Iron Mountain Lake vs Terre du Lac

A side-by-side comparison of Iron Mountain Lake and Terre du Lac: population, income, housing, and more.

Iron Mountain Lake and Terre du Lac are places in Missouri. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Terre du Lac has the higher population (2,460 vs 789 in Iron Mountain Lake). Terre du Lac has the higher median household income ($93,115 vs $30,395 in Iron Mountain Lake). Terre du Lac has the higher median home value ($186,400 vs $38,600 in Iron Mountain Lake).

Population, income & housing

	Iron Mountain Lake	Terre du Lac
Population	789	2,460
Median age	48.5 yrs	44.8 yrs
Median household income	$30,395	$93,115
Median home value	$38,600	$186,400
Median gross rent	$715	—
Housing units	392	1,294
Homeownership rate	75.9%	92.7%
Bachelor's degree or higher	2.3%	29.1%
Unemployment rate	2.7%	6.2%

Trends (ACS 5-year, 2019–2023)

	Iron Mountain Lake	Terre du Lac
Population	704 → 789 (+12.1%)	2,662 → 2,460 (-7.6%)
Median household income	$26,696 → $30,395 (+13.9%)	$62,627 → $93,115 (+48.7%)
Median home value	$46,100 → $38,600 (-16.3%)	$155,000 → $186,400 (+20.3%)
Median gross rent	$694 → $715 (+3.0%)	$822 → $876 (+6.6%)

Iron Mountain Lake

Population

704789

Median household income

$26,696$30,395

Median home value

$46,100$38,600

Median gross rent

$694$715

Terre du Lac

Population

2,6622,460

Median household income

$62,627$93,115

Median home value

$155,000$186,400

Median gross rent

$822$876

Age & race/ethnicity

Age distribution (share)

	Iron Mountain Lake	Terre du Lac
Under 5	5.6%	4.2%
5 to 17	15.8%	12.7%
18 to 24	2.0%	10.2%
25 to 34	13.4%	10.9%
35 to 44	8.4%	12.4%
45 to 54	16.6%	14.4%
55 to 64	25.7%	16.6%
65 to 74	8.6%	11.2%
75 and over	3.8%	7.3%

Race & ethnicity (share)

	Iron Mountain Lake	Terre du Lac
White (non-Hispanic)	97.7%	96.9%
Black or African American	0.1%	0.0%
American Indian & Alaska Native	0.1%	0.0%
Asian	0.0%	1.0%
Native Hawaiian & Pacific Islander	0.0%	0.0%
Some other race	0.0%	0.6%
Two or more races	1.5%	1.5%
Hispanic or Latino	0.5%	0.0%

Educational attainment (age 25+)

Share of adults 25+

	Iron Mountain Lake	Terre du Lac
No high school diploma	32.3%	4.7%
High school graduate	48.7%	26.4%
Some college or associate's	16.7%	39.9%
Bachelor's degree	0.2%	17.6%
Graduate or professional degree	2.2%	11.4%

Commute to work

How workers get to work (share)

	Iron Mountain Lake	Terre du Lac
Drove alone	85.1%	74.1%
Carpooled	11.3%	6.9%
Public transit	0.0%	0.0%
Walked	0.8%	0.0%
Bicycle	0.0%	0.0%
Worked from home	2.8%	18.9%
Other means	0.0%	0.0%

Housing

Units in structure (share)

	Iron Mountain Lake	Terre du Lac
1-unit, detached	88.5%	85.2%
1-unit, attached	0.0%	7.7%
2 to 4 units	0.0%	0.0%
5 to 19 units	0.0%	0.0%
20 or more units	0.0%	0.0%
Mobile home & other	11.5%	7.1%

Poverty & households

	Iron Mountain Lake	Terre du Lac
Poverty rate	26.6%	11.5%
Average household size	2.76	2.73
Mean commute (minutes)	31	32
Median year structure built	1964	1982