Residential delivery area · Illinois
ZIP Code 62277: Prairie Du Rocher, IL
ZIP code 62277 uses the postal name Prairie Du Rocher, Illinois and lies mostly in Randolph County (61% of its land) with the rest in Monroe County (Census 2020 ZIP-county file). About 940 people live there (Census Bureau, ACS 2020-2024). Median household income is $67,969 (Census Bureau, ACS 2020-2024). By Census place, under 1% of its land lies in Prairie du Rocher; more than 99% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Prairie Du Rocher · its only residential ZIP
- County
- Randolph County (61%); Monroe County (39%)
- Census places
- Prairie du Rocher
- House district
- IL-12 119th Congress
- State
- Illinois
- Time zone
- Central
- Land area
- 65.4 sq mi · 14 people per sq mi
Where is ZIP code 62277?
62277 centers on 38.097°, -90.112° and covers 65.4 square miles of land plus 2.6 of water. It borders 8 ZIP codes: 62279, 62244, 63627, 62261, 62242, 62278, 63670, 62295.
The map draws ZIP code areas only. For the streets inside 62277, 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 62277 compare with the rest of Randolph County?
| Measure | 62277 | In Randolph County | In IL |
|---|---|---|---|
| People (ACS 2020-2024) | 940 | 10th of 17 | 936th of 1,396 |
| Median household income | $68k | not ranked | not ranked |
| Median home value | $128k | not ranked | not ranked |
62277's income and home value are not ranked: it has fewer than 1,000 residents (940). 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 21% 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 62277?
The 2020 Census counted 1,113 people in 62277; the ACS, which samples households over 2020-2024, estimates 940. Between the 2010 and 2020 censuses its population fell 15.3% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 940±184 (90% margin)
- 2020 Census count
- 1,113−15.3% since 2010 (1,314)
- Households
- 424
- Median age
- 46.7
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 62277?
Of the 940 people the ACS estimates in 62277, 18.1% are under 18 and 26.0% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (93.8%).
- Under 1818.1%
- 18 to 6456.0%
- 65 and older26.0%
- White, not Hispanic93.8%
- Hispanic or Latino3.8%
- Other or two or more2.1%
- Black, not Hispanic0.2%
- Asian, 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 62277 earn?
Median household income is $67,969 (ACS 2020-2024). It is not measurably different from 2015-2019 ($69,693 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $67,969±$10,146
- Income per person
- $37,947
- Below the poverty line
- 5.4%
- Unemployed (of the labor force)
- 1.4%
- Adults 25+ with a bachelor's degree
- 6.9%
- Adjusted gross income per tax return, 2022
- $63,900590 returns; wages 67% 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 62277?
- Median home value (owners' estimate)
- $128,100
- Median gross rent
- $733
- Homes owned by their occupants
- 84.2%
- Housing units
- 521
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 62277?
15 business establishments had a location in this ZIP code in 2023, the same count as in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction5
- Accommodation and food services3
- Other services (except public administration)3
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 62277?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 62279 | Renault | 112 | $139k | 2.9 mi |
| 62244 | Fults | 928 | $108k | 8.3 mi |
| 63627 | Bloomsdale, MO | 2,787 | $88k | 8.6 mi |
| 62261 | Modoc | 80 | – | 8.8 mi |
| 62242 | Evansville | 1,660 | $60k | 9.5 mi |
| 62278 | Red Bud | 6,281 | $80k | 9.9 mi |
| 63670 | Sainte Genevieve, MO | 12,293 | $63k | 13.6 mi |
| 62295 | Valmeyer | 1,459 | $88k | 16.2 mi |
| 62256 | Maeystown | 35 | $126k | 11.0 mi (near) |
| 62241 | Ellis Grove | 879 | $83k | 13.3 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.