62427 ZIP Code, Flat Rock, IL
62427 is a ZIP code in Flat Rock, Illinois — mostly in Crawford County (76% of its land), with smaller parts in Lawrence County. It covers 84 square miles of land. The closest ZIP codes are 62451, 62439 and 62454. 1,730 people live here in 751 households. It is rural, with fewer than 100 people per square mile, and most homes are owner-occupied (94%). Median household income is $81,250, close to the Illinois median of $83,390.
Quick facts
- Mailing city: Flat Rock, IL
- County: Crawford County
- Land area: 84 sq mi
- Population: 1,730
- Median household income: $81,250
Key figures
| Measure | Value |
|---|---|
| Residents | 1,730 |
| Households | 751 |
| Median household income | $81,250 |
| Income per person | $39,000 |
| Median age | 43.8 |
| Homeowners | 94.3% |
| Median home value | $160,700 |
| Median rent | not published |
| Bachelor's degree or higher | 8.6% |
| Average commute (minutes) | 33.9 |
| Households with kids under 18 | 29.0% |
| Moved in the past year | 2.3% |
| Below the poverty line | 6.1% |
| Broadband internet | 84.8% |
| Speak a non-English language at home | 2.6% |
Household income
| % of households | Value |
|---|---|
| <$10K | 2.4% |
| $10–15K | 3.7% |
| $15–25K | 3.3% |
| $25–35K | 11.9% |
| $35–50K | 14.2% |
| $50–75K | 10.5% |
| $75–100K | 11.1% |
| $100–150K | 26.1% |
| $150–200K | 15.0% |
| $200K+ | 1.7% |
Age
| % of all residents | Value |
|---|---|
| <10 | 15.4% |
| 10–19 | 9.7% |
| 20–24 | 4.7% |
| 25–34 | 9.6% |
| 35–44 | 11.5% |
| 45–54 | 6.5% |
| 55–64 | 17.8% |
| 65–74 | 11.4% |
| 75+ | 13.3% |
Tenure
| % of housing units | Value |
|---|---|
| Owned, with mortgage | 41.7% |
| Owned outright | 47.1% |
| Rented | 5.4% |
| Vacant | 5.8% |
Type of building
| % of housing units | Value |
|---|---|
| Detached house | 83.2% |
| Townhome | 1.4% |
| 2–4 units | 0.0% |
| 5–19 units | 0.0% |
| 20+ units | 0.0% |
| Mobile / other | 15.4% |
Businesses in 62427
21 business establishments with 88 employees (ZIP Codes Business Patterns 2023).
- Mining, Quarrying, and Oil and Gas Extraction: 5
- Other Services (except Public Administration): 5
- Manufacturing: 3
EDDM carrier routes
See every USPS carrier route in 62427 with residential and business mailbox counts on the route map. Open the EDDM route map.
Nearby ZIP codes
- 62451 — Palestine village, IL (7.1 mi)
- 62439 — Lawrenceville city, IL (8.9 mi)
- 62454 — Robinson city, IL (10.3 mi)
- 47561 — Emison CDP, IN (11.4 mi)
- 62464 — Stoy village, IL (12.7 mi)
- 62417 — Bridgeport city, IL (13.3 mi)
- 47516 — Emison CDP, IN (14.3 mi)
- 47861 — Merom town, IN (14.5 mi)
Areas that include 62427
- Flat Rock, IL ZIP codes — 1 ZIP code
- Crawford County ZIP codes — 8 ZIP codes
- Lawrence County ZIP codes — 5 ZIP codes
- Illinois ZIP code data
Where it ranks
- No. 1 of 5: highest median household income in Crawford County
- No. 1 of 5: highest median home value in Crawford County
- No. 1 of 5: highest share of owner-occupied homes in Crawford County
- No. 3 of 5: highest share of households with children in Crawford County
- No. 5 of 5: highest share of residents who moved in during the past year in Crawford County
- No. 3 of 5: lowest median age in Crawford County
- No. 3 of 5: highest median age in Crawford County
Mail every home in 62427
Route counts on this page price as Full Service 6.5 × 9 postcards: we print, bundle by carrier route and hand the mailing to USPS. Prefer to take it to the Post Office yourself? Print only costs less and you pay postage at drop-off.
EDDM guides
ZIP code statistics describe the Census ZIP Code Tabulation Area (ZCTA) 62427, which approximates the USPS ZIP code area. Census figures: American Community Survey 5-year estimates, 2020–2024.
Frequently asked questions
- What city is 62427 in?
- 62427 is a Flat Rock, IL mailing address. By land area, 1% lies inside Flat Rock; the rest is outside any Census-defined city or community.
- What county is 62427 in?
- 62427 is mostly in Crawford County (76% of its land), with smaller parts in Lawrence County.
- What is the population of 62427?
- About 1,730 people (±311), according to the Census Bureau's American Community Survey 5-year estimates for 2020–2024. The 2020 Census counted 1,582.
- What is the median household income in 62427?
- $81,250 (±$24,030), compared with $83,390 for Illinois as a whole. Half the households in the ZIP code earn more and half earn less.
- How many carrier routes and mailboxes are in 62427?
- EDDM2GO's stored route library does not include 62427 yet. The EDDM route map loads its carrier routes and mailbox counts when you search the ZIP code.
- What ZIP codes are near 62427?
- The closest, measured center to center: 62451 (7.1 mi, Palestine), 62439 (8.9 mi, Lawrenceville), 62454 (10.3 mi, Robinson), 47561 (11.4 mi, Emison), 62464 (12.7 mi, Stoy) and 62417 (13.3 mi, Bridgeport).
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.