ZIP Code Tabulation Area · Alabama

ZIP Code 35120: St. Clair County, AL

ZIP Code 35120 (St. Clair County, Alabama) has an estimated 17,730 residents in 6,318 households. The median household income is $74,352, the median home value is $221,800 and the median gross rent is $1,150/mo. Figures are U.S. Census Bureau American Community Survey 2020–2024 5-year estimates for the matching ZIP Code Tabulation Area.

American Community Survey 2020–2024 5-year estimates · Updated Oct 26, 2026

Total population

17,730

Margin of error ±1,297

Median household income

$74,352

Margin of error ±$8,368

Median home value

$221,800

Margin of error ±$14,833

Median gross rent

$1,150/mo

Margin of error ±$408

Median age

35.7 yrs

Margin of error ±1.7 yrs

Mean travel time to work

33.4 min

Margin of error ±5.1 min

How ZIP 35120 compares with Alabama and the U.S.

State and national figures are the Census Bureau's own estimates for those areas from the same ACS release, not averages of ZIP codes.

Median age

ZIP 3512035.7 yrsAlabama39.3 yrsUnited States38.9 yrs

Median household income

ZIP 35120$74,352Alabama$63,999United States$80,734

Per capita income

ZIP 35120$30,644Alabama$36,087United States$44,673

Poverty rate

ZIP 3512013.8%Alabama15.6%United States12.5%

Unemployment rate

ZIP 351203.8%Alabama4.7%United States5.2%

Bachelor's degree or higher

ZIP 3512020.1%Alabama28.4%United States35.7%

Median home value

ZIP 35120$221,800Alabama$209,900United States$332,700

Median gross rent

ZIP 35120$1,150/moAlabama$1,007/moUnited States$1,413/mo

Owner-occupied homes

ZIP 3512086.0%Alabama70.2%United States65.2%

Mean travel time to work

ZIP 3512033.4 minAlabama25.5 minUnited States26.4 min

Worked from home

ZIP 351207.2%Alabama8.8%United States15.1%

All figures for ZIP 35120

Each estimate has a 90% margin of error: the true value is likely within that range. * marks estimates with a large margin of error (a coefficient of variation above 30%, or ±10 percentage points or more for rates).

ZIP 35120 — ACS 2020–2024 5-year estimates
Measure	ZIP 35120	Margin of error	Alabama	United States
Total population	17,730	±1,297	5,086,768	334,922,499
Median age	35.7 yrs	±1.7 yrs	39.3 yrs	38.9 yrs
Households	6,318	±550	1,997,247	129,227,496
Median household income	$74,352	±$8,368	$63,999	$80,734
Per capita income	$30,644	±$2,134	$36,087	$44,673
Poverty rate	13.8%	±5.1 pts	15.6%	12.5%
Unemployment rate	3.8%	±1.8 pts	4.7%	5.2%
Bachelor's degree or higher	20.1%	±3.8 pts	28.4%	35.7%
Median home value	$221,800	±$14,833	$209,900	$332,700
Median gross rent	$1,150/mo	±$408	$1,007/mo	$1,413/mo
Owner-occupied homes	86.0%	±5.3 pts	70.2%	65.2%
Mean travel time to work	33.4 min	±5.1 min	25.5 min	26.4 min
Worked from home	7.2%	±2.8 pts	8.8%	15.1%

Race and Hispanic or Latino origin

Shares of the total population by the Census Bureau's race and Hispanic or Latino origin categories (table B03002), listed in the Census Bureau's order. People self-identify on the survey.

Population by race and Hispanic or Latino origin, ZIP 35120
Group	ZIP 35120	Alabama	United States
White alone, not Hispanic or Latino	83.3%	63.4%	57.4%
Black or African American alone, not Hispanic or Latino	8.4%	25.6%	11.9%
American Indian and Alaska Native alone, not Hispanic or Latino	0.0%	0.3%	0.5%
Asian alone, not Hispanic or Latino	0.0%	1.4%	5.9%
Native Hawaiian and Other Pacific Islander alone, not Hispanic or Latino	0.0%	0.0%	0.2%
Some other race alone, not Hispanic or Latino	0.0%	0.4%	0.6%
Two or more races, not Hispanic or Latino	2.8%	3.3%	4.3%
Hispanic or Latino (of any race)	5.4%	5.6%	19.3%

Where ZIP 35120 is

State: Alabama
Main county: St. Clair County
Largest overlapping place: Odenville (15% of the ZIP's land area)
Land area: 70.79 sq mi· about 250 people per sq mi

County and place names come from the Census Bureau's 2020 ZCTA relationship files. A ZIP code's mailing city, set by the U.S. Postal Service, can differ from these names.

Other ZIP codes in St. Clair County

35004 Moody, AL 35054 St. Clair County, AL 35112 Margaret, AL 35125 St. Clair County, AL 35128 Pell City, AL 35131 Ragland, AL 35135 Riverside, AL 35146 St. Clair County, AL 35953 St. Clair County, AL 35987 St. Clair County, AL

See every ZIP code in Alabama, or compare ZIP 35120 with another ZIP code.

Census figures describe residents as a group and cannot tell you about any one home or street. For a specific address, check local government and housing records.

About ZIP codes and ZCTAs: the Census Bureau publishes statistics for ZIP Code Tabulation Areas, which approximate USPS ZIP code delivery areas. Learn how they differ.

Sources

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, detailed tables B01003, B01002, B11001, B19013, B19301, B17001, B23025, B15003, B25077, B25064, B25003, B08013, B08303, B08301, B03002 — snapshot Oct 26, 2026.
U.S. Census Bureau, 2020 ZCTA5 relationship files (county and place).
Data: U.S. Census Bureau, American Community Survey 5-year estimates (detailed tables) and 2020 Census ZCTA relationship files. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau. These agencies do not endorse OpenZIP.