Buffalo, IL · standard
ZIP Code 62515
Sangamon County, Illinois - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 961
- 6/sq mi Low-density area
- $62,222
- Median income Near-median income area
- $143,700
- Median home value Below-median home value
- 32.9%
- Bachelor's or higher Above-average bachelor's attainment
National ZIP placement
Buffalo pairs a below-median household income with among the most affordable home values nationally, in a rural, homeowner-dominated area.
- 33rd pct
- household income, US ZIPs
- 24th pct
- home value, US ZIPs
- 6
- people per sq mi
- 80%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 62515 against every reporting US ZIP.
ZIP code 62515 is a sparsely populated ZIP (a standard USPS delivery area) in Buffalo, Sangamon County, Illinois, home to just 961 residents across 165.7 square miles, a density of 6 people per square mile, in the Chicago time zone.
ZIP 62515 reports a modest median household income of $62,222 (22% below the average Illinois ZIP), while per-capita income is $37,636. The poverty rate is 19.0%, with unemployment at 3.5%; those measures add context to the income figure. Home values sit below the statewide ZIP benchmark: the median is $143,700 (25% below the average Illinois ZIP), and median rent is $636; owner occupancy is 79.9%.
A solid share of residents have a four-year degree: 32.9% of adults hold a bachelor's degree or higher, the median age is 56.8, and the average commute is -. The page also surfaces 10 ZIP codes within roughly 10 miles and 6 more in Sangamon County, so 62515 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 62515, Buffalo, 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
961
Population
165.7
Area (sq mi)
6
People / sq mi
Chicago
Time Zone
standard
ZIP Type
Who lives in ZIP 62515?
56.8
Median Age
47.2%
Male
52.8%
Female
3.5%
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?
$62,222
Median Household Income
-22% vs state ZIP avg
$37,636
Per Capita Income
19.0%
Poverty Rate
3.5%
Unemployment Rate
How ZIP 62515 ranks among Illinois ZIPs
Buffalo, 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)
$62,222 27th percentile higher than 27% 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
420housing units
420
Total Housing Units
398
Occupied Units
22
Vacant Units
2.27
Avg Household Size
Occupancy Type
$143,700
Median Home Value
-25% vs state ZIP avg
$636
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 15 business establishments in ZIP 62515, employing approximately 73 people with a combined annual payroll of $3,327,000.
15
Businesses
73
Employees
$3.3M
Annual Payroll
1
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Construction | 4 | 26.7% |
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 62515 vs 62519 →
ZIP 62515 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 62563
Rochester (62563)
5,686 residents
- 62561
Riverton (62561)
5,315 residents
- 62548 2,258
Mount Pulaski (62548)
2,258 residents
- 62693 1,638
Williamsville (62693)
1,638 residents
- 62520 1,529
Dawson (62520)
1,529 residents
- 62539 1,358
Illiopolis (62539)
1,358 residents
- 62545 1,246
Mechanicsburg (62545)
1,246 residents
- 62515 961
Buffalo (62515)
961 residents
- 62547 804
Mount Auburn (62547)
804 residents
What this shows Among its immediate neighbors, ZIP 62515 ranks #8 by population - useful context the national average alone can't give.
ZIP 62515 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 62693
Williamsville (62693)
$121,429 median income
- 62563
Rochester (62563)
$117,255 median income
- 62545
Mechanicsburg (62545)
$84,815 median income
- 62520
Dawson (62520)
$84,500 median income
- 62539
Illiopolis (62539)
$82,750 median income
- 62561
Riverton (62561)
$81,646 median income
- 62548
Mount Pulaski (62548)
$73,312 median income
- 62515
Buffalo (62515)
$62,222 median income
- 62547
Mount Auburn (62547)
$59,750 median income
What this shows By household income, ZIP 62515 ranks #8 of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 62519 | Cornland, IL | 94 | 5.0 mi |
| 62545 | Mechanicsburg, IL | 1,246 | 6.7 mi |
| 62520 | Dawson, IL | 1,529 | 5.1 mi |
| 62541 | Lake Fork, IL | 57 | 7.5 mi |
| 62539 | Illiopolis, IL | 1,358 | 6.7 mi |
| 62561 | Riverton, IL | 5,315 | 7.0 mi |
| 62548 | Mount Pulaski, IL | 2,258 | 9.7 mi |
| 62547 | Mount Auburn, IL | 804 | 9.2 mi |
| 62693 | Williamsville, IL | 1,638 | 10.2 mi |
| 62563 | Rochester, IL | 5,686 | 11.9 mi |
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 62515, both outside IL so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Sangamon County
Related Areas
Frequently Asked Questions
What county is ZIP code 62515 in?
ZIP code 62515 (Buffalo) is located in Sangamon County, Illinois. Sangamon County contains multiple ZIP codes, see the full list at /counties/sangamon-il.
What is the population of ZIP code 62515?
ZIP code 62515 in Buffalo, IL has a population of 961 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 62515?
The median household income in ZIP 62515 is $62,222, which is 18% below the national average of $76,288.
What is the average home value in ZIP 62515?
The median home value in ZIP 62515 is $143,700, which is 48% below the national average of $278,155.
What is the demographic makeup of ZIP 62515?
The largest racial group in ZIP 62515 is White at 93.1%. Hispanic or Latino residents make up 0.8% of the population.
How many businesses are in ZIP code 62515?
ZIP code 62515 has 15 business establishments employing approximately 73 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What is the education level in ZIP code 62515?
In ZIP code 62515, 61.7% of residents aged 25+ have a high school diploma or higher, and 32.9% 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 62515?
In ZIP code 62515, approximately 79.9% of occupied housing units are owner-occupied and 20.1% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 62515?
The poverty rate in ZIP code 62515 is 19.0% 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 62515's numbers, next.
- See how ZIP 62515 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Buffalo, 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.