Radium vs St. John

A side-by-side comparison of Radium and St. John: population, income, housing, and more.

Radium and St. John are places in Kansas. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

St. John has the higher population (1,247 vs 13 in Radium). St. John has the higher median household income ($71,726 vs $54,375 in Radium). St. John has the higher median home value ($90,900 vs $25,800 in Radium).

Population, income & housing

	Radium	St. John
Population	13	1,247
Median age	64.5 yrs	35.5 yrs
Median household income	$54,375	$71,726
Median home value	$25,800	$90,900
Median gross rent	—	$832
Housing units	10	523
Homeownership rate	100.0%	82.8%
Bachelor's degree or higher	7.7%	23.6%
Unemployment rate	0.0%	2.8%

Trends (ACS 5-year, 2019–2023)

	Radium	St. John
Population	20 → 13 (-35.0%)	1,390 → 1,247 (-10.3%)
Median household income	$51,250 → $54,375 (+6.1%)	$53,362 → $71,726 (+34.4%)
Median home value	$52,500 → $25,800 (-50.9%)	$74,500 → $90,900 (+22.0%)
Median gross rent	—	$666 → $832 (+24.9%)

Radium

Population

2013

Median household income

$51,250$54,375

Median home value

$52,500$25,800

St. John

Population

1,3901,247

Median household income

$53,362$71,726

Median home value

$74,500$90,900

Median gross rent

$666$832

Age & race/ethnicity

Age distribution (share)

	Radium	St. John
Under 5	0.0%	8.3%
5 to 17	0.0%	17.2%
18 to 24	0.0%	10.2%
25 to 34	0.0%	13.4%
35 to 44	15.4%	8.6%
45 to 54	15.4%	10.7%
55 to 64	23.1%	11.2%
65 to 74	38.5%	9.1%
75 and over	7.7%	11.4%

Race & ethnicity (share)

	Radium	St. John
White (non-Hispanic)	69.2%	75.9%
Black or African American	0.0%	0.0%
American Indian & Alaska Native	0.0%	1.4%
Asian	0.0%	0.0%
Native Hawaiian & Pacific Islander	0.0%	0.0%
Some other race	15.4%	0.0%
Two or more races	15.4%	3.6%
Hispanic or Latino	0.0%	19.2%

Educational attainment (age 25+)

Share of adults 25+

	Radium	St. John
No high school diploma	15.4%	8.4%
High school graduate	53.8%	22.6%
Some college or associate's	23.1%	45.5%
Bachelor's degree	7.7%	17.0%
Graduate or professional degree	0.0%	6.6%

Commute to work

How workers get to work (share)

	Radium	St. John
Drove alone	100.0%	84.6%
Carpooled	0.0%	11.0%
Public transit	0.0%	0.0%
Walked	0.0%	1.3%
Bicycle	0.0%	0.0%
Worked from home	0.0%	3.1%
Other means	0.0%	0.0%

Housing

Units in structure (share)

	Radium	St. John
1-unit, detached	100.0%	93.3%
1-unit, attached	0.0%	0.4%
2 to 4 units	0.0%	1.9%
5 to 19 units	0.0%	0.2%
20 or more units	0.0%	1.3%
Mobile home & other	0.0%	2.9%

Poverty & households

	Radium	St. John
Poverty rate	23.1%	15.4%
Average household size	1.86	2.84
Mean commute (minutes)	—	21
Median year structure built	1938	1944