Home / Compare / Clay vs Mount Olive CDP (Jefferson County)

Clay, AL vs Mount Olive CDP (Jefferson County), AL

90
Clay
Alabama
VS
+14.4%
79
Mount Olive CDP (Jefferson County)
Alabama

Mount Olive CDP (Jefferson County) is moderately more affordable than Clay, with a 14.4% lower cost of living index. Clay scores 90 compared to 79 for Mount Olive CDP (Jefferson County), where the US average is 100. This difference means residents of Clay can expect to pay noticeably more for everyday expenses, housing, and services.

On the housing front, median rent in Clay is $1,373/month compared to $1,022/month in Mount Olive CDP (Jefferson County) — a 34% difference. Home values follow the same pattern: Mount Olive CDP (Jefferson County) is more affordable at $190,400 median vs $198,400.

Median household income in Clay is $86,163 compared to $84,120 in Mount Olive CDP (Jefferson County) (+2.4%). Clay does offer higher incomes, but the salary premium barely offsets the higher cost of living, leaving residents with a tighter budget. Looking at affordability, residents of Clay spend roughly 19.1% of their income on rent, more than the 14.6% in Mount Olive CDP (Jefferson County).

Climate-wise, both cities share similar average temperatures (63.9°F vs 63.9°F). Mount Olive CDP (Jefferson County) receives more rainfall at 56.6" per year compared to 56.6" in Clay.

Income & Cost

Cost of Living Index
Clay
90
Mount Olive CDP (Jefferson County)
79
13% cheaper
Median Household Income
Clay
$86,163
2% higher
Mount Olive CDP (Jefferson County)
$84,120

Housing

Median Rent
Clay
$1,373
Mount Olive CDP (Jefferson County)
$1,022
26% cheaper
Median Home Value
Clay
$198,400
Mount Olive CDP (Jefferson County)
$190,400
4% cheaper
Population
Clay
10,288
Mount Olive CDP (Jefferson County)
3,449

Salary Equivalency Calculator

What does your salary in one city buy you in the other?

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Rent by Bedroom Size

HUD Fair Market Rent (FY 2026) — metro area average

Studio
Clay $971
Mount Olive CDP (Jefferson County) $971
1 Bed
Clay $1,088
Mount Olive CDP (Jefferson County) $1,088
2 Bed
Clay $1,208
Mount Olive CDP (Jefferson County) $1,208
3 Bed
Clay $1,517
Mount Olive CDP (Jefferson County) $1,517
4 Bed
Clay $1,720
Mount Olive CDP (Jefferson County) $1,720

Everyday Prices

BLS Average Prices by metro area

Gasoline (regular)
Clay $2.90
Mount Olive CDP (Jefferson County) $2.90
US $3.07
🥚
Eggs (grade A, large)
Clay $2.37
Mount Olive CDP (Jefferson County) $2.37
US $2.50
🥛
Milk (whole)
Clay $3.81
Mount Olive CDP (Jefferson County) $3.81
US $4.03
🍞
Bread (white)
Clay $1.75
Mount Olive CDP (Jefferson County) $1.75
US $1.85
🍗
Chicken breast
Clay $3.92
Mount Olive CDP (Jefferson County) $3.92
US $4.14
Electricity
Clay $0.17
Mount Olive CDP (Jefferson County) $0.17
US $0.19

Climate

NOAA 30-year normals (1991-2020)

Avg Temp
Clay 63.9°F
Mount Olive CDP (Jefferson County) 63.9°F
Summer High
Clay 91°F
Mount Olive CDP (Jefferson County) 91°F
Winter Low
Clay 35°F
Mount Olive CDP (Jefferson County) 35°F
Rainfall
Clay 56.6"
Mount Olive CDP (Jefferson County) 56.6"
Rainy Days
Clay 118d
Mount Olive CDP (Jefferson County) 118d