Mendon, IL · standard
ZIP Code 62351
Adams County, Illinois - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 1,856
- 10/sq mi Low-density area
- $77,298
- Median income Near-median income area
- $147,800
- Median home value Below-median home value
- 20.4%
- Bachelor's or higher Near-average bachelor's attainment
National ZIP placement
Mendon pairs an above-median household income with below-median home values, in a rural, homeowner-dominated area.
- Top 42%
- household income, US ZIPs
- 25th pct
- home value, US ZIPs
- 10
- people per sq mi
- 87%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 62351 against every reporting US ZIP.
ZIP code 62351 covers 191.3 square miles in Mendon, Adams County, Illinois (a standard USPS delivery area), with a modest 1,856 residents on file, a density of 10 people per square mile, in the Chicago time zone.
ZIP 62351 lands in the middle-income range, with a median household income of $77,298 (3% below the average Illinois ZIP), while per-capita income is $37,871. The poverty rate is 9.7%, with unemployment at 3.4%; those measures add context to the income figure. Home values sit below the statewide ZIP benchmark: the median is $147,800 (23% below the average Illinois ZIP), and median rent is $667; owner occupancy is 86.6%.
Educational attainment sits below the national norm: 20.4% of adults hold a bachelor's degree or higher, the median age is 39.9, and the average commute is -. The page also surfaces 7 ZIP codes within roughly 10 miles and 6 more in Adams County, so 62351 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 →
Top industries in ZIP 62351
Top 5 sectors by establishment count in Mendon, IL
Which industries have the most business establishments in ZIP 62351.
- Other services (except public administration)
Other services (except public administration)
8 establishments
- Construction
Construction
6 establishments
- Retail trade
Retail trade
6 establishments
- Wholesale trade 3
Wholesale trade
3 establishments
- Finance and insurance 3
Finance and insurance
3 establishments
What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.
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 62351, Mendon, IL · 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
1,856
Population
191.3
Area (sq mi)
10
People / sq mi
Chicago
Time Zone
standard
ZIP Type
Who lives in ZIP 62351?
39.9
Median Age
48.5%
Male
51.5%
Female
0.1%
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?
$77,298
Median Household Income
-3% vs state ZIP avg
$37,871
Per Capita Income
9.7%
Poverty Rate
3.4%
Unemployment Rate
How ZIP 62351 ranks among Illinois ZIPs
Mendon, IL household income vs. every Illinois ZIP code
Median household income among 1,334 reporting Illinois ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$77,298 Top 47% higher than 53% of 1,334 Illinois ZIPs
Each bar is a $20K-wide band; taller bars hold more Illinois 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
823housing units
823
Total Housing Units
759
Occupied Units
64
Vacant Units
2.49
Avg Household Size
Occupancy Type
$147,800
Median Home Value
-23% vs state ZIP avg
$667
Median Rent
1970
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What businesses operate in this ZIP?
Census Bureau data shows 35 business establishments in ZIP 62351, employing approximately 204 people with a combined annual payroll of $9,202,000.
35
Businesses
204
Employees
$9.2M
Annual Payroll
6
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Other services (except public administration) | 8 | 22.9% |
| Construction | 6 | 17.1% |
| Retail trade | 6 | 17.1% |
| Wholesale trade | 3 | 8.6% |
| Finance and insurance | 3 | 8.6% |
| Accommodation and food services | 3 | 8.6% |
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 62351 vs 62349 →
ZIP 62351 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 62351
Mendon (62351)
1,856 residents
- 62338
Fowler (62338)
1,473 residents
- 62349 636
Loraine (62349)
636 residents
- 62325 403
Coatsburg (62325)
403 residents
- 62380 401
West Point (62380)
401 residents
- 62373 300
Sutter (62373)
300 residents
- 62348 170
Lima (62348)
170 residents
- 62359 166
Paloma (62359)
166 residents
What this shows Among its immediate neighbors, ZIP 62351 ranks the most populous - useful context the national average alone can't give.
ZIP 62351 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 62373
Sutter (62373)
$110,568 median income
- 62338
Fowler (62338)
$91,473 median income
- 62348
Lima (62348)
$77,969 median income
- 62351
Mendon (62351)
$77,298 median income
- 62325
Coatsburg (62325)
$75,469 median income
- 62380
West Point (62380)
$75,000 median income
- 62349
Loraine (62349)
$67,981 median income
- 62359
Paloma (62359)
$51,413 median income
What this shows By household income, ZIP 62351 ranks #4 of 8 neighboring ZIPs, local affluence varies block to block, not just metro to metro.
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 62351, both outside IL so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (1,856 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Adams County
Related Areas
Frequently Asked Questions
What county is ZIP code 62351 in?
ZIP code 62351 (Mendon) is located in Adams County, Illinois. Adams County contains multiple ZIP codes, see the full list at /counties/adams-il.
What is the population of ZIP code 62351?
ZIP code 62351 in Mendon, IL has a population of 1,856 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 62351?
The median household income in ZIP 62351 is $77,298, which is 1% above the national average of $76,288.
What is the average home value in ZIP 62351?
The median home value in ZIP 62351 is $147,800, which is 47% below the national average of $278,155.
What is the demographic makeup of ZIP 62351?
The largest racial group in ZIP 62351 is White at 97.7%. Hispanic or Latino residents make up 0.6% of the population.
How many businesses are in ZIP code 62351?
ZIP code 62351 has 35 business establishments employing approximately 204 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 62351?
The top industries by establishment count in ZIP 62351 are: Other services (except public administration) (8), Construction (6), Retail trade (6). There are 6 industry sectors represented in total.
What is the education level in ZIP code 62351?
In ZIP code 62351, 59.3% of residents aged 25+ have a high school diploma or higher, and 20.4% 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 62351?
In ZIP code 62351, approximately 86.6% of occupied housing units are owner-occupied and 13.4% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 62351?
The poverty rate in ZIP code 62351 is 9.7% 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 62351's numbers, next.
- See how ZIP 62351 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Mendon, IL 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.