Knox ZIP Codes — Clarion County, PA

There is one unique ZIP code in Knox, Pennsylvania and it is 16232. Area code: 814.

ZIP codes

59.46

sq mi land

0.40

sq mi water

814

area code

Knox, PA ZIP code map

About Knox, PA

Knox is a charming borough located in Clarion County, Pennsylvania. This small town is characterized by its friendly community and a pace of life that offers a break from the bustle of larger urban areas. With a rich local history, Knox provides a unique perspective on rural Pennsylvania living.

Location & geography

Knox is situated in western Pennsylvania and spans a total area of 59.46 square miles, with 0.40 square miles designated as water. The borough is surrounded by the scenic landscape of Clarion County, making it a picturesque spot for nature enthusiasts. Nearby cities include Clarion, approximately 12 miles to the south, and Oil City, about 18 miles to the west.

Community & economy

The character of Knox is defined by its strong community values and a focus on family-friendly activities. Historically, the local economy has been supported by agriculture and small manufacturing, with residents engaged in various industries that contribute to a cooperative local environment. Daily life in Knox features communal gatherings and access to local parks, promoting a close-knit atmosphere among its residents.

Transportation

Knox is accessible via major routes including Pennsylvania Route 66, which facilitates travel to nearby urban centers and other communities. The nearest airport for commercial flights is Venango Regional Airport, located about 22 miles to the west in Franklin, PA. Public transit options are limited, making personal vehicles the primary mode of transportation for residents.

History

Knox was founded in the mid-19th century and has since been an integral part of Clarion County's development. Key industries historically in Knox have included timber and agriculture, which shaped the local economy and community structure. Notable events in recent history have strengthened the local culture, including annual fairs that celebrate the town's heritage.

Did you know?

One little-known fact about Knox is that it was once a significant milling hub due to its proximity to water sources, which powered many early industrial activities. Additionally, the town's name is derived from a prominent local figure, reflecting its historical roots.

ZIP codes for Knox, PA (1)

ZIP code	City	County	Map
16232	Knox	Clarion	View map

Demographics & statistics

4,287

Population

41.8

Median age

$54,760

Median household income

$28,449

Per capita income

$129,600

Median home value

$707

Median monthly rent

75.4%

Home ownership

13.5%

Poverty rate

6.4%

Unemployment

1,470

Housing units

20.2%

Bachelor's or higher

Age distribution

Male Female

111

Under 5

109

124

5–9

121

143

10–14

140

177

15–19

173

129

20–24

127

269

25–34

264

214

35–44

210

289

45–54

282

175

55–59

172

124

60–64

121

249

65–74

243

136

75–84

134

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	977	22.8%
18 and over	3,310	77.2%
65 and over	813	19.0%
Median age	41.8 years

Race & ethnicity

White 96.1%

Two or more races 2.5%

Hispanic or Latino 0.6%

Asian 0.6%

Other race 0.1%

American Indian / Alaska Native 0.1%

Group	Count	%
White	4,145	96.1%
Two or more races	109	2.5%
Hispanic or Latino	25	0.6%
Asian	25	0.6%
Other race	5	0.1%
American Indian / Alaska Native	3	0.1%

Household income

Under $10k 4.3%

$10k–$15k 5.3%

$15k–$25k 7.6%

$25k–$35k 12.5%

$35k–$50k 15.1%

$50k–$75k 18.1%

$75k–$100k 15.6%

$100k–$150k 12.0%

$150k–$200k 5.3%

$200k+ 4.1%

Range	% of households
Under $10k	4.3%
$10k–$15k	5.3%
$15k–$25k	7.6%
$25k–$35k	12.5%
$35k–$50k	15.1%
$50k–$75k	18.1%
$75k–$100k	15.6%
$100k–$150k	12.0%
$150k–$200k	5.3%
$200k+	4.1%
Median income	$54,760

Housing

Home values

Under $50k 9.8%

$50k–$100k 24.6%

$100k–$150k 20.6%

$150k–$200k 17.1%

$200k–$300k 18.3%

$300k–$500k 8.4%

$500k–$1M 1.1%

$1M+ 0.2%

Housing overview

Metric	Value
Median home value	$129,600
Median rent / month	$707
Owner occupied	75.4%
Renter occupied	24.6%
Vacant	11.5%
Single-family detached	72.4%
Large apartment buildings	4.1%
Mobile homes	14.1%
Median rooms	6.0
Avg household size (owned)	2.72

Year built

Era	%
2020 or later	0.2%
2010–2019	7.5%
2000–2009	7.4%
1990–1999	8.5%
1980–1989	11.7%
1970–1979	14.0%
1960–1969	7.0%
1950–1959	7.4%
1940–1949	6.2%
1939 or earlier	30.2%

Bedrooms

Size	% of units
No bedroom (studio)	0.2%
1 bedroom	6.9%
2 bedrooms	31.1%
3 bedrooms	46.8%
4 bedrooms	11.1%
5+ bedrooms	3.9%

Vehicles per household

Vehicles	% of households
No vehicle	7.1%
1 vehicle	33.3%
2 vehicles	35.0%
3 or more	24.6%

Heating fuel

Fuel type	%
Utility gas	70.2%
Electricity	13.8%
Propane / LP gas	5.2%
Fuel oil	3.5%
Wood	4.4%

Households & families

Household type	Count	%
Married-couple family	839	50.4%
Cohabiting couple	91	5.5%
Male householder, no spouse	302	18.1%
Female householder, no spouse	432	26.0%
Households with children under 18	582	35.0%
Households with seniors (65+)	575	34.6%
Average household size	2.57

Marital status

Status	Male	Female
Never married	38.9%	22.5%
Married	49.9%	51.8%
Separated	1.6%	3.2%
Widowed	2.4%	10.5%
Divorced	7.2%	12.1%

Education

Less than 9th grade 2.8%

Some HS, no diploma 6.0%

HS graduate 49.7%

Some college, no degree 10.0%

Associate's degree 11.4%

Bachelor's degree 13.1%

Graduate / professional 7.1%

Metric	%
HS diploma or higher	91.2%
Bachelor's or higher	20.2%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	50	6.0%
Kindergarten	38	4.5%
Elementary school	438	52.4%
High school	225	26.9%
College / grad school	85	10.2%

Employment

Industry of employment

Education & healthcare 28.8%

Manufacturing 15.7%

Construction 9.4%

Retail trade 9.2%

Arts, food & hospitality 8.6%

Transportation & utilities 7.3%

Professional & management 6.4%

Other services 5.0%

Public administration 2.8%

Agriculture & mining 2.4%

Finance & real estate 2.4%

Wholesale trade 1.4%

Information 0.5%

Occupation

Category	%
Management, business & arts	30.2%
Service	18.6%
Sales & office	18.7%
Natural resources & construction	14.1%
Production & transportation	18.3%

Employment type

Type	%
Private sector	77.9%
Government	12.2%
Self-employed	9.1%
Unpaid family workers	0.8%

Commute

Method	%
Drive alone	76.0%
Carpool	13.9%
Public transit	0.0%
Walk	3.6%
Other means	2.1%
Avg commute (minutes)	22.8

Poverty

All people 13.5%

Under 18 years 17.9%

18 and over 12.2%

Married-couple families 4.3%

Female-led households 40.8%

Income support

Source	% of households
Social Security	39.7%
Retirement income	27.9%
Supplemental Security	8.7%
Cash public assistance	2.8%
Food stamps / SNAP	18.3%

Health indicators

Condition	%
High blood pressure	34.2%
High cholesterol	33.8%
Heart disease	7.8%
Stroke	3.5%
Asthma	10.4%
Arthritis	30.1%
Kidney disease	3.2%
Pulmonary disease	9.0%
Cancer	7.4%

Behavior / access	%
Binge drinking	18.4%
No physical activity	25.7%
Less than 7 hrs sleep	36.3%
Fair or poor health	16.2%
Poor mental health	16.0%
Poor physical health	12.0%
No health insurance	11.0%
Visited doctor (checkup)	77.8%
Visited dentist	62.2%
Cholesterol screening	89.0%
Teeth loss	17.2%

Veterans & disability

Veterans	Count	%
Civilian veterans	299	9.0%

Disability	%
Any disability	16.9%
Under 18	5.0%
18–64 years	15.3%
65 and over	35.8%

Health insurance coverage

Type	%
Private insurance	66.7%
Public insurance	42.7%
Uninsured under 19	14.5%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	4,067	94.9%
Spanish	88	2.2%
Other Indo-European	2	0.0%
Asian & Pacific Islander	76	1.9%
Other languages	10	0.2%

Place of birth & citizenship

Origin	Count	%
Native born (US)	4,273	99.7%
Born in same state	4,266	99.5%
Born in different state	3,714	86.6%
Foreign born	7	0.2%
Naturalized citizen	14	0.3%
Not a US citizen	14	100.0%

Ancestry

Ancestry	Count	%
Italian	716	16.7%
French	351	8.2%
Arab	305	7.1%

Ancestry	Count	%
English	214	5%
Polish	6	0.1%
Irish	2	0%

Technology access

Metric	% of households
Computer access	38.8%
Internet access	88.3%

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

Frequently asked questions

What ZIP codes does Knox, PA have?

Knox, PA has one ZIP code: 16232. Each ZIP code serves a distinct delivery area within the city and surrounding region.