -1.7%
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 Diamond

The housing landscape of Diamond

Diamond's housing consists of 359 units, with 89.7% 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 8.9% of the housing landscape.

Housing units
359
-2.7% year-over-year change
Housing types
Value Percent
1 unit, detached 322 89.7%
3 or 4 units 5 1.4%
Mobile home 32 8.9%
Homes built since 2020
4
300.0% year-over-year change

The age of buildings in Diamond

In Diamond, the median construction year is 1984. About 11.7% of homes were built before the 1940s, with another 3.1% going up by 1949. Most development happened in the second half of the 20th century. Then, 15.9% of homes were added from 2000 to 2009, 11.7% 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 42 11.7% -35.4%
Built between 1940 and 1949 11 3.1% 37.5%
Built between 1950 and 1959 19 5.3% 46.1%
Built between 1960 and 1969 35 9.8% 6.1%
Built between 1970 and 1979 55 15.3% 0.0%
Built between 1980 and 1989 46 12.8% 39.4%
Built between 1990 and 1999 48 13.4% -25.0%
Built between 2000 and 2009 57 15.9% 3.6%
Built between 2010 and 2019 42 11.7% 0.0%
Built in 2020 or later 4 1.1% 300.0%
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.

Diamond occupancy rates

Out of the 336 occupied housing units in Diamond, 78.3% are owner-occupied, while 21.7% are lived in by tenants. Meanwhile, 6.4% of all homes on the local market sit vacant.

Occupied housing units
336
-1.8% year-over-year change
Occupancy breakdown
Renter occupied
73
Owner occupied
263
Value Percent YoY
change
Renter occupied 73 21.7% -12.1%
Owner occupied 263 78.3% 1.5%
Unoccupied housing units
6.4%
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.

Diamond housing costs

Housing costs in Diamond come to a median of $915 per month, while tenants specifically pay a median gross rent of $863.

Median housing costs per month
$915/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 Diamond
$863/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 Diamond

Diamond education at a glance

About 50.3% of the population in Diamond went to high school, while 27.8% pursued college studies. Another 5.6% earned an associate degree and 13.2% hold a bachelor’s. Meanwhile, 2.6% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 4 0.6% -33.3%
High school diploma 367 50.3% 7.3%
College diploma 203 27.8% 7.4%
Associate degree 41 5.6% -24.1%
Bachelor's degree 96 13.2% -15.0%
Graduate degree 19 2.6% 46.1%
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 Diamond

How much people earn in Diamond

The average annual household income in Diamond was $80,472 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +5.2% change from the previous year. At the same time, the median income stood at $73,587, reflecting a -0.6% shift over the same period.

Average household income in Diamond
$80,472/year
5.2% year-over-year change
Median household income in Diamond
$73,587/year
-0.6% year-over-year change

Diamond income by age

In Diamond, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $84,107. Those with someone between 45 and 64 in charge, often well established professionally, earn $86,875 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $73,958, while those led by someone over 65, many of whom may be retired, have about $40,156 in earnings. Overall, 96.2% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Under 25 $73,958 -2.2%
25 - 44 $84,107 -6.5%
45 - 64 $86,875 5.3%
Over 65 $40,156 19.0%
Above poverty level
862
Below poverty level
34
Value Percent YoY
change
Above poverty level 862 96.2% 0.8%
Below poverty level 34 3.8% -17.1%

Average renter income in Diamond

To get a better sense of what renters earn on average in Diamond, their median household income was $48,889 according to 2022 Census data. In addition, the rent-to-income ratio in the area, at 21.2%, shows what portion of their earnings goes toward housing expenses.

Renter median household income
$48,889
Rent-to-income ratio
21.2%
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 Diamond

Workforce and job types in Diamond

The job market in Diamond is powered by 508 working residents, spread across a range of industries and roles. 70.5% of the working population are employed in professional or administrative positions, while 29.5% are in hands-on or service-based jobs. Also, 14% run their own businesses, 65.9% are employed by private companies, and 9.6% work in the public sector.

Workforce demographics

Working population
508
1.2% year-over-year change
White collar
358
Blue collar
150
Value Percent YoY change
White collar 358 70.5% -6.3%
Blue collar 150 29.5% 25.0%
Employer type
Self employees
14%
Private companies
65.9%
Governmental workers
9.6%
Not for profit companies
10.4%
Value Percent YoY change
Self employees 71 14% -7.8%
Private companies 335 65.9% -2.3%
Governmental workers 49 9.6% 44.1%
Not for profit companies 53 10.4% 10.4%
Unemployment rate
6.6%
33.3% year-over-year change

Available workforce

The unemployment rate in Diamond stands at 6.6%, 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 Diamond

How people get around in Diamond

In Diamond, the average commute time is 28 minutes. Commuting methods vary: 87% of residents travel by personal vehicle and 3.4% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Commute time
28 min
Means of transportation
Value Percent YoY change
Car 442 87% -5.2%
Walk 17 3.4% 750.0%
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 Diamond by zipcode?

Zipcode Population Number of households Median income Average income
64840 3,325 1,216 $65,000 $83,740

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FAQs about Diamond demographics 

What is the total population of Diamond?

Diamond has a total population of 914 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 +0.3% compared to a year ago.

What is the gender ratio in Diamond?

The gender ratio in Diamond is as follows:
  • 49.8% males (455 residents)
  • 50.2% females (459 residents)

What is the median age in Diamond?

The median age in Diamond is 37.3.

What is the age distribution of the population in Diamond?

The age distribution in Diamond is as follows:
  • Under 15: 15.8% (144 residents)
  • Ages 15-24: 14% (128 residents)
  • Ages 25-44: 35.1% (321 residents)
  • Ages 45-64: 21.9% (200 residents)
  • Over 65: 13.2% (121 residents)

What is the racial and ethnic makeup of Diamond?

The racial and ethnic makeup of Diamond is as follows:
  • White: 87.2% (797 residents)
  • Black or African American: 1.3% (12 residents)
  • American Indian and Alaska Native: 1.2% (11 residents)
  • Asian: 0% (0 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (0 residents)
  • Two or More Races: 6.6% (60 residents)
  • Other: 3.7% (34 residents)

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

U.S.-born citizens represent 99.3% of the population in Diamond.

How many housing units are there in Diamond?

There are 359 housing units in Diamond, reflecting a -2.7% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

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

Diamond has a total of 336 households, with an average of 3 people in each.

What is the median household income in Diamond?

Diamond has a median household income of $73,587, representing a -0.6% shift from the previous year, according to the U.S. Census Bureau.

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

The employment rate is 93.4% in Diamond, with a workforce of 508 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 70.5% (358 residents)
  • Blue-collar workers: 29.5% (150 residents)

Places of employment:
  • Self-employed: 14% (71 residents)
  • Private companies: 65.9% (335 residents)
  • Governmental workers: 9.6% (49 residents)
  • Not-for-profit companies: 10.4% (53 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