35645 ZIP Code — Killen, AL

Lauderdale County, Alabama

ZIP code 35645 is located in Killen, Alabama, within Lauderdale County. It covers approximately 76.34 square miles and serves a population of 13,575 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 256/938.

About ZIP code 35645

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1990s, giving the area an established character. Median home value is $211,200. Owner-occupancy is high at 84%, well above the national average.

Median household income is $81,364. The poverty rate of 7% is below the national average. 34% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 31 minutes is near the national average.

Educational attainment is near the national average, with 28% of residents holding a bachelor's degree or higher.

Overall, ZIP code 35645 reflects a community defined by high homeownership and a significant Social Security-dependent population.

13,575

population

76.34

sq mi land

Standard

ZIP type

Central (CT)

timezone

35645 ZIP code map

Cities in ZIP code 35645

Below are the cities the US Postal Service accepts for ZIP code 35645. Using any city not on this list may result in mail delivery delays.

City	Status
Killen	Preferred

Nearby ZIP codes

35634 Florence (4.8 mi) 35648 Lexington (7.9 mi) 38481 Saint Joseph (9.2 mi) 35661 Muscle Shoals (9.4 mi) 35630 Florence (10.5 mi) 35632 Florence (12.2 mi) 38469 Loretto (13.3 mi) 35652 Rogersville (13.3 mi) 35610 Anderson (14.7 mi) 38463 Iron City (14.7 mi) 38457 Five Points (15 mi) 35660 Sheffield (15.8 mi)

Demographics updated 05/2026

Population
Total population	13,575
Population density	178 / sq mi
State FIPS	01
County FIPS	077

Geography
Land area	76.34 sq mi
Water area	6.82 sq mi
Latitude	34.9015
Longitude	-87.5014
Timezone	Central (CT)
Area code	256/938

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	35.5%	51.0%	48.3%
$50k – $100k	28.5%	30.4%	29.3%
$100k – $200k	31.7%	15.6%	18.0%
Over $200k	4.3%	3.0%	4.4%

Demographics & statistics

13,575

Population

178

People per sq mi

45.0

Median age

$81,364

Median household income

$39,477

Per capita income

$211,200

Median home value

$874

Median monthly rent

83.6%

Home ownership

6.8%

Poverty rate

1.2%

Unemployment

4,850

Housing units

27.9%

Bachelor's or higher

Age distribution

Male Female

367

Under 5

376

393

5–9

404

510

10–14

523

369

15–19

379

399

20–24

409

565

25–34

580

748

35–44

767

995

45–54

1,022

743

55–59

762

417

60–64

429

697

65–74

716

373

75–84

383

123

85+

126

← Male

Female →

Age summary

Group	Count	%
Under 18	3,040	22.4%
18 and over	10,535	77.6%
65 and over	2,418	17.8%
Median age	45.0 years

Race & ethnicity

White 89.3%

Two or more races 5.2%

Hispanic or Latino 2.9%

Black or African American 2.2%

Native Hawaiian / Pacific Islander 0.2%

Asian 0.2%

Other race 0.1%

Group	Count	%
White	12,476	89.3%
Two or more races	724	5.2%
Hispanic or Latino	403	2.9%
Black or African American	313	2.2%
Native Hawaiian / Pacific Islander	28	0.2%
Asian	24	0.2%
Other race	10	0.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	35.5%	51.0%	48.3%
$50k – $100k	28.5%	30.4%	29.3%
$100k – $200k	31.7%	15.6%	18.0%
Over $200k	4.3%	3.0%	4.4%

Under $10k 2.2%

$10k–$15k 2.7%

$15k–$25k 5.8%

$25k–$35k 8.7%

$35k–$50k 8.8%

$50k–$75k 17.6%

$75k–$100k 16.6%

$100k–$150k 15.9%

$150k–$200k 15.2%

$200k+ 6.6%

Range	% of households
Under $10k	2.2%
$10k–$15k	2.7%
$15k–$25k	5.8%
$25k–$35k	8.7%
$35k–$50k	8.8%
$50k–$75k	17.6%
$75k–$100k	16.6%
$100k–$150k	15.9%
$150k–$200k	15.2%
$200k+	6.6%
Median income	$81,364

Housing

Home values

Under $50k 8.6%

$50k–$100k 7.3%

$100k–$150k 14.5%

$150k–$200k 16.2%

$200k–$300k 22.8%

$300k–$500k 24.6%

$500k–$1M 3.8%

$1M+ 2.2%

Housing overview

Metric	Value
Median home value	$211,200
Median rent / month	$874
Owner occupied	83.6%
Renter occupied	16.4%
Vacant	11.2%
Single-family detached	86.0%
Large apartment buildings	0.3%
Mobile homes	8.3%
Median rooms	6.2
Avg household size (owned)	2.60

Year built

Era	%
2020 or later	0.6%
2010–2019	8.7%
2000–2009	16.9%
1990–1999	21.2%
1980–1989	14.9%
1970–1979	15.5%
1960–1969	15.9%
1950–1959	2.3%
1940–1949	2.4%
1939 or earlier	1.6%

Bedrooms

Size	% of units
No bedroom (studio)	1.1%
1 bedroom	0.3%
2 bedrooms	13.8%
3 bedrooms	60.3%
4 bedrooms	18.0%
5+ bedrooms	6.4%

Vehicles per household

Vehicles	% of households
No vehicle	2.0%
1 vehicle	20.1%
2 vehicles	36.8%
3 or more	41.1%

Heating fuel

Fuel type	%
Utility gas	24.5%
Electricity	68.2%
Propane / LP gas	5.9%
Wood	1.3%

Households & families

Household type	Count	%
Married-couple family	3,329	66.0%
Cohabiting couple	247	4.9%
Male householder, no spouse	406	8.1%
Female householder, no spouse	1,060	21.0%
Households with children under 18	1,598	31.7%
Households with seniors (65+)	1,621	32.1%
Average household size	2.67

Marital status

Status	Male	Female
Never married	24.5%	16.2%
Married	66.1%	61.0%
Separated	1.0%	0.6%
Widowed	2.2%	11.8%
Divorced	6.2%	10.4%

Education

Less than 9th grade 1.5%

Some HS, no diploma 6.3%

HS graduate 33.9%

Some college, no degree 19.7%

Associate's degree 10.7%

Bachelor's degree 17.2%

Graduate / professional 10.7%

Metric	%
HS diploma or higher	92.2%
Bachelor's or higher	27.9%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	167	6.2%
Kindergarten	88	3.3%
Elementary school	1,446	53.5%
High school	659	24.4%
College / grad school	342	12.7%

Employment

Industry of employment

Education & healthcare 21.5%

Manufacturing 18.6%

Construction 11.2%

Retail trade 8.8%

Transportation & utilities 7.7%

Public administration 7.7%

Professional & management 6.8%

Finance & real estate 5.6%

Arts, food & hospitality 4.6%

Other services 4.3%

Wholesale trade 1.8%

Agriculture & mining 0.9%

Information 0.3%

Occupation

Category	%
Management, business & arts	34.6%
Service	15.2%
Sales & office	18.3%
Natural resources & construction	11.2%
Production & transportation	20.8%

Employment type

Type	%
Private sector	72.3%
Government	23.3%
Self-employed	4.2%
Unpaid family workers	0.2%

Commute

Method	%
Drive alone	82.1%
Carpool	9.2%
Public transit	0.0%
Walk	0.1%
Work from home	8.6%
Other means	0.0%
Avg commute (minutes)	30.6

Poverty

All people 6.8%

Under 18 years 14.0%

18 and over 4.8%

Married-couple families 1.4%

Female-led households 27.3%

Income support

Source	% of households
Social Security	33.9%
Retirement income	30.1%
Supplemental Security	4.3%
Cash public assistance	1.7%
Food stamps / SNAP	5.0%

Health indicators

Condition	%
Obesity	38.6%
High blood pressure	37.7%
High cholesterol	34.9%
Diabetes	11.3%
Heart disease	7.2%
Stroke	3.2%
Asthma	9.2%
Arthritis	31.3%
Kidney disease	3.0%
Pulmonary disease	8.4%
Cancer	7.1%

Behavior / access	%
Smoking	18.8%
Binge drinking	15.4%
No physical activity	25.8%
Less than 7 hrs sleep	38.6%
Depression	25.9%
Fair or poor health	16.8%
Poor mental health	15.7%
Poor physical health	11.4%
No health insurance	14.1%
Visited doctor (checkup)	74.1%
Visited dentist	62.0%
Cholesterol screening	90.7%
Teeth loss	14.2%

Veterans & disability

Veterans	Count	%
Civilian veterans	672	6.4%

Disability	%
Any disability	11.1%
Under 18	1.2%
18–64 years	10.1%
65 and over	27.6%

Health insurance coverage

Type	%
Private insurance	78.0%
Public insurance	28.8%
No insurance	6.3%
Uninsured under 19	6.3%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	12,832	94.5%
Spanish	219	1.7%
Other Indo-European	198	1.5%
Asian & Pacific Islander	0	0.0%
Other languages	21	0.2%

Place of birth & citizenship

Origin	Count	%
Native born (US)	13,227	97.4%
Born in same state	13,121	96.7%
Born in different state	9,887	72.8%
Foreign born	106	0.8%
Naturalized citizen	348	2.6%
Not a US citizen	80	23.0%

Ancestry

Ancestry	Count	%
Arab	2,112	15.6%
French	2,032	15%
Italian	1,635	12%

Ancestry	Count	%
English	234	1.7%
Irish	12	0.1%

Technology access

Metric	% of households
Computer access	37.1%
Internet access	90.8%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 35645

What city is ZIP code 35645 in?

ZIP code 35645 is primarily assigned to Killen, Alabama.

What county is ZIP code 35645 in?

ZIP code 35645 falls within Lauderdale County, Alabama.

Is ZIP code 35645 mostly owner-occupied?

84% of occupied units in ZIP code 35645 are owner-occupied, well above the national average.

What is the population of ZIP code 35645?

ZIP code 35645 has an estimated population of 13,575 residents, with a density of 178 people per square mile.

What is the typical home value in ZIP code 35645?

The median home value in ZIP code 35645 is $211,200.

What is the median household income in ZIP code 35645?

The median household income in ZIP code 35645 is $81,364, above the national median of ~$75,000.

What timezone is ZIP code 35645 in?

ZIP code 35645 observes the CST timezone.