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 High-density area
- $68,438
- Median income Near-median income area
- 10.9%
- Bachelor's or higher Below-average bachelor's attainment
National ZIP placement
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 average New York ZIP), while per-capita income is $51,085. Both reported hardship measures are comparatively low in absolute terms: poverty is 4.7% and unemployment is 2.5%. The ACS does not report a median home value for this ZIP, so housing cost context is limited to the available tenure and rent fields.
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 -. The page also surfaces 10 ZIP codes within roughly 10 miles and 6 more in Oneida County, so 13321 can be compared with both its immediate and county-level context.
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
Who lives in ZIP 13321?
40.8
Median Age
43.7%
Male
56.3%
Female
6.8%
Foreign-Born
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 ZIP avg
$51,085
Per Capita Income
4.7%
Poverty Rate
2.5%
Unemployment Rate
How ZIP 13321 ranks among New York ZIPs
Clark Mills, NY household income vs. every New York ZIP code
Median household income among 1,626 reporting New York ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$68,438 30th percentile higher than 30% of 1,626 New York ZIPs
Each bar is a $20K-wide band; taller bars hold more New York 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?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
492housing units
492
Total Housing Units
418
Occupied Units
74
Vacant Units
1.62
Avg Household Size
Occupancy Type
$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.
- 13501
Utica (13501)
38,546 residents
- 13413
New Hartford (13413)
16,135 residents
- 13492 11,596
Whitesboro (13492)
11,596 residents
- 13323 11,323
Clinton (13323)
11,323 residents
- 13417 3,305
New York Mills (13417)
3,305 residents
- 13476 3,032
Vernon (13476)
3,032 residents
- 13424 2,725
Oriskany (13424)
2,725 residents
- 13495 2,144
Yorkville (13495)
2,144 residents
- 13490 1,361
Westmoreland (13490)
1,361 residents
What this shows Among its immediate neighbors, ZIP 13321 ranks #0 by population - useful context the national average alone can't give.
ZIP 13321 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 13490
Westmoreland (13490)
$135,302 median income
- 13413
New Hartford (13413)
$95,261 median income
- 13424
Oriskany (13424)
$84,844 median income
- 13492
Whitesboro (13492)
$82,173 median income
- 13323
Clinton (13323)
$78,224 median income
- 13321
Clark Mills (13321)
$68,438 median income
- 13495
Yorkville (13495)
$66,995 median income
- 13476
Vernon (13476)
$62,798 median income
- 13417
New York Mills (13417)
$59,453 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.
| 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 |
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 13321, both outside NY so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (1,049 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Oneida County
Related Areas
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.
Related
Take this with you
What to do with ZIP 13321's numbers, next.
- See how ZIP 13321 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Clark Mills, NY ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.