American flag on I voted today stickers, patriotic motive during the elections of the American president.

Voters across Colorado will decide two statewide measures in the election that ends Tuesday, and many of them will also elect municipal and school board officials, as well as vote on a range of local ballot questions ranging from taxes and debt to marijuana and broadband.

The state's 3.94 million active registered voters have until 7 p.m. Tuesday to return them to county election officials.

The two statewide measures — propositions CC and DD — were both referred to the ballot by the legislature.

Proposition CC asks voters whether the state can keep tax revenue that would otherwise be returned to Colorado residents and businesses under the Taxpayer's Bill of Rights, with any surplus funds earmarked equally between K-12 schools, higher education and transportation.

Read all about Prop CC in Colorado Politics' Oct. 12 print edition, and check out Joey Bunch's story about the debate surrounding CC here.

Proposition DD would allow sports betting in Colorado and impose a 10% tax to fund Colorado water projects.

For more on Prop DD, turn to the Aug. 31 Colorado Politics print edition or find our coverage online.

Coloradans will also be electing mayors and members of city councils and town boards, as well as school district directors, in many localities across the state. In addition, dozens of counties, municipalities and local districts will be asking voters to decide issues.

In Aurora, former U.S. Rep. Mike Coffman, a Republican who lost his seat in Congress last year, is facing off against local NAACP president Omar Montgomery, a Democrat, in the six-candidate nonpartisan race. Also vying for the top office in the state's third-largest city is former Aurora Councilman Ryan Frazier, who has changed his registration from Republican to unaffiliated after several unsuccessful high-profile campaigns.

Voters in Lakewood, the state's fourth-largest city, will decide whether to give Mayor Adam Paul another term or replace him with Ramey Johnson, a council member and former Republican legislator in the wake of voter-approved limits on growth, spurring concern over housing prices and availability in the suburb.

Mayors and other municipal officials will be on the ballot elsewhere across Colorado, including in Thornton, where former state Sen. Beth Martinez Humenik, R-Thornton, is running for mayor, and Centennial, where control of the city council is up for grabs between pro- and anti-growth candidates. The town of Elizabeth in exurban Elbert County, meanwhile, is facing a city council recall election over growth issues.

In school board elections, Denver Public Schools could see reform-oriented directors lose the majority they've had on the board, and voters in both Douglas County and Jefferson County will decide whether more traditional or more conservative board members hold sway in districts that have been ground zero for battles over education policy in recent years.

In local ballot measures, numerous municipalities are considering whether to establish or extend general sales taxes, including Colorado Springs, Loveland, Longmont, Trinidad, Monte Vista, Alamosa, Fountain, Manitou Springs, Fort Lupton and Montrose, according to data collected by the Colorado Municipal League.

Municipalities asking residents to approve tobacco tax questions include Crested Butte, Glenwood Springs, New Castle and Vail, and Boulder voters will decide whether to OK a tax on tobacco vaping products.

Mountain View, Mount Crested Butte and Telluride are asking voters to create taxes on short-term rentals, with the latter two authorizing debt funded by the tax to pay for affordable housing.

Local governments that are offering "de-Brucing" measures — to lift limits on revenue they can keep under TABOR — include Jefferson County, Colorado Springs, Aspen, Louisville and Manitou Springs.

The state's three gambling towns — Black Hawk, Central City and Cripple Creek — are each asking voters whether to authorize sports betting provided that Prop DD passes.

Mead, Center, Loveland and Craig voters will decide whether to allow marijuana sales, and Louisville is asking voters whether to allow retail marijuana to be grown in the city's industrial zones. Craig, Las Animas and Loveland have marijuana taxes on the ballot. An initiative in Alamosa would ban outdoor cultivation of marijuana for personal use.

Municipal broadband services are on the ballot in Edgewater, Greenwood Village, Lakewood, Mead, Parker and Rico.

Denver is among the cities whose voters will consider charter amendments, including whether to create a city department of transportation and infrastructure and whether to tighten residency requirements for elected officials.

Among the dozens of other local questions on ballots across the state, Holyoke wants to move its town elections to November of even-numbered years, while Craig wants to move its to November of odd-numbered years. Meeker is asking voters whether the town should continue fluoridating its water supply.

The Colorado Secretary of State's site allows residents to find out where to drop ballots or vote in person, track their ballots through the system, and find answers to many questions.

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