Altamont vs Mason

A side-by-side comparison of Altamont and Mason: population, income, housing, and more.

Altamont and Mason are places in Illinois. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Altamont has the higher population (2,500 vs 365 in Mason). Altamont has the higher median household income ($76,198 vs $63,472 in Mason). Altamont has the higher median home value ($132,200 vs $89,300 in Mason).

Population, income & housing

	Altamont	Mason
Population	2,500	365
Median age	38.0 yrs	36.9 yrs
Median household income	$76,198	$63,472
Median home value	$132,200	$89,300
Median gross rent	$898	$588
Housing units	1,040	151
Homeownership rate	78.0%	82.1%
Bachelor's degree or higher	18.6%	5.8%
Unemployment rate	1.0%	4.6%

Trends (ACS 5-year, 2019–2023)

	Altamont	Mason
Population	2,333 → 2,500 (+7.2%)	258 → 365 (+41.5%)
Median household income	$46,204 → $76,198 (+64.9%)	$40,417 → $63,472 (+57.0%)
Median home value	$98,600 → $132,200 (+34.1%)	$66,300 → $89,300 (+34.7%)
Median gross rent	$748 → $898 (+20.1%)	$325 → $588 (+80.9%)

Altamont

Population

2,3332,500

Median household income

$46,204$76,198

Median home value

$98,600$132,200

Median gross rent

$748$898

Mason

Population

258365

Median household income

$40,417$63,472

Median home value

$66,300$89,300

Median gross rent

$325$588

Age & race/ethnicity

Age distribution (share)

	Altamont	Mason
Under 5	3.5%	8.5%
5 to 17	22.6%	18.6%
18 to 24	3.3%	6.8%
25 to 34	17.1%	14.0%
35 to 44	14.2%	10.4%
45 to 54	6.3%	15.6%
55 to 64	9.7%	9.3%
65 to 74	11.1%	7.1%
75 and over	12.4%	9.6%

Race & ethnicity (share)

	Altamont	Mason
White (non-Hispanic)	96.4%	89.0%
Black or African American	1.0%	0.0%
American Indian & Alaska Native	0.0%	0.0%
Asian	0.0%	7.1%
Native Hawaiian & Pacific Islander	0.0%	0.0%
Some other race	0.2%	0.0%
Two or more races	1.7%	1.6%
Hispanic or Latino	0.6%	2.2%

Educational attainment (age 25+)

Share of adults 25+

	Altamont	Mason
No high school diploma	7.0%	15.4%
High school graduate	40.0%	46.5%
Some college or associate's	34.4%	32.4%
Bachelor's degree	16.1%	5.4%
Graduate or professional degree	2.5%	0.4%

Commute to work

How workers get to work (share)

	Altamont	Mason
Drove alone	74.9%	82.4%
Carpooled	15.0%	10.9%
Public transit	0.4%	0.0%
Walked	2.2%	1.2%
Bicycle	0.0%	0.0%
Worked from home	7.0%	5.5%
Other means	0.4%	0.0%

Housing

Units in structure (share)

	Altamont	Mason
1-unit, detached	79.2%	64.2%
1-unit, attached	1.7%	4.0%
2 to 4 units	5.0%	7.3%
5 to 19 units	3.3%	0.0%
20 or more units	1.4%	0.0%
Mobile home & other	9.3%	24.5%

Poverty & households

	Altamont	Mason
Poverty rate	14.2%	24.1%
Average household size	2.44	2.52
Mean commute (minutes)	25	24
Median year structure built	1964	1973