Flagg Township, Illinois
Township in Ogle County, Illinois · ZIP 61068
- Ogle County
- Census data · ACS 2019-2023
- 6 public schools
- 13,343 (2024 estimate)Population
- 5,285Households
- $70,924Median household income
- $161,900Median home value
- 6Public schools
- 1ZIP codes
About Flagg Township
This page shows only what has been published about Flagg Township: Census facts with their sources first, then its businesses, jobs, events, people in public roles, housing and questions as they are added. Nothing here is written by the town government.
Town intelligenceOfficial sources, refreshed yearly
| Census | Population |
|---|---|
| 2000 | 13,276 |
| 2010 | 13,562 |
| 2020 | 13,296 |
As counted at each census, within the boundaries the area had then; the current estimate is in the glance card.
Sources: Census 2000 Summary File 1: total population, county subdivision level, state 17, retrieved November 14, 2026; Census 2010 Summary File 1: total population, county subdivision level, state 17, retrieved November 14, 2026; Census 2020 Redistricting Data (P.L. 94-171): total population, county subdivision level, state 17, retrieved November 14, 2026.
Median household income $70,924 · Share of households by income, American Community Survey 5-year 2019-2023, table S1901.
Source: American Community Survey 5-year subject table S1901 (household income) 2019–2023, county subdivision level, state 17, retrieved November 14, 2026.
- Owner occupied
- 3,237 units
- Renter occupied
- 2,048 units
- Vacancy rate
- 5.4%
Occupied housing units by tenure and the share of all units vacant, American Community Survey 5-year 2019-2023, table DP04.
Source: American Community Survey 5-year data profile 2019–2023, county subdivision level, state 17, retrieved November 14, 2026.
| Measure | Flagg Township | Ogle County | Illinois |
|---|---|---|---|
| Population | 13,240 | 51,536 | 12,692,653 |
| Median household income | $70,924 | $79,244 | $81,702 |
| Median age | 37.3 | 42.0 | 38.9 |
| Median home value | $161,900 | $184,100 | $250,500 |
| Bachelor’s degree or higher | 19.7% | 24.0% | 37.2% |
| Foreign-born residents | 9.1% | 4.5% | 14.4% |
| Owner-occupied homes | 61.2% | 74.5% | 66.8% |
| Mean commute to work | 23.3 minutes | 26.8 minutes | 28.1 minutes |
Source: American Community Survey 5-year data profile 2019–2023, county subdivision level, state 17, retrieved November 14, 2026.
CommunityRules and moderation
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Events in Flagg TownshipAll events
No upcoming event is listed in Flagg Township yet. Members and businesses add events from the Events page; each is screened before it shows.
Schools
| School | Type | Grades | District |
|---|---|---|---|
| Central Elem School | Public | 2–3 | Rochelle CCSD 231 |
| Lincoln Elem School | Public | Pre-K–1 | Rochelle CCSD 231 |
| Tilton Elem School | Public | 4–5 | Rochelle CCSD 231 |
| Rochelle Middle School | Public | 6–8 | Rochelle CCSD 231 |
| Rochelle Focus House | Alternative | 9–12 | Rochelle Twp HSD 212 |
| Rochelle Twp High School | Public | 9–12 | Rochelle Twp HSD 212 |
Open public schools in the NCES directory for 2023–2024, placed by their listed location; private schools are not in the source. Enrollment and ratings are not shown.
Sources: NCES Common Core of Data, public school directory 2023–2024, retrieved November 14, 2026; NCES EDGE public school geocodes 2024–2025, retrieved November 14, 2026.
Legislative districts
| Chamber | District |
|---|---|
| U.S. House of Representatives | Congressional District 16 (IL-16) |
| State legislature, lower chamber | State House District 74 |
| State legislature, upper chamber | State Senate District 37 |
Boundaries from the Census Bureau’s TIGER/Line district files, matched to Flagg Township’s own boundary. Who holds each seat appears on the People page once the official records are approved.
Sources: Census cartographic boundaries 2025: congressional districts, 119th Congress, retrieved November 14, 2026; Census cartographic boundaries 2025: state legislative districts, upper chamber, state 17, retrieved November 14, 2026; Census cartographic boundaries 2025: state legislative districts, lower chamber, state 17, retrieved November 14, 2026.
Frequently asked about Flagg TownshipPromoted from questions people asked
No question about Flagg Township has been asked often enough to publish an answer yet. Ask Flagg Township and the answer, once a person checks it, appears here.
Places in Flagg Township
- RochelleCity
Nearby towns
- RochelleCity
- HillcrestVillage
- KingsCensus designated place
- White Rock TownshipTownship
- Lafayette TownshipTownship
- Pine Rock TownshipTownship
- Reynolds TownshipTownship
- Dement TownshipTownship
- AshtonVillage
- CrestonVillage
Other towns in Ogle County
- AdelineVillage
- BaileyvilleCensus designated place
- Brookville TownshipTownship
- Buffalo TownshipTownship
- ByronCity
- Byron TownshipTownship
- CrestonVillage
- Davis JunctionVillage
- Dement TownshipTownship
- Eagle Point TownshipTownship