Clay County vs St. Johns County

A side-by-side comparison of Clay County and St. Johns County: population, income, housing, and more.

Clay County and St. Johns County are counties in Florida. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

St. Johns County has the higher population (292,243 vs 223,436 in Clay County). St. Johns County has the higher median household income ($106,169 vs $86,094 in Clay County). St. Johns County has the higher median home value ($457,600 vs $281,500 in Clay County).

Population, income & housing

	Clay County	St. Johns County
Population	223,436	292,243
Median age	40.2 yrs	44.0 yrs
Median household income	$86,094	$106,169
Median home value	$281,500	$457,600
Median gross rent	$1,464	$1,775
Housing units	87,165	127,144
Homeownership rate	76.2%	82.1%
Bachelor's degree or higher	28.7%	48.6%
Unemployment rate	3.8%	3.9%

Trends (ACS 5-year, 2019–2023)

	Clay County	St. Johns County
Population	211,405 → 223,436 (+5.7%)	244,674 → 292,243 (+19.4%)
Median household income	$65,740 → $86,094 (+31.0%)	$82,252 → $106,169 (+29.1%)
Median home value	$185,400 → $281,500 (+51.8%)	$304,700 → $457,600 (+50.2%)
Median gross rent	$1,148 → $1,464 (+27.5%)	$1,312 → $1,775 (+35.3%)

Clay County

Population

211,405223,436

Median household income

$65,740$86,094

Median home value

$185,400$281,500

Median gross rent

$1,148$1,464

St. Johns County

Population

244,674292,243

Median household income

$82,252$106,169

Median home value

$304,700$457,600

Median gross rent

$1,312$1,775

Age & race/ethnicity

Age distribution (share)

	Clay County	St. Johns County
Under 5	5.2%	4.6%
5 to 17	17.7%	17.1%
18 to 24	7.7%	6.7%
25 to 34	12.1%	9.1%
35 to 44	13.5%	13.6%
45 to 54	13.1%	13.8%
55 to 64	13.9%	14.1%
65 to 74	10.4%	12.5%
75 and over	6.4%	8.4%

Race & ethnicity (share)

	Clay County	St. Johns County
White (non-Hispanic)	69.1%	78.6%
Black or African American	11.1%	4.9%
American Indian & Alaska Native	0.1%	0.1%
Asian	2.9%	3.4%
Native Hawaiian & Pacific Islander	0.1%	0.1%
Some other race	1.0%	0.5%
Two or more races	4.7%	3.8%
Hispanic or Latino	11.0%	8.7%

Educational attainment (age 25+)

Share of adults 25+

	Clay County	St. Johns County
No high school diploma	6.7%	4.9%
High school graduate	27.6%	19.4%
Some college or associate's	37.0%	27.1%
Bachelor's degree	18.9%	30.2%
Graduate or professional degree	9.8%	18.4%

Commute to work

How workers get to work (share)

	Clay County	St. Johns County
Drove alone	73.9%	66.6%
Carpooled	8.7%	6.7%
Public transit	0.1%	0.1%
Walked	0.9%	0.8%
Bicycle	0.2%	0.5%
Worked from home	14.5%	23.7%
Other means	1.8%	1.6%

Housing

Units in structure (share)

	Clay County	St. Johns County
1-unit, detached	73.5%	72.0%
1-unit, attached	3.8%	5.1%
2 to 4 units	3.1%	4.2%
5 to 19 units	5.1%	8.9%
20 or more units	2.5%	4.5%
Mobile home & other	12.0%	5.4%

Poverty & households

	Clay County	St. Johns County
Poverty rate	9.1%	6.7%
Average household size	2.71	2.66
Mean commute (minutes)	32	27
Median year structure built	1995	2002