Residential delivery area · Illinois
ZIP Code 62515: Buffalo, IL
ZIP code 62515 uses the postal name Buffalo, Illinois and lies entirely in Sangamon County (Census 2020 ZIP-county file). About 900 people live there (Census Bureau, ACS 2020-2024). Median household income is $62,222 (Census Bureau, ACS 2020-2024). By Census place, under 1% of its land lies in Buffalo; more than 99% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2022
- ZBP2023
- IRS2022
- Town
- Buffalo · its only residential ZIP
- County
- Sangamon County
- Census places
- Buffalo
- Metro area
- Springfield, IL
- House districts
- IL-13 (74%), IL-15 (26%) 119th Congress, by share of land
- State
- Illinois
- Time zone
- Central
- Land area
- 57.4 sq mi · 16 people per sq mi
Where is ZIP code 62515?
62515 centers on 39.860°, -89.366° and covers 57.4 square miles of land plus 0.0 of water. It borders 8 ZIP codes: 62519, 62520, 62539, 62545, 62561, 62547, 62548, 62693.
The map draws ZIP code areas only. For the streets inside 62515, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 62515 compare with the rest of Sangamon County?
| Measure | 62515 | In Sangamon County | In IL |
|---|---|---|---|
| People (ACS 2020-2024) | 902 | 28th of 30 | 949th of 1,396 |
| Median household income | $62k | not ranked | not ranked |
| Median home value | $144k | not ranked | not ranked |
62515's income and home value are not ranked: it has fewer than 1,000 residents (902). Rankings use ZIP codes of 1,000 or more people living in households, with margins at most 25% of the figure.
It is denser than 22% of U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 62515?
The 2020 Census counted 909 people in 62515; the ACS, which samples households over 2020-2024, estimates 902. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 902±207 (90% margin)
- 2020 Census count
- 909
- Households
- 398
- Median age
- 56.8
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 62515?
Of the 902 people the ACS estimates in 62515, 14.9% are under 18 and 36.9% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (93.1%).
- Under 1814.9%
- 18 to 6448.2%
- 65 and older36.9%
- White, not Hispanic93.1%
- Other or two or more6.0%
- Hispanic or Latino0.8%
- Asian, not Hispanic0.1%
- Black, not Hispanic0.0%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 62515 earn?
Median household income is $62,222 (ACS 2020-2024).
- Median household income
- $62,222±$23,675
- Income per person
- $37,636
- Below the poverty line
- 19.0%
- Unemployed (of the labor force)
- 3.5%
- Adults 25+ with a bachelor's degree
- 32.9%
- Adjusted gross income per tax return, 2022
- $83,288400 returns; wages 56% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 62515?
- Median home value (owners' estimate)
- $143,700
- Median gross rent
- $636
- Homes owned by their occupants
- 79.9%
- Housing units
- 420
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 62515?
15 business establishments had a location in this ZIP code in 2023, 1 more than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction4
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 62515?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 62519 | Cornland | 24 | – | 5.0 mi |
| 62520 | Dawson | 1,652 | $85k | 5.4 mi |
| 62539 | Illiopolis | 1,412 | $83k | 6.2 mi |
| 62545 | Mechanicsburg | 1,101 | $85k | 6.5 mi |
| 62561 | Riverton | 4,842 | $82k | 7.5 mi |
| 62547 | Mount Auburn | 574 | $60k | 9.0 mi |
| 62548 | Mount Pulaski | 2,090 | $73k | 9.4 mi |
| 62693 | Williamsville | 1,677 | $121k | 10.4 mi |
| 62541 | Lake Fork | 54 | – | 6.7 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.