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

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

72
Fairfield
Alabama
VS
-8.3%
79
Mount Olive CDP (Jefferson County)
Alabama

Fairfield is moderately more affordable than Mount Olive CDP (Jefferson County), with a 8.3% lower cost of living index. Fairfield scores 72 compared to 79 for Mount Olive CDP (Jefferson County), where the US average is 100. This difference means residents of Mount Olive CDP (Jefferson County) can expect to pay noticeably more for everyday expenses, housing, and services.

On the housing front, median rent in Fairfield is $997/month compared to $1,022/month in Mount Olive CDP (Jefferson County) — a 2% difference. Home values follow the same pattern: Fairfield is more affordable at $120,100 median vs $190,400.

Median household income in Fairfield is $48,492 compared to $84,120 in Mount Olive CDP (Jefferson County) (-42.4%). While Mount Olive CDP (Jefferson County) is more expensive, its higher salaries more than compensate — residents there may actually end up with more disposable income. Looking at affordability, residents of Fairfield spend roughly 24.7% 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 Fairfield.

Income & Cost

Cost of Living Index
Fairfield
72
8% cheaper
Mount Olive CDP (Jefferson County)
79
Median Household Income
Fairfield
$48,492
Mount Olive CDP (Jefferson County)
$84,120
42% higher

Housing

Median Rent
Fairfield
$997
2% cheaper
Mount Olive CDP (Jefferson County)
$1,022
Median Home Value
Fairfield
$120,100
37% cheaper
Mount Olive CDP (Jefferson County)
$190,400
Population
Fairfield
9,846
Mount Olive CDP (Jefferson County)
3,449

Salary Equivalency Calculator

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

$
Formula:

Rent by Bedroom Size

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

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

Everyday Prices

BLS Average Prices by metro area

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

Climate

NOAA 30-year normals (1991-2020)

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