PlainZIP

Clark Mills, NY · standard

ZIP Code 13321

Oneida County, New York - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

1,049
502/sq mi
$68,438
Median income
10.9%
Bachelor's or higher

The verdict

Clark Mills pairs a below-median household income, in a low-density, homeowner-dominated area.

44th pct
household income, US ZIPs
502
people per sq mi
67%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 13321 against every reporting US ZIP.

ZIP code 13321 is a sparsely populated ZIP (a standard USPS delivery area) in Clark Mills, Oneida County, New York, home to just 1,049 residents across 2.1 square miles, a density of 502 people per square mile, in the New York time zone.

ZIP 13321 reports a modest median household income of $68,438 (26% below the New York average), while per-capita income is $51,085. Poverty here runs at 4.7%, with unemployment measured at 2.5%. The typical home here is valued at -; renters pay a median of $1,027 monthly, and 66.7% of units are owner-occupied.

Formal educational attainment runs low here: just 10.9% of adults hold a bachelor's degree or higher, the median age is 40.8, and the average commute is -. A geography-based comparison follows: 10 ZIP codes within about 10 miles of 13321, plus 6 more within Oneida County, give a clearer read than the national average alone.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 13321, Clark Mills, NY · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

1,049

Population

2.1

Area (sq mi)

502

People / sq mi

New York

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 13321?

40.8

Median Age

43.7%

Male

56.3%

Female

6.8%

Foreign-Born

White 92.0%
African American 1.2%
Asian 0.0%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 0.0%
Hispanic or Latino 6.8%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$68,438

Median Household Income

-26% vs state

$51,085

Per Capita Income

4.7%

Poverty Rate

2.5%

Unemployment Rate

How ZIP 13321 ranks nationally

Clark Mills, NY household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$68,438 44th percentile higher than 44% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). This entry sits in this band. $80,000–$100,000: 5,778 US ZIPs (19%). Above this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 42.9%
Bachelor's Degree or Higher 10.9%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

492

Total Housing Units

418

Occupied Units

74

Vacant Units

1.62

Avg Household Size

Occupancy Type

Owner 66.7%
Renter 33.3%

$1,027

Median Rent

1994

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What businesses operate in this ZIP?

Census Bureau data shows 8 business establishments in ZIP 13321, employing approximately 68 people with a combined annual payroll of $2,504,000.

8

Businesses

68

Employees

$2.5M

Annual Payroll

1

Industry Sectors

Industry Establishments % of Total
Health care and social assistance 3 37.5%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 13321 vs 13323 →

ZIP 13321 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 13321 ranks #0 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 13321 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 13321 ranks #6 of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
13323 Clinton, NY 11,323 3.2 mi
13424 Oriskany, NY 2,725 4.5 mi
13490 Westmoreland, NY 1,361 3.1 mi
13341 Franklin Springs, NY 102 3.8 mi
13492 Whitesboro, NY 11,596 3.2 mi
13417 New York Mills, NY 3,305 4.1 mi
13495 Yorkville, NY 2,144 5.1 mi
13413 New Hartford, NY 16,135 5.3 mi
13476 Vernon, NY 3,032 6.8 mi
13501 Utica, NY 38,546 7.5 mi

More ZIP Codes in Oneida County

13440 standard
Rome, NY
Pop: 42,986
13501 standard
Utica, NY
Pop: 38,546
13502 standard
Utica, NY
Pop: 33,257
13413 standard
New Hartford, NY
Pop: 16,135
13492 standard
Whitesboro, NY
Pop: 11,596
13323 standard
Clinton, NY
Pop: 11,323

Related Areas

Oneida County Clark Mills, NY New York

Frequently Asked Questions

What county is ZIP code 13321 in? ▼
ZIP code 13321 (Clark Mills) is located in Oneida County, New York. Oneida County contains multiple ZIP codes, see the full list at /counties/oneida-ny.
What is the population of ZIP code 13321? ▼
ZIP code 13321 in Clark Mills, NY has a population of 1,049 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 13321? ▼
The median household income in ZIP 13321 is $68,438, which is 10% below the national average of $76,288.
What is the demographic makeup of ZIP 13321? ▼
The largest racial group in ZIP 13321 is White at 92.0%. Hispanic or Latino residents make up 6.8% of the population.
How many businesses are in ZIP code 13321? ▼
ZIP code 13321 has 8 business establishments employing approximately 68 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What is the education level in ZIP code 13321? ▼
In ZIP code 13321, 42.9% of residents aged 25+ have a high school diploma or higher, and 10.9% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What percentage of residents own vs. rent in ZIP 13321? ▼
In ZIP code 13321, approximately 66.7% of occupied housing units are owner-occupied and 33.3% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 13321? ▼
The poverty rate in ZIP code 13321 is 4.7% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.