Diamond vs Seneca

A side-by-side comparison of Diamond and Seneca: population, income, housing, and more.

Diamond and Seneca are places in Missouri. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Seneca has the higher population (1,938 vs 911 in Diamond). Diamond has the higher median household income ($74,000 vs $49,821 in Seneca). Diamond has the higher median home value ($132,800 vs $112,300 in Seneca).

Population, income & housing

	Diamond	Seneca
Population	911	1,938
Median age	37.5 yrs	35.7 yrs
Median household income	$74,000	$49,821
Median home value	$132,800	$112,300
Median gross rent	$814	$886
Housing units	369	800
Homeownership rate	75.7%	61.3%
Bachelor's degree or higher	19.8%	10.1%
Unemployment rate	5.1%	0.3%

Trends (ACS 5-year, 2019–2023)

	Diamond	Seneca
Population	874 → 911 (+4.2%)	2,490 → 1,938 (-22.2%)
Median household income	$46,595 → $74,000 (+58.8%)	$37,117 → $49,821 (+34.2%)
Median home value	$81,200 → $132,800 (+63.5%)	$85,800 → $112,300 (+30.9%)
Median gross rent	$571 → $814 (+42.6%)	$712 → $886 (+24.4%)

Diamond

Population

874911

Median household income

$46,595$74,000

Median home value

$81,200$132,800

Median gross rent

$571$814

Seneca

Population

2,4901,938

Median household income

$37,117$49,821

Median home value

$85,800$112,300

Median gross rent

$712$886

Age & race/ethnicity

Age distribution (share)

	Diamond	Seneca
Under 5	9.0%	10.7%
5 to 17	12.3%	14.9%
18 to 24	9.0%	11.0%
25 to 34	14.8%	12.5%
35 to 44	18.9%	7.4%
45 to 54	16.7%	8.5%
55 to 64	7.1%	13.6%
65 to 74	7.9%	10.6%
75 and over	4.3%	10.8%

Race & ethnicity (share)

	Diamond	Seneca
White (non-Hispanic)	84.2%	73.8%
Black or African American	0.9%	0.0%
American Indian & Alaska Native	1.1%	3.7%
Asian	0.0%	0.4%
Native Hawaiian & Pacific Islander	0.0%	5.8%
Some other race	0.4%	3.1%
Two or more races	5.2%	7.0%
Hispanic or Latino	8.2%	6.2%

Educational attainment (age 25+)

Share of adults 25+

	Diamond	Seneca
No high school diploma	12.6%	9.7%
High school graduate	33.7%	42.0%
Some college or associate's	33.9%	38.2%
Bachelor's degree	17.8%	7.3%
Graduate or professional degree	2.0%	2.8%

Commute to work

How workers get to work (share)

	Diamond	Seneca
Drove alone	79.7%	76.7%
Carpooled	13.1%	15.3%
Public transit	0.0%	0.0%
Walked	0.4%	2.1%
Bicycle	0.0%	0.0%
Worked from home	4.4%	5.9%
Other means	2.4%	0.0%

Housing

Units in structure (share)

	Diamond	Seneca
1-unit, detached	89.7%	92.3%
1-unit, attached	0.0%	0.1%
2 to 4 units	2.2%	2.0%
5 to 19 units	0.0%	2.9%
20 or more units	0.0%	0.0%
Mobile home & other	8.1%	2.8%

Poverty & households

	Diamond	Seneca
Poverty rate	4.6%	19.1%
Average household size	2.66	2.83
Mean commute (minutes)	29	23
Median year structure built	1983	1971