Diamond Population

2010–2026

920

2026 projection

10.7% since 2020 (increase)

02004006008001K201020122014201620182020202220242026

Source: U.S. Census Bureau decennial counts and annual estimates, including 2010–2020 intercensal estimates. 2026 is a projection. Values between recorded years are interpolated.

Use the left and right arrow keys to inspect population observations.

Population by year

Population estimates for Diamond. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
2026920+141.55%
2025906+141.57%
2024892+182.06%
2023874+171.98%
2022857+60.71%
2021851+202.41%
2020831-111.31%
2019842-30.36%
2018845-111.29%
2017856-60.70%

Showing 10 of 17 years.

The 2020 row compares the April 1 Census count with the July 1, 2019 estimate (about nine months). Its Growth and Annual change therefore do not represent a full year.

Growth since 2020, compared

Diamond is growing faster than Newton County, Missouri, and the U.S.

  • Diamond+8.6%
  • Newton County+6.1%
  • United States+3.1%
  • Missouri+1.9%

Change from July 1, 2020 to July 1, 2025 population estimates—not annualized growth or site projections.

Source: U.S. Census Bureau. U.S. totals are summed from the 50 states and D.C.; unavailable comparisons are omitted.

Diamond Demographics

37.3median age

Median age

Female37.5 yrs
Male36.5 yrs

Adults

730
121 seniors (65+) · 17% of adults609 other adults

Sex

Female 50.2% · 459Male 49.8% · 455

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101

Race and ethnicity

Tap a square or a group below to highlight it.

Each square is about 1% of residents (roughly 9 people).

Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002

Diamond Income

$73,587median household income

Median household income

$73,587

Half of households earn more, half earn less

Median earnings

$48,587

Typical yearly pay for a worker 25 or older.

Poverty rate

3.7%

About 1 in 27 residents

U.S. Census Bureau, 2024 ACS 5-year estimates · Tables S1901, S1501, S1701

Diamond Marital Status

44% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married44%45%44%
Never married32%31%32%
Divorced19%20%17%
Widowed5%3%7%
Separated<1%<1%0%

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201